Weight Calculation of Pipe Elbows The weight of 90D Elbow Long Radius(ASME B16. Criteria for. (CR-TX-23355) • Updated PV Elite to add Circumferential Bolt Spacing quick result to the Basering Dialog. Where such simplification is not possible, as in the case of a plate girder, the total moment is divided between the flange and the web in accordance with the stress distribution. calculation with the tables will be the maximum distance between the sag rods. ASTM specifications for weld fittings and flanges. Design of Clamp Coupling is similar to the design of muff coupling and an additional calculation is required for designing the bolts. • Center valve body within flange with bolts hand-tightened only. The basic design satisfying the above design requirements was developed during Phase II. INSULATION OF PIPING & EQUIPMENT (PROJECT STANDARDS AND SPECIFICATIONS) Page 4 of 31 Rev: 01 April 2011 walkways, etc. In this case no calculations are required to find the flange dimensions, only go to ASME B16. Pressure vessels require flanged joints to permit their disassembly, in-spection and cleaning. The force trying to separate the flange was computed to be 58. In this article, we only see about the Gaskets - Basics, Types, Working Principle, Calculation of bolt load. , Special fittings can be made available upon request. 1 Effective Throat 2. 75” to 8” I. 5 flanged joints: ASME Part A design rules}, author = {Rodabaugh, E. …In this case here you can see I have a basic…U-shape piece of sheet metal. When the design process differs between LRFD and ASD, the designs equations are presented side-by-side. 5 d Flat width of the web 5. Flanges for extremely high pressure applications. Unlisted components can have pressure ratings but the owner and/or the designer has the responsibility to verify that the design, materials, fabrication, examination, and testing of the component meet the requirements of ASME B31. Pressure Vessel Design Calculations Handbook This pressure vessel design reference book is prepared for the purpose of making formulas, technical data, design and construction methods readily available for the designer, detailer, layoutmen and others dealing with pressure vessels. - For a rectangular section, f is equal to 1. There are, however, certain cases of pressure vessels or pressure ducts when a rectangular or other non-circular shape is required, be it for space reasons (cyclone inlets), or for process reasons (pulp chutes and feeders, etc. Sitting in a chair that causes you to slouch may result in muscle cramping and back pain. In fact, any data table oriented calculation procedure may. CAUTION: 2-1/16" 3M and 2-1/16" 5M flanges have identical dimensions. Design of prestressed concrete beams is based upon two distinct concepts which lead to two design methods known as service load de-sign or working stress design, and ultimate design. Box 9106 • Norwood, MA 02062-9106, U. …If I jump over to the sheet metal tool bar,…I'm gonna go ahead and choose…this base flange tab tool. GRADE WPA WPB SYMBOL (Grade A) (Grade B) GRADE I II I II SYMBOL TYPE OF Carbon Carbon TYPE STEEL OF CHEMICAL STEEL COMPOSITION C-0. 1 INTRODUCTION Ring flanges are used in standard connections in tubular structures, especially in towers for wind energy converters (WEC). The set up is similar to that used in blanking. The force trying to separate the flange was computed to be 58. The Nozzle Calculation report reflects these loads in the report. flange at each end point of the brace. pdf), Text File (. The following note discusses the standard formula for the shear flow between web and flanges of a doubly symmetric beam which is used for weld design and gives the background to the formula in Eurocode 3 Part 51. The force trying to separate the flange was computed to be 58. Bolted joints are also utilized to alleviate stresses at sections where sharp temperature changes occur, such as the joint between tubeside and shellside chambers in a heat exchanger (Fig. @article{osti_7246900, title = {Evaluation of the bolting and flanges of ANSI B16. strength requirements. • The adjacent table addresses structure sizing when using concrete pipe for storm drains. FLANGE DESIGN The obround flange designed here is for the particular application in generator shell of vapour absorption chiller unit. PD CEN/TR 1591-5:2012 Flanges and their joints. com Page 7 of 20 Material and Structural Shapes The most common shape utilized for the design of monorails with under hung hoists is the S-shape. It summarizes the piping material requirements for pipe, fittings, flanges, valves, and all other piping components for each specific pipe class as. The design guidelines are based on results obtained by dynamic fatigue tests, the analysis of existing gasketed joints, experience, and the results of analytical and numerical calculations within Henkel2 to 28 and independent institutes1. The flanges are then built based on the larger of the two calculated values. Flange (As Req'd), w2 Ceil 5 8 ⋅tdp 1 16, in 1 4:= = ⋅in Stiffener Plate to Column Flange (As Req'd), w4 Ceil 3 4 ⋅tst 1 16, in := Stiffener Plate to Column Web (As Req'd), Bolt Tensile Strength, Λrnpl=44. flange synonyms, flange pronunciation, flange translation, English dictionary definition of flange. Most pressure vessel and pipe flanges are circular in cross section for the obvious favorable geometry of the cylindrical shape. It opens and closes automatically as required, to maintain a closely controlled blanket pressure. SKF can provide a portfolio of different calculation methods to optimize bearing selection for any kind of application. 35 and not greater than 0. Application Engineering Support. Beam Design and Deflections Notation: a = name for width dimension A = name for area Areq'd-adj = area required at allowable stress when shear is adjusted to include self weight A web = area of the web of a wide flange section b = width of a rectangle = total width of material at a horizontal section = name for height dimension c. More detailed explanations and examples can be found in my text. All Garlock expansion joint styles have been rigorously lab and field-tested, and engineered to ensure long life and reliable service. 8 Modern Flange Design, 5th Edition, Bulletin 502, Taylor. Services Chimney Sizing. VIII Welding : ASME Sec. 4 (wheel loads) 27 T. The S-shape sections have narrow flange widths but also thicker flanges compared to equivalent W-shape sections. See our page on Stud and Nut Sizes to determine the correct nut size. The seating and operating loads are design rules and should not be expected to predict actual flange stresses. The calculation of the liquid volume or wetted area of a partially filled vertical vessel is best performed in parts, by calculating the value for the cylindrical section of the vessel and the heads of the vessel and then adding the areas or volumes together. : VDI 2200, Tight flange connections - Selection, calculation, design and assembly of bolted flange connections, page 36, table 9, June 2007. Several types of joints can be appropriate for welded sheet metal design, among them: butt, corner, edge, lap and T-joints. 