The program will provide all the flange stresses necessary to design the flange. Asme section iii, nc3658 analysis of flanged joints. Stainless steel 304304l pipe fitting, flange, slipon. The flanges which are immediately available also include old din dimensions, for example, dn 5057. Taylor forge modern flange design bulletin 502 free download as pdf file. In addition to the flange design wizard, the appendix 2 flange design dialog has a handy asme b16. Products complying with the following standards are stocked. The flange was calculated as both loose and integral with an oring gasket. We offer calculation spreadsheets, engineering services as drawings, finite element analysis, calculation reports and so on. Class 300, class 400, class 600, class 900, class 1500. Slipon flange lap joint flange welding neck flange blind flange screwed end flange socket welding flange flange faces provided. Design, bulletin 502, edition vii, southfield, michigan. Asme rtp12015 revision of asme rtp120 reinforced thermoset plastic corrosionresistant equipment an american national standard two park avenue. Flange dimensions were based on the manufacturers standardization society standard practice mss sp 44 flanges, except for class 75 flanges that are ansiapi 605 flanges.
Ravg average stress to cause rupture in 100,000 hours at design temperature. Efficient asme appendix 2 flange design software paul daniel 20190314t. Pressure points the official newsletter of hsb global. Engineering and manufacturing computer action games usage engineering design methods technology application flanges design and construction mechanical properties pressure vessels. Jan 01, 2009 the design specifications the bench mark problem are design pressure 1 mpa, design temperature 150degreesc, flange material is. Full direct control through critical data panel system allows for checks on a current basis the whole design correctness. Design rules for gasketed circular flange connections. Anumber in parentheses indicates the year of last reapproval. Annex g alternative design rules for flanges and gasketed flange connections. We can perform nondestructive examinations on welds and on overlays, such. Raised face flat face ring type joint tongue and groove male and female din flange summary chart rated pressure in bar 1 bar 14. Class 1500 flanges were deleted due to a lack of interest in using large size flanges in that pressuretemperature rating. The procedure in asme bpvc section viii includes consideration of the moment due to the flange bolts, so the required bolt load for boltup and operation must be determined per the flange design rules of appendix 2 of asme bpvc section viii.
Modern flange design bulletin 502 taylor forge pdf led into the taylor forge publication modern flange design. When designing a blind flange, the rules of asme bpvc section viii, division 1, most blind flanges are in accordance with listed standards, such as asme b16. Kilkenny president traditionally dependable modern flange design bulletin 502 documents similar to modern flange design taylor forge engineered products. Dimensions of rtj orifice weld neck flanges class 1500. Slipon flange o d y r r welding neck flange blind flange 150 lbs nominal flange dia of length through hub dia of bore pipe dia bolt no. Modern flange design, taylor forge bulletin 502 used for full face gasketed flanges not covered by asme viii1 appendix 2. Oct 15, 2015 however a separate analysis for the non standard flange can be performed using the component design option and designing a custom flange. Open flange with 2 5mm pins for 1116 od closet rods. The general philosophy underlying this power piping code is to parallel those provisions of section i, power boilers, of the asme boiler and pressure vessel code, as they can be applied to power piping systems. The wellknown taylor forge bulletin 502 modern flange design contained an equation to. Taylor forge modern flange design bulletin 502 yield.
Reinforced thermoset plastic corrosionresistant equipment. Report by international journal of applied engineering research. I have been using for years taylor forge bulletyn 502 modern flange design. All the user needs to do is input the flange geometry, bolting, pressure and modulus of elasticity. Excessive bolt spacing can result in a flange that is more prone to leakage. The results of the design can be noted from the figures 7 and 8. Part 1 flange connection designers are confronted with a growing number of standards, regulations, and templates. This is based on the design of the flange and design of the piping system.
A flanged joint is composed of the following elements. Technical drawing, dimensions and weight details of asme b16. The power piping code as currently written does not differentiate among the design, fabrication, and erection requirements for critical and noncritical piping systems, except for certain stress calculations and mandatory nondestructive tests of welds for heavy wall, high temperature. Industry immediately accepted this convenient system of flangedesign and used it worldwide. Above room temperature, the value used is the lower of the room and at temperature values. 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 allowable stress values for power piping are generally consistent with those assigned for power boilers. Modern flange design taylor forge engineered products. How to design nonstandard flanges on standard nozzles.
All other dimensions are in accordance with asme b16. Several editions were published since my students years. This is where the compress flange design wizard comes in. It creates optimized appendix 2 custom or body flange designs with minimal time and effort. Flange dimensions shall be such that the stresses in the flange, calculated in accordance with 27, do not exceed the allowable stresses specified in 28. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing.