200,000 lbs, which meets the design loading associated with the FAA wheel loading. Condenser Design 1. equipment and other factors known to the Design Professional. Coefficient of thermal expansion (1. Tech Research Scholar, B. Q: Can PV Elite show recessed flange face instead of raised face flanges A: The raised face or recessed face does not make a difference in the flange calculation as long as the appropriate face/groove dimensions have been specified. (5): F = (π/4)D1 2P, (5) where: D1 = outside diameter of seal, 134 × 10-3 m. Calculation (British Standard) This European Standard defines a calculation method for bolted, gasketed, circular flange joints. rows of the holes in the flange plate. - All bolt holes are 1/8" larger than diameter of bolts. • Local specifications and design handbooks may include minimum requirements and design tables to assist in the sizing of manhole structures. Allowable Concrete Bearing Stress 7. Standard ASME B16. The load ratio calculation leads to the determination of the upper tightening boundary, above which one of the load ratios is unacceptable at one load condition. An I-beam, also known as H-beam (for universal column, UC), w-beam (for "wide flange"), universal beam (UB), rolled steel joist (RSJ), or double-T (especially in Polish, Bulgarian, Spanish, Italian and German), is a beam with an I or H-shaped cross-section. The paper includes design methods for design of the seal ring, flange and bolts in addition to assembly guidelines. Steel c channel or structural steel channel varies in sizes from 3 to 15 inches deep, see figure 34 below. Combined with the Generic 4D chart library, all the tools required are available to implement pressure piping calculations according to any design standard. The COMPRESS Flange Wizard is a tool that creates optimized Appendix 2 flange designs with minimal time and effort. When the design process differs between LRFD and ASD, the designs equations are presented side-by-side. There are two main types of bolted joint designs: tension joints and shear joints. Two spreadsheets showing the theoretical calculations are developed following the current AISC code and a non-linear analysis using the step-by-step method. calculation, tightness proof, assembly, bolt loads INTRODUCTION Bolted flange connections are in use in all technical areas, e. Heat transfer equipment in hot services, other than coolers and condensers, shall be completely insulated except for supporting members and flanges. • NEMA MG1 Description The flange-mounted motor in the /FC design is the design with the inch dimensions and threads in the flange. @article{osti_7246900, title = {Evaluation of the bolting and flanges of ANSI B16. 00 - March 14, 2017. ASME’s Boiler and Pressure Vessel Code (BPVC) | 2013 Pressure Vessels Division 2 requirements on materials, design, and nondestructive examination are more rigorous than in Division 1; however, higher design stress intensify values are permitted. Seal Design Seals are divided into three primary categories: Static Face or Flange, Static Radial type, and Dynamic Radial type. Created Date: 20100308171950Z. Based on dimensions of W-sections and methodology contained in the Steel Construction Manual, 14th edition, AISC (ASD method). The principal stress theory of failure states that failure occurs when one of the three principal stresses reaches the yield strength of the material. 4 (wheel loads) 27 T. Calculation method EN 1993 Euro code 3, Design of Steel Structures EN 13480 Industrial Metallic Piping EN 13445 Unfired Pressure Vessels EN-ISO-13628 Design and operation of Subsea Production Systems. equipment and other factors known to the Design Professional. FLANGE MATERIALS DATABASE A flange material is specified in accordance with ASME standards from a list of materials provided in the tool. Data Bolt Templates General Welding Information Conversions Drop Nipple and Tee-Let Installation Pipe Thread Standards GRUVLOK® INSTALLATION AND ASSEMBLY Figures 7000 & 7001 Couplings 1. Fast Easy and Accurate beyond what you can do on a calculator. The keys staggered at right angle along the circumference of the shafts in order to divide the by keyways. the calculation with the bore, plug and groove diameter as stated below. strength requirements. Check & Lubricate. to - EN 1591-1:2011, - EN 1591-1:2014, - ASME VIII, Div. ANSI Flanges Tel: 886-4-23112576 Fax: 886-4-23112578 E-mail: [email protected] Mechanical Power Transmission (Hub Design) Hubs are used to transmit mechanical power from a drive motor by coupling it to an output device such as a wheel or an arm. Design nozzles for: Design P only Corrosion weight loss: 100% of theoretical loss UG-23 Stress Increase: 1. c) Determine maximum working pressure of a flange when given the design temperature, flange material and flange class. Structural Design Corporation 1133 Claridge Dr. Coefficient of thermal expansion (1. Criteria for. 1 must pass through the fillet welds of the connected end plate, the end plate in bending, the bolts in tension, the column flange in bending, the column web in. Flanges are primarily used where a. This our First video on CVT design, here we will design Primary flange face 1. Assume the beam will support a plaster ceiling. Typical tools used for drawing are shown. The design requirements for a gasket joint in a screened enclosure are primarily that there must be good conductivity between opposing flanges through the gasket. Products & Services. This can also be used for the column calculations to find what point load will cause the columns to buckle. Vacuum Technology and Vacuum Design Handbook for Accelerator Technicians This handbook is a compilation of information gathered from over 50 years of direct hands-on experience to applicable information widely available from the vacuum technology industry. The horizontal elements of the I are flanges, and the vertical element is the "web". PDF | On Aug 1, 2014, Ziad N. Design rules for gasketed circular flange connections. These products are used for securing wall studs at floor and ceiling junctions. Allowable Concrete Bearing Stress 7. com Page 7 of 20 Material and Structural Shapes The most common shape utilized for the design of monorails with under hung hoists is the S-shape. com flange design calculation Best reference is Brownell, L. DESIGN CALCULATIONS OF HEAT EXCHANGER According to ASME Code, Sec. 0 free download, review. Pressure vessels require flanged joints to permit their disassembly, in-spection and cleaning. The best tool when. 4 DESIGN In Germany, the DIN E/V 2505 (1964, 72, 86, 90 /10/) stood for the design of flange connections to the disposal. Building and Construction Authority (BCA). Greetings, Does anyone have a copy of Taylor Forge's "Design of Flanges For Flat Face Gaskets - Engineering Department Bulletin No. For this kind of pressure vessel, the selection of material use is base on Appendix B: Table 1. (APRC) Project : Design & Fabrication of Debutanizer Reflux Reliever Dru…Full description. beam design and didn’t explain the structural or curved runway beam design. 1 1 Modern Flange Design, microsoft ppt to pdf plugin Bulletin 502. This can also be used for the column calculations to find what point load will cause the columns to buckle. 1 Sprocket Tooth Geometry The tooth form of a sprocket is derived from the geometric path described by the chain roller as it moves through the pitch line, and pitch circle for a given sprocket and chain pitch. The size of the flange, the type of gasket, the bolt preload required to obtain a reasonable seal made it a design challenge to design this bolted flange assembly. Standard ASME B16. For a cantilever beam in (a), the best loca-tion is the top tension flange, not the compression flange. Design of Steel Structures Notes pdf – DSS notes pdf file Complete Design of Steel Structures Pdf free download Link:Complete Notes. Material assignment Head SA- 106 B Shell SA- 106 B Nozzle -Relieve Valve SA- 106 B. 5, M10, M15, M20, M25, M30 and higher grades of concrete is calculated as below: The procedure for finding the different grades of concrete mixes are same. The Design of Flanges Based on Flexibility and Tightness. In addition, SPIROL’s Application Engineers will partner with your design team to determine the most appropriate Compression Limiter for your specific application. Otherwise, if a is greater than t s, a T-section design is a must. In order to develop a simplified approach for obtaining. It opens and closes automatically as required, to maintain a closely controlled blanket pressure. 2 Clamp Coupling 16. Weld neck flanges, where the hub is of uniform thickness are discussed in detail. FIGURE 2 Curved top flange-plan view. The majority of the storage tanks are working under atmospheric pressure. calculations we will use primarily Torr or atmospheres). 47 Flange Warnings No. 04962 Microprotol 32. org and Partnership for Advancing Technology in Housing. In times past, the pin device most often used was the. The first and most essential point is to ensure that the flange is in good contact with the screening gasket, with mating surfaces smooth, clean, flat and. In the following paragraphs, I will describe the methods of flange leakage evaluation by NC 3658. Sevagram, India 2 Assoc. 1 & TEMA 9th Edition. 3 with design temperature and Material Group No. Note :-These notes are according to the R09 Syllabus book of JNTU. Stress calculation of pipe flanges; lapped-end pipes made of high-alloyed steel, light metals, or plastics are bolted together by means of a pair of unalloyed steel rings; method derived from statical design of boiler bulkheads by M Esslinger (1952) is developed for stress calculation of these joints; method is based on treating separately. In service load design the stresses in the beam are calculated on the basis of the. 5, when flange rating is performed, do you use design tube metal temperature or fluid temperature? I know we should use service/bulk/fluid temperatures. 16938 Westfield Park Rd Westfield, Indiana, IN 46074; 888-925-3284; 317-896-4391; [email protected] Norsok Compact Flange for IX Seal IX Seal Ring installation Installation of IX seal using a pull-up cord – one end with a loop and one free end. Rectangular Flange Design Please note that the abreviations with suffix S are used to denote short side while those with suffix L are used to denote long side Design Calculation has been carried out based on PD 5500 Enquiry Case 5500 / 133 with ASME stress values Design Pressure Pd = 5 N/mm2 Outside Length of long side Al = 2620 mm Outside Length of short side As = 775 mm Inside Length of long. ASTM International is an open forum for the development of high-quality, market-relevant technical standards for materials, products, systems, and services used around the globe. 5038 psi (lb f /in 2). A lateral brace should be attached where it best offsets the twist. Link:Unit 2 Notes. Calculation of the Plastic Section Modulus Using the Computer DOMINIQUE BERNARD BAUER ABSTRACT A simple spreadsheet is presented which calculates the plas tic section modulus of structural members. In general, it is seen that in solid slab a portion of concrete below the neutral axis remains ineffective. Such an assumption simplifies the splice design considerably. htm goes into some of the details of our design approach including a sample output from our proprietary computer program. The ASME B16. It is also known as the “D” dimension. txt) or read online for free. Pressure vessel Flange Check Design Spreadsheet Calculator per. 16 Design Bolt Loads STEP 1: Design Condition Design Pressure 10. 16938 Westfield Park Rd Westfield, Indiana, IN 46074; 888-925-3284; 317-896-4391; [email protected] 1 Sprocket Tooth Geometry The tooth form of a sprocket is derived from the geometric path described by the chain roller as it moves through the pitch line, and pitch circle for a given sprocket and chain pitch. DESIGN OF STEEL BEAMS 2. Automatic analysis of all flanges in the system taking into account all load cases. The basic design satisfying the above design requirements was developed during Phase II. An overview of the current methods used to analyze bolted joint connections is given. Identify material specification of flange A-182 Gr, F11 2. The parametric study results were used to review the current design rules and to develop new design formulae for RHFBs subjected to. Warning 1 For Class 150 flanges, ASME B16. XLS 344 KB 34. Selecting the right fastener material from the vast array of those available can be a daunting task. The following note discusses the standard formula for the shear flow between web and flanges of a doubly symmetric beam which is used for weld design and gives the background to the formula in Eurocode 3 Part 51. Motor Torque Calculation Tel: (86)755-26434369 2 Web site: www. design calculations is permitted for weld reinforcement. include any additional design/safety factors in your gasket calculation. The impetus for the preparation of a second edition of the Guide to Design Criteria for Bolted and Riveted Joints has been the enthusiastic reception of the original version and the continued citation for over a decade of that book as a source of information regarding the design of bolted connections. First, structural joints should be designed so. 3 Note: where b effective width of compression flange bw average width of web Use actual b if it is less than the calculated b using the above formulae. Design Code 2. When a beam subjected to loads results in both lateral displacement and twisting, then it is said to undergo lateral-torsional buckling. B-Line series Fire Protection Solutions 1 Eaton Manufacturers Standardization Society of the Valve and Fitting Industry, Inc. 1 Gasket Factor m 3 Min. A Division of Bray International, Inc. Strength, Service, and Fatigue limit states are considered, and design checks are provide for tension, compression, and shear resistance of splice plates, fracture. This value is to be verified with the supplier of the studs during the design process. HG = for flanges covered by AS1210 Clause (3. Crane Girder Design. calculations therefore have to be checked and approved by the responsible planner ahead of execution. Kips simplify calculations by dropping the last three zeros. The design guidelines are based on results obtained by dynamic fatigue tests, the analysis of existing gasketed joints, experience, and the results of analytical and numerical calculations within Henkel2 to 28 and independent institutes1. The effective throat shall be the short est distance from the joint root to the weld face of the diagrammatic weld (see Annex I). 