In such a case, however, the software will neither check. Scribd is the worlds largest social reading and publishing site. The length of the stud bolt does not include the height of the. The flange simply slides onto the pipe where two fillet welds, one on the outside and the other on the inside, seal and fasten the connection. Class 75 through class 1500 for the size range nps 26 through nps 60. The merit brass slipon flange is a class 150 stainless steel 304304l pipe fitting used to join two sections of a piping system. Pressure vessel calculations, codes and ug22 codeware. Issue23 annex g alternative design rules for flanges. A flange, abbreviated as flg, is a bolted connection where two pieces of pipe, equipment, fittings or valves are connected together to form a piping system. Btw, for others who are interested, bulletin 502, modern flange design covers the design of flanges per the asme viii1 rules and the design of fullfaced gasket flanges, as well as a wealth of other good information regarding bolting, flange stresses, gasketing, etc. Home compress, inspect pressure vessel calculations, codes and ug22. Pdf the design of flanges based on flexibility and tightness. The poor leakage performance of flanges with full face gaskets is attributed to the low reliability of the existing design methods, and in particular.
Ring joint flanges larger than nps 6 will require angular meter taps. D outside diameter of flange, b bore diameter of weld neck flange, t minimum thickness of flange, h length through hub of weld neck flange. Every day we ship all types of flanges from our comprehensive flange warehouse. Efficient asme appendix 2 flange design software codeware. Integrity evaluation of duplex stainless steel flanges. Several reference positions in the bibliography section of this bulletin may assist you.
Ragnar gjengedal, bergen university college hib orjan fyllingen, bergen university college hib department of engineering design and materials. At the request of the american petroleum institute api, flange dimensions, in accordance. Drm is included at the request of the publisher, as it helps them protect their by. Effect of bolt spacing on the circumferential distribution of the. In the body flange dialog there is a button to retrieve the dimensions of a standard flange see below.
Dimensions are in millimeters, except for bolts and bolt holes. Slip on flanges are popular lowcost flange type for low pressure applications. Dimensions d, b, t and h refer to the basic flange dimensions. Pressure vessels require flanged joints to permit their disassembly. Material which we have on stock, ready for your demands. Din flanges summary chart rated pressure in bar 1 bar 14. Design integration for nonstandard flanges for pressure vessels.
To test the quality of a weld, we perform destructive and nondestructive testing methods to verify that welds are free of defects, have stresses and distortion, and have acceptable heataffected zone haz properties. The length of the ball bar is equal to the shortest length of the three axis. A new approach to model bolted flange joints with full face gaskets. 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. To produce a complete set of pressure vessel calculations that comply with both customers specifications and asme viii, paragraph ug22, a number of additional engineering references are needed.
When designing a blind flange, the rules of asme bpvc section viii, division 1. One consequence of designing appendix y flanges is that the. Bolted flange joints are part of pressure vessel and piping components and are extensively used in the chemical. The subject of full face flange design is limited to the work conducted by very few researchers. To have a basis of comparison, the flange was initially designed per appendix 2, assuming no contact outside the bolt circle. Asme rtp12015 revision of asme rtp120 reinforced thermoset plastic corrosionresistant equipment an american national standard two park avenue new york, ny 10016 usa. For appendix y, the flange was calculated as both a loose and integral type.
Flanges provide access for when equipment or piping needs to be cleaned, inspected or reconfigured. Maass flange corporation usa 6202 lumberdale road houston texas 77092 phone. It was also calculated per wrc bulletin 314 with a fullface gasket. Results were obtained by laboratory testing in accordance with ansi bhma a156. Pressure points the official newsletter of hsb global standards. Dimension of pipe flanges as per table bs 10 table d. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. Raised face flanges rf flat face flanges ff ring type joint flanges rtj general pipe flange standards. This slipon flange has bolt holes to connect to flat surfaces or other flanges and can be used instead of weld neck flanges to reduce cost or conserve space. However a separate analysis for the non standard flange can be performed using the component design option and designing a custom flange. Bolted flange design according to asme section viii division 1. Class 1503006001500 2500 din pn 6 welding necksliponblind flanges. Ohmtech as stavanger, norway software for mechanical design. Design integration for nonstandard flanges for pressure.
At the request of the american petroleum institute api, flange dimensions, in accordance with the api standard 605, were included in the subsequent drafts. Bs en 15912 details generic gasket parameters for use in bs en 15911 during preliminary calculations during which the type of gasket to be used in an application is to be decided. Read, highlight, and take notes, across web, tablet, and phone. Secure pdf files include digital rights management drm software.