98692 atm = 14. Consult your. design calculations is permitted for weld reinforcement. 5, when flange rating is performed, do you use design tube metal temperature or fluid temperature? I know we should use service/bulk/fluid temperatures. 1 & TEMA 9th Edition. Design for Strength: PDF unavailable: 34: Design of Shafts: PDF unavailable: 35: Design of Machine Elements - I (V & W) PDF unavailable: 36: Design of Machine Elements ( V & W ) PDF unavailable: 37: Design of Cylinders & Pressure Vessels - II: PDF unavailable: 38: Design of Cylinders & Pressure Vessels - III: PDF unavailable: 39: Design of. ASME Section VIII Div. Flanges are primarily used where a. On the roof side, overflow scuppers can be detailed similar to Detail 10. When a beam subjected to loads results in both lateral displacement and twisting, then it is said to undergo lateral-torsional buckling. GRP/GRV/GRE Fittings. c) Determine maximum working pressure of a flange when given the design temperature, flange material and flange class. 14) design file format (. Sheet metal bending is the plastic deformation of the work over an axis, creating a change in the part's geometry. 1525 t Design thickness 0. Pressure Vessel Design Calculations Handbook This pressure vessel design reference book is prepared for the purpose of making formulas, technical data, design and construction methods readily available for the designer, detailer, layoutmen and others dealing with pressure vessels. 277 kb: Design of Shaft: Shaft and its design based on strength: PDF: 0. 47-2006 With Stiffeners : Yes. ppt), PDF File (. xls 25 KB 36. As with drum diameters it is advisable to use "existing" flange diameters. an equally stiff 4-Flange Liner Plate must have more than twice the moment of inertia. Gantry Girder is the classic example of Laterally Unsupported Beam. Exchanger Piping must be routed in such a manner that it meets economy. pdf), Text File (. second calculation using the "M" value and the design internal pressure. The majority of the storage tanks are working under atmospheric pressure. Such an assumption simplifies the splice design considerably. Material 3. 2 / DESIGN GUIDE 1, 2ND EDITION / BASE PLATE AND ANCHOR ROD DESIGN The vast majority of building columns are designed for axial compression only with little or no uplift. A typical example may be a precast T-beam. Sprocket Tooth Design Formulas Refer to Fig. SKF can provide a portfolio of different calculation methods to optimize bearing selection for any kind of application. In Germany, the DIN E/V 2505 (1964, 72, 86, 90 /10/) stood for the design of flange connections to the disposal. The design of a flange involves the selection of the gasket (material, type, and dimensions), flange facing, bolting, hub proportions, flange width, and flange thickness. Combined with the Generic 4D chart library, all the tools required are available to implement pressure piping calculations according to any design standard. the effective area for design calculations is permitted for weld reinforcement. The customer is responsible for the flange design and for ensuring that the flanges,. BEAM DESIGN FORMULAS WITH SHEAR AND MOMENT DIAGRAMS American Forest & Paper Association w R V V 2 2 Shear M max Moment x DESIGN AID No. One East Wacker Drive, Suite 3100, Chicago, IL 60601. removes any possible correlation between ASME flange calculation methods and flange manufacturers provided m and y values. Excel Spreadsheet Design for Civil and Structural Engineering Calculations I adore creating Excel spreadsheets. Oesterle and A. To maintain consistent placement of meters and minimize stray light, a custom flange was developed for the integrating sphere porthole, as well as custom sleeves/holders for each meter that allowed easy and repeatable placement of each handheld meter onto the flange. Determine Material Group No. Shear and moment diagrams and formulas are excerpted from the Western Woods Use Book, 4th edition, and are provided herein as a courtesy of Western Wood Products Association. • Optional mounting gland or split flange make permanent installation fast and simple Series 160 is designed to meet: • ASME “Fluid Meters” 6th Ed. Channel Shear Connectors. The dimensions of the Flange Spreader are: A. A reference table is supplied in ASME BPVC Section VIII, Division 2, Table 5. Cold Flange Rating Pressure as sizing maximum DP Some operators prefer that all valve torque calculations should be done based on the cold flange rating pressure service interchangeability reasons. Engineering Excel Spreadsheet Downloads Welding Design and Engineering Pressure Vessel Design and Engineering. Beam Design Example Choose the lightest wide flange steel section available to support a live load of 790 plf and a dead load of 300 plf over a simple span of 18 feet. With dished heads without additional flange rings, clamp bolts are also considered. The engineer or designer must choose among several flange options. Struik Published by: AMERICAN INSTITUTE OF STEEL CONSTRUCTION, Inc. 1 Connections in Buildings OBJECTIVE/SCOPE To identify the ways in which structural connections are made in steel buildings, to discuss the importance of a proper choice of connecti on type on both overall structural behaviour and economics and to present the basic principles of connection design. design Allowable Operating Pressure Hydrostatic Design Basis Vinidex pipes manufactured to AS/NZS 4130, Series 1 have wall thickness and pressure ratings determined by the Barlow formula as follows: T = minimum wall thickness (mm) P = normal working pressure of pipe (MPa) D = minimum mean OD (mm) S = hydrostatic design stress at 20°C (MPa) See. 5 flange software that runs calculations according to the code so that users can be assured about the selection of appropriate flange according to the design conditions of the service of the specific flange. After 7 years (probably earlier) were the first seriously corrosion problems identified, while one of the largest and most experienced engineering. These calculations ensure the following:. insight into the mechanics of gasket selection and design. Design Calculation Anchor Flange - ASME VIII Div 1. The joint deformation is determined by applying an external load to the bolted joint. W Property Table Shape Depth Flange width Flange thickness Web thickness Area Sx Sy (inch) (inch) (inch) (inch) (in2) (in3) (in3) W44X335 44 16 1. Rotary Airlock Calculation. We are concentrating on producing and selling machines such as jaw crusher, cone crusher, hammer crusher, ball mill, sand maker, mobile crushing plant. REQUIRED FOR ALL CODES 1. Fully restrained moment connection with shear tab and welded beam flange plates, web doubler plates and transverse web stiffeners. As to the types of cranes covered under CMAA Specification No. So, at this point PV Elite does not show this detail, but the calculation is correct. This program provides design and analysis of AISC steel sections acting compositely with a concrete slab interlocked along its compression flange. Shigley’s Mechanical Engineering Design book shows how to calculate. 1 Flanges and their joints. Several methods for the design and analysis of bolted joint connections are presented. php on line 143. The Threaded flange, through Class 400, is connected to PIPE FLANGES B1. The paper includes design methods for design of the seal ring, flange and bolts in addition to assembly guidelines. More detailed explanations and examples can be found in my text. The design requirements for a gasket joint in a screened enclosure are primarily that there must be good conductivity between opposing flanges through the gasket. Thermal Analysis. A flange consists of three subcomponents: the flange ring, the gasket and the bolting. Column splices Splicing of different serial size column using bolted flange and web plates with filler plates. The general design considerations described in Section 3 summarize the gained. 1 1 Modern Flange Design, microsoft ppt to pdf plugin Bulletin 502. Their purpose was to determine the assembly torque of nuts to achieve the desired tightness. Mostly the fitment of this unit is in parking area or basement where the height is restricted. pdf), Text File (. Careful consideration must be given to strength, temperature, corrosion, vibration, fatigue, and many other variables. Beam Design and Deflections Notation: a = name for width dimension A = name for area Areq'd-adj = area required at allowable stress when shear is adjusted to include self weight A web = area of the web of a wide flange section b = width of a rectangle = total width of material at a horizontal section = name for height dimension c. HG = for flanges covered by AS1210 Clause (3. 60 (Flanges, couplings and joints) This document comes with our free Notification Service, good for the life of the document. 2 Beam Model of the T-stub. Distribution Statement No. ASTM specifications for weld fittings and flanges. A similar flange- style is used by the drinking water industry, but they are not covered by ASME VIII-1. engineers, listed in the Acknowledgements, to prepare a guide for the design of buried steel pipe. The general design considerations described in Section 3 summarize the gained. "MONORAIL" --- MONORAIL BEAM ANALYSIS Program Description: "MONORAIL" is a spreadsheet program written in MS-Excel for the purpose of analysis of either S-shape or W-shape underhung monorail beams analyzed as simple-spans with or without overhangs (cantilevers). Design of Pressure Vessel Pressure Vessel Design Calculations Code :ASME Section VIII, Division 1, Edition 2001, Addenda 2002 Code Stamp : U Client :Amerya Petroleum Refining Co. The second method [6] sets the neutral axis at the lower edge of the flange and thus assumes all bolts are additionally loaded. The design requirements for a gasket joint in a screened enclosure are primarily that there must be good conductivity between opposing flanges through the gasket. Pressure Vessel Design Calculations Handbook This pressure vessel design reference book is prepared for the purpose of making formulas, technical data, design and construction methods readily available for the designer, detailer, layoutmen and others dealing with pressure vessels. The Ultimate Critical Service Triple Offset Valve Flange Bolting Guide All information herein is proprietary and confidential and may not be copied or reproduced without the expressed written consent of BRAY INTERNATIONAL, Inc. …In this case here you can see I have a basic…U-shape piece of sheet metal. If the flange calculation passes, all the same size and class. and Lev = 12 in. The Threaded flange, through Class 400, is connected to PIPE FLANGES B1. 10/12 Design and optimize : Yes. BS EN 1591-1:2013 Flanges and their joints. php on line 143. Box 536, Braeside Victoria, 3195 102-104 Malcolm Road, Braeside, Victoria, 3195 MATTHEW DAVIS Australia Pty. Note: Also make sure the drum flanges have a sufficiently large diameter to comply with the regulations. * "Pression Nominal" is the French equivalent of Pressure Nominal "Pression Nominal" is the rating designator followed by a designation number indicating the approximate pressure rating in bars. The following note discusses the standard formula for the shear flow between web and flanges of a doubly symmetric beam which is used for weld design and gives the background to the formula in Eurocode 3 Part 51. b 17Load and Moment 18HARD AND SOFT GASKETS 20Bolts. FLANGE THICKNESS CHARTS Steel Pipe Flanges For Waterworks Service. All flanges, discussed on this website fall under the ASME en ASTM standards, unless otherwise indicated. These flanges are often used in a low-pressure application. Body Flange Design. The design of bolted flanges requires that gasket constants referred to as m and y be used in the calculation. com Page 7 of 20 Material and Structural Shapes The most common shape utilized for the design of monorails with under hung hoists is the S-shape. Groove weld sizes for welds in T-, Y-, and K-connections in tubular members are shown in Table 3. We are concentrating on producing and selling machines such as jaw crusher, cone crusher, hammer crusher, ball mill, sand maker, mobile crushing plant. The flanged joint designated as DN100 PN40 with two different gaskets was taken into. The method con sists in dividing the cross section into rectangles and arrang ing all calculations conveniently into a spreadsheet program. Stress calculation of pipe flanges; lapped-end pipes made of high-alloyed steel, light metals, or plastics are bolted together by means of a pair of unalloyed steel rings; method derived from statical design of boiler bulkheads by M Esslinger (1952) is developed for stress calculation of these joints; method is based on treating separately. This girder is subjected to the moving load due to travelling crane running on rails connected to top flange, and therefore it lacks. org and Partnership for Advancing Technology in Housing. bolts table 2 table 4 table 5 ansi slip on flange table 2 table 3 class d class e class e class b class b class d 1 1/2 4 — — — 0. If two flanges have the same bore size (example 6 inches), the same material (example A105), but two different pressure ratings (one flange is class 150, the other 300), the lower rated flange (class 150) will be smaller, lighter, and less robust than the higher rated flange (class 300). @article{osti_7246900, title = {Evaluation of the bolting and flanges of ANSI B16. Design Steps Reinforced masonry shear walls must be designed for the effects of: 1) gravity loads from self-weight, plus gravity loads from overlying roof or floor levels; and 2) moments and shears from in-plane shear loads Actions are shown below. The width of this beam would be between 1/3 and ½ the depth. Fisher John H. , carbon content) so that the. blind flanges for design according to ASME VIII Div. 51 MB / EN_New_HECO-products_2018. A plate girder is a built up I-beam section, used to carry heavy loads which cannot be carried economically by rolled I-sections. Calculation of the Plastic Section Modulus Using the Computer DOMINIQUE BERNARD BAUER ABSTRACT A simple spreadsheet is presented which calculates the plas tic section modulus of structural members. ASME Section VIII Div. Engineering Excel Spreadsheet Downloads Welding Design and Engineering Pressure Vessel Design and Engineering. Design Checks for Moment Connections. Gravity and lateral. 55mm) Large Flange Head. 44 Reinforced Concrete 2. Even though every flange size and pressure class has an exact OD, flange sizes are denoted by the size of the pipe, which is expressed as NPS. 50 0 20000 40000. Total deflection < span/250 OR 2. 1 INTRODUCTION TO RIBBED SLAB DESIGN TO BS 8110 Consider the solid slab shown below. However, in high pressure applications it is also necessary to design the pressure piping and associated connected flanges to safely contain the high pressure fluid. Design Checks for Moment Connections. Marman clamp systems are one of the most popular systems in use today and very little more is known about them now than when they were first introduced. 5 - Jul 2010 procal V32. This calculation is according to ASME VIII Div. Early North American design codes allowed a designer to place holes in flanges up to 15% of. The main difficulty being the necessity to adopt calculation coefficients for gaskets when calculating assembly and operating tension valves. Introduction Notations Relative to “Shear and Moment Diagrams” E = modulus of elasticity, psi I = moment. Flange holes are frequently made in structural steel construction, primarily for bolting purposes. When used to drain small exterior areas, area drains should have an open area equal to twice the transverse area of the connecting pipe. Modern Flange Design - Taylor Forge Engineered Products. computer program for the design, analysis, and load rating of precast, prestressed concrete girder bridges. 1-2007 and 2010; 2009 and 2012 IMC Table 6. calculation of the flange rotation due to pressure has a small. A panel on the lower. Caution: Be sure to sit in a chair that provides proper back support. , and Young, E. BULB-TITE® Rivet Structural Attachment Product Specifications Diameter: 9/32" (7. Design for Strength: PDF unavailable: 34: Design of Shafts: PDF unavailable: 35: Design of Machine Elements - I (V & W) PDF unavailable: 36: Design of Machine Elements ( V & W ) PDF unavailable: 37: Design of Cylinders & Pressure Vessels - II: PDF unavailable: 38: Design of Cylinders & Pressure Vessels - III: PDF unavailable: 39: Design of. M-506 CO2 corrosion rate calculation model M-601 Welding and inspection of piping M-622 Fabrication and installation of GRP piping systems M-630 Material data sheets and element data sheets for piping N-001 Integrity of offshore structures N-002 Collection of metocean data N-003 Actions and actions effects N-004 Design of steel structures. 20 m H 2 O = 0. modern flange design bulletin 502 download Bolted joints are also utilized to alleviate stresses at sections. By using this approach a higher bolt load is determined. Many of the pressure vessel calculations needed to properly design a vessel or exchanger are not, by design, contained in the ASME VIII BPVC itself. The design process and corresponding calculations for steel I-girders are the focus of this example, with Additionally, the weld design for the web-to-flange joint of the plate girders is demonstrated along with all applicable components of the stiffener design and cross frame member design. txt) or read online for free. c LT is determined from a factor (F LT) and the non-dimensional slenderness factor (l LT. Design : ASME Sec. These calculations ensure the following:. Download Design Calculation Anchor Flange - ASME VIII Div 1 Free in pdf format. Either strength. api 20k 6bx flanges will meet eichenberg flange calculation methods if using eichenberg calculated rings bx-e. B Flange width 2. SR1/SR1+ program User manual (pdf) with application. calculation, tightness proof, assembly, bolt loads INTRODUCTION Bolted flange connections are in use in all technical areas, e. 7 Rc1/2 IDF6E 5. The flow of heat can be delayed by understanding the conductive, convective, and/or radiative behavior of the material in consideration. DESIGN CALCULATIONS OF HEAT EXCHANGER According to ASME Code, Sec. 277 kb: Design of Shaft: Shaft and its design based on strength: PDF: 0. E1, Group No. More detailed explanations and examples can be found in my text. Boiler and Pressure Vessel code contains rules for the design and construction of unfired pressure vessels. Select Flange Class/Grade through 'Read from File' button and refer to ASME B 16. Basic calculation principles are mentioned in this chapter, to give an overview of. htm goes into some of the details of our design approach including a sample output from our proprietary computer program. d = 1200 mm, b 1 = 300 mm, b 2 = 550 mm, t 1 = t 2 = 20. Link:Unit 2 Notes. Heat Exchanger Design, Inc. Use F y = 50 ksi. Seshu Adluri Beam to Column Rigid Joints Stiffener plates are used to ‘shore up’ the column flanges against the forces transmitted by the beam flanges. Design nozzles for: Design P only Corrosion weight loss: 100% of theoretical loss UG-23 Stress Increase: 1. The following Houston District Standard Sheets are provided in MicroStation SE (V. Depending on the regulation applicable the upper rope layer must remain 3-5 rope diameters below the edge of the flange. design calculations is permitted for weld reinforcement. The basic design satisfying the above design requirements was developed during Phase II. Use this online hollow rectangular beam deflection calculator to compute the deflection of hollow rectangular beams. The modelling of the column base with the base plate using component method gives simple and accurate prediction of the behaviour. Available in 0. to - EN 1591-1:2011, - EN 1591-1:2014, - ASME VIII, Div. A lateral brace should be attached where it best offsets the twist. Early North American design codes allowed a designer to place holes in flanges up to 15% of. pdf), Text File (. 7 MPa 55 R2 IDF75E 75 IDF/IDU Series CAT. Design of Pressure Vessel Pressure Vessel Design Calculations Code :ASME Section VIII, Division 1, Edition 2001, Addenda 2002 Code Stamp : U Client :Amerya Petroleum Refining Co. provided, illustrating calculations for flange and web stress, splice plate design, and bolt design. 2 x 12 / 18 = 116. org and Partnership for Advancing Technology in Housing. The results of design equations are presented to three significant figures throughout these calculations. Calculation. A panel on the lower. Overall height – 10 ½ inches (267) B. For an acceptable thermowell design, the ratio of the Strouhal frequency and the natural frequency "shall not exceed" 0. IX NDT : ASME Sec. plasticpipe. all current api 20k 6bx flange geometries meet eichenberg flange calculation methods. The most important advantage is the separation of modelling of the each component response, see [8]. As previously discussed, transverse stiffeners for shear (i. 20 Bentley Systems, Inc. This may be the location of bearing of a beam or a post. The sides of the flange are sealed against the masonry. An overview of the current methods used to analyze bolted joint connections is given. A flange consists of three subcomponents: the flange ring, the gasket and the bolting. - SAE flange port pattern - Sizes 3/4" - 2 1/2" - Fits between port and flange - Sealing on both faces. Thermowell Calculations March 2014 Thermowell Calculations those listed in the table, the designer should use the data for the length longer than the thermowell to be conservative. Seven chapters are included in this section,. Flange Thickness Determination: The thickness of the flange, tf may be obtained by considering the bending of the flange about section A-A being the section along which the flange is. S: Among all of the metal weight calculation formula in the following part, there are two kinds of metals that are not mentioned, which are I beam steel and H beam steel. xls), PDF File (. Run Pipe Schedule Thickness 10. column flange in compression and base plate in shear. 3 IMPORTANT CONSIDERATIONS WHILE DESIGNING JIGS AND FIXTURES Designing of jigs and fixtures depends upon so many factors. The results were rounded according to the rounding practice of ASME B16. The results of the design can be noted from the figures 7 and 8. all current api 20k 6bx flange geometries meet eichenberg flange calculation methods. STRUCTURAL DESIGN 2 RIBBED (JOIST), HOLLOW POT & WAFFLE SLAB DESIGN TO BS 8110 @Mr. Different FE-models for a segmental approach and calculation of the total flange are presented and the results are discussed in regard to the structural design calculation. Ordering information. VACUUM SEALS DESIGN CRITERIA A variation of plus or minus 50% from the predicted values should be anticipated to allow for limitations in the accuracy of test equipment and available standards, and for variations between samples. 1 & TEMA 9th Edition. Generally, three, four or six bolts are used. The most important advantage is the separation of modelling of the each component response, see [8]. Material Stress (cold): 20000 PSI Corrosion Allowance: 0. 5 CARBON & STAINLESS STEEL FLANGES • Dimensions & Weights BLIND WELDING NECK (WN) SLIP-ON WELDING (SOW) H D A K G H D A K G SOCKET WELDING (SW) H D C A K G B C H D A K G B C SOW. The Reinforcement Beam Section Calculator is a failry simple tool, and is small part of our fully featured Reinforced Concrete Beam Design software offered by SkyCiv. Concrete Mix design of M5, M7. To maintain consistent placement of meters and minimize stray light, a custom flange was developed for the integrating sphere porthole, as well as custom sleeves/holders for each meter that allowed easy and repeatable placement of each handheld meter onto the flange. enables our team of engineers to quickly design custom disc spring systems based on our customers’ specific applications. that the flange splice carries all the moment and the web splice carries the shear. provided, illustrating calculations for flange and web stress, splice plate design, and bolt design. STEEL FLANGE DIMENSIONS mn[--~j I I ~c. 5 describes dimensions, dimensional tolerances etc. And flange leakage checking is required for node 30. Thermowell design - Dimensions - Material - Coating - Flange pressure rating Process conditions - Flow rate - Density of medium Options Other flanges, dimensions and materials “Quill Tip” version Tantalum coating for wetted parts (insertion length U + max. In this paper a new software program is outlined that. Varma • In Figure 4, My is the moment corresponding to first yield and Mp is the plastic moment capacity of the cross-section. To illustrate the contrast, the company ran similar strength calculations on its own swivel ring flange design. Objectives and Methods of Analysis and Design: PDF: 0. To produce a complete set of pressure vessel calculations that comply with both customer's specifications and ASME VIII, paragraph UG-22, a number of additional engineering references are needed. The flanges are then built based on the larger of the two calculated values. The expected field-bolt stress (Se) achieved is often. The force trying to separate the flange was computed to be 58. At the beginning you find 2 types of flange stress calculation. 10/12 Design and optimize : Yes. THREADED FLANGE Threaded flanges are joined to pipes by screwing the pipe (which has a male thread, generally NPT per ASME B1. (3) Verein Deutscher Ingenieure e. 1 Flanges and their joints. They are mainly used for roof and wall purlins instead or hot rolled I-sections or U. c) Determine maximum working pressure of a flange when given the design temperature, flange material and flange class. Flange Weight Calculator, Wnrf Flange Weight Calculator, Stainless Steel Flange Weight Calculator, Weld Neck Flange Weight Calculator, Stainless Steel Flange Weight Chart, Blind Flange Chart, Large Diameter Flange Weights, Pipe Flange Weight Chart, Pipe Flange Weight Chart, Flange Screw Weight Chart. Design pressure code : CODAP 2010 Div. Design Flowchart for Using the North American Specification and the AISI Cold-Formed Steel Design Manual 5/22 Overview of AISI Cold-Formed Steel Design Manual, 2008 Edition To help users better understand and fully utilize the 2007 edition of the North American Specification, AISI has published the Cold-Formed Steel Design Manual, 2008. W Property Table Shape Depth Flange width Flange thickness Web thickness Area Sx Sy (inch) (inch) (inch) (inch) (in2) (in3) (in3) W44X335 44 16 1. 1 & TEMA 9th Edition. The most important advantage is the separation of modelling of the each component response, see [8]. 4-Flange 2-Flange Tunnel Liner Plate Thickness. This new thrust block design also incorporates advanced bearings designed specifically for high pressure hydraulic pumps. 1 Reducing Jacket Insert Flanges, Jacket Pipe Weld Design. com flange design calculation Best reference is Brownell, L. 5 Rc3/4 IDF11E 11 IDF15E1 15 Rc1 IDF22E 22 R1 IDF37E 37 R1 1/2 IDF55E 40°C 0. Keywords: WT shape, flexo-compression, beam-column RESUMEN. Deprecated: Function create_function() is deprecated in /home/chesap19/public_html/hendersonillustration. • The adjacent table addresses structure sizing when using concrete pipe for storm drains. 7071 For 5 Hole Flange = s / 0. Calculation method BS EN 1591-1 defines a Calculation method for bolted, gasketed, circular flange. Blind Flange Design Calculations - By Abdel Halim Galala - Free download as PDF File (. On the roof side, overflow scuppers can be detailed similar to Detail 10. 1 is sufﬁcient. About 50 years ago, when the main pressure vessel standards were composed only by a few pages, and the sliding rule was the only available tool for the pressure vessel designer, the Taylor Forge method for the calculation of flanges was regarded as a very advanced and sophisticated procedure for the design of these complicated vessel components. Groove weld sizes for welds in T-, Y-, and K-connections in tubular members are shown in Table 3. txt) or read online for free. design Allowable Operating Pressure Hydrostatic Design Basis Vinidex pipes manufactured to AS/NZS 4130, Series 1 have wall thickness and pressure ratings determined by the Barlow formula as follows: T = minimum wall thickness (mm) P = normal working pressure of pipe (MPa) D = minimum mean OD (mm) S = hydrostatic design stress at 20°C (MPa) See. pdf), Text File (. By comparing case I and case –II it is observed that Hub – flange gives more strength when compared to flat flange. This new thrust block design also incorporates advanced bearings designed specifically for high pressure hydraulic pumps. design the welds between the flange and web of a plate girder. It summarizes the piping material requirements for pipe, fittings, flanges, valves, and all other piping components for each specific pipe class as. 3 SEISMIC MOMENT JOINT CALCULATIONS 6-17 6. t = thickness of the applicable flange (in. Design and validation of these flanges involves calculations, either via the application of formulas or via more advanced techniques such as the finite element method. The results of design equations are presented to three significant figures throughout these calculations. Piping connected to channel head nozzles should be furnished with break flanges to facilitate the removal of channel head. The expected field-bolt stress (Se) achieved is often. Heat transfer equipment in hot services, other than coolers and condensers, shall be completely insulated except for supporting members and flanges. Civil Site visit 13,307 views. Flange design calculation sheet,Our company is a large-scale heavy enterprise that taking heavy mining machinery manufactory as main products and integrated with scientific research, production, and marketing. plasticpipe. Blind Flange Design Calculations - by Abdel Halim Galala. The detail shows an alternate method of constructing either type of scupper. The design of bolted flanges requires that gasket constants referred to as m and y be used in the calculation. Marman clamp systems are one of the most popular systems in use today and very little more is known about them now than when they were first introduced. The analysis is. 5 - 01/07/2010 5 prodia2 V32. Introduction to Moment and Truss Connections presented by is a structural engineer at At las Tube. Industry Standard documents for: Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation. The recommended values given for the gaskets listed in the code are non-mandatory. Calculation of Flange Stresses The stresses in the flange shall be determined for both the operating conditions and gasket seating condition, in accordance with the following formulas: (1) Integral type flanges Longitudinal hub stress Á = Ù Æ𝑂 Å Ú12 » <1. Therefore for fatigue design one needs to have good esti-. face) variety, the flange slips over the end of the pipe and is attached with internal and external fillet welds, see Figure 1. 1 are regarding pressure; when the design pressure exceeds 3000 psi (210 Kg/cm2); design according to Div. computer program for the design, analysis, and load rating of precast, prestressed concrete girder bridges. Calculation method BS EN 1591-1 defines a Calculation method for bolted, gasketed, circular flange. 3b-1) Where:. 1, Edition 2001, Addenda 2002 / TEMA "R" 7th Edition 88. Example calculation: WRF1200x244 The top flange is in compression. Design verifications For simple steel plate girder bridges, consider spot checking computer program design and analysis output by rough hand calculations if practical For complicated steel plate girder bridges (curved), consider verifying design with a second design/analysis program No two programs will match exactly of course. Steel c channel or structural steel channel varies in sizes from 3 to 15 inches deep, see figure 34 below. Designed by : Eng. This calculation standard was in principle the basis for the AD-Merkblatt and the KTA rules. 5 flanges, as long as the design or service pressure is within the pressure rating of the flange, the flanges are considered capable of taking the same pipe load as that of the pipe-to-flange welds with appropriate stress intensification factors applied [6]. Specific calculations and drawings are attached herewith as appendices for reference. The finite element analysis of the whole assembly was. 5 - Jul 2010 procal V32. 2 is required. Asish Seeboo 2 1. are required to design a moment connection: • Determine the path of the forces through the connection. In this article, we only see about the Gaskets – Basics, Types, Working Principle, Calculation of bolt load. space s-bt studs accordingly to accommodate design loads. net WELD NECK THREADED LAP JOINT BLIND SLIP-ON SOCKET WELD. 12 Die Optimierung verschraubter Flansch- verbindungen, Tückmantel. 3mm STEEL PULLEY 89502 GROOVED WITH FLANGE (8 groove wide) 56mm 30mm 10. 5 Pipe Flanges tool determines pressure temperature ratings for standard flanges manufactured in accordance with ASME B16. Groove weld sizes for welds in T-, Y-, and K-connections in tubular members are shown in Table 3. It can be a useful tool for situations where beams have concentrated or distributed loads that are applied eccentrically, or where beams are subjected to torsional moments. Efficient ASME® Appendix 2 Flange Design Software Paul Daniel 2019-03-14T13:52:06-04:00 ASME® Appendix 2 Flange Design Simplified Standard ASME B16. modern flange design bulletin 502 download Bolted joints are also utilized to alleviate stresses at sections. 1) onto the flange, without seam welds (in certain cases, though, small welds are applied to increase the strength of the connection). The product's specification rate is PSL 1-4 and performance rate PR1. 1017 d 0 Depth of the standard punch-out 1. 5 - 1/07/2010 EuResearch Table of Contents. Channel molding: Hemmed with prefinished exposed flanges. The web connection. 5 Rc3/4 IDF11E 11 IDF15E1 15 Rc1 IDF22E 22 R1 IDF37E 37 R1 1/2 IDF55E 40°C 0. Chapter 9: Column Analysis and Design Introduction Columns are usually considered as vertical structural elements, but they can be positioned in any orientation (e. The S-shape sections have narrow flange widths but also thicker flanges compared to equivalent W-shape sections. In low carbon steel sheet metal, the minimum radius of a bend should be one-half the material thickness or 0. Figure 1 Orifice Flange Unions consist of two ANSI flanges (usually weldneck but slip-on or threaded types are also available) with associated flange bolts, nuts and gaskets. calculation of the flange rotation due to pressure has a small. Scribd is the world's largest social reading and publishing site. com/ob4grgo/p51rhb. G mm WN Blind SOW SW Nominal Size Class 150 Flanges to ASME B16. S: Among all of the metal weight calculation formula in the following part, there are two kinds of metals that are not mentioned, which are I beam steel and H beam steel. Corrosion Allowance 8. (5): F = (π/4)D1 2P, (5) where: D1 = outside diameter of seal, 134 × 10-3 m. The seating and operating loads are design rules and should not be expected to predict actual flange stresses. The following Houston District Standard Sheets are provided in MicroStation SE (V. 020 Assumed flange width, b f =5. @article{osti_7246900, title = {Evaluation of the bolting and flanges of ANSI B16. from elastic calculation, and the steel is exposed and reaches the yield stress, F y section, x is found by including the flange and the stem of the web (b w) in the moment area calculation:. 5 Pipe Flanges & Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard covers pressure-temperature ratings, materials, dimensions, tolerances, marking, testing & methods of designating openings for pipe flanges & flanged fittings. Box 536, Braeside Victoria, 3195 102-104 Malcolm Road, Braeside, Victoria, 3195 MATTHEW DAVIS Australia Pty.