Iso flanges are made from argon oxygen decarburization aod 304 stainless steel. If the standard of the bolt pattern is not known, the pattern must be measured. In this article, i have covered flange bolt chart and flange stud size. Nominal pipe size diameter of bolt circle diameter of bolt holes number of bolts diameter of bolts length of bolts1. Ansi chart cast and ductile iron flange chart dimensions. Lap joint weld neck socket weld blind threaded slipon dimensions are in inches a bolt hole diameter 18 larger than bolt diameter b standard bore dimensions provided.
Table with dimensions of stud bolts used with raised face and ring type joint. Sud bolt lengths l do not include the height of points. Flanges are furnished faced, drilled and spot faced or back faced. For standard ansi flanges flange designation bolt qty. Outer envelope shape may vary due to size configuration. Flange to flange connections require a bolt kit and gasket.
Flanges are standardized according publications from. Sizes nps 12 through 312 are same as class 600 flanges. Standard bore will be furnished unless otherwise specified. Class 400 series a dimensions at nps 38 and larger also apply to class 400 series b flanges. Machine bolt lengths l include the height of point. Carbon steel flanges mechanical properties and chemistry conform to astm a105. Sizes above are in reference to pvc and cpvc flanges. Of studs diameter of studs raised face flange stud length ring joint flange stud length 12 4 12 78 214 34 4 12 78 212 1 4 12 78. It should be noted that some soft seated valves such as knife gate, rubber lined butter. Our company offers a wide range of flanges like pl, sw, bl, wn,so,lj, asmeansi b16. How to specify hydraulic flanges main manufacturing. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. High pressure hydraulic flanges introduction the 4 bolt flange connections conforming to sae j518 and iso 61621 and 2 are proven, leakfree connections, especially suited for larger sizes, high pressures and assembly in tight quarters. Flange bolting chart texas flange flanges steel flanges.
The length shown includes the height of the raised face in all cases. Dimensions of din 2633 pn16 flanges 12 16 82 390 8 12 16 250 405 26 355 70 6,3 320 mayapple international industrial limited dustrial. Bolt kits are intended for pvc to pvc or cpvc to cpvc flange connections. Threaded port connections such as sae straight thread oring and iso 6149 are reasonably easy to. Bolt sizes for ansi 150 to 1500 class flanges dimensions inches ansiasme 150 600 lb flange size 150 lb 116 raised face 300 lb 116 raised face 400 lb 14 raised face 600 lb 194 raised face nominal pipe size in number of bolts diameter of bolts in length of headed bolts in length of stud bolts in number of bolts. Diameter and lengths of the stud and bolt are covered in flange standard asme b16. Bolt lengths should be checked for the thicker flanges shown in some individual valve description pages. Pn 10 flanges en 10921 manufacturers suppliers exporters.
Stud bolt sizes for ansi asme api flanges global supply line. Optional fastener or nonrotatable flang es with clearance bolt holes. Click on images for flanges dimensions weld neck flanges dimensions, weld neck flanges dimensions class 300, weld neck flanges dimensions 600, weld neck flanges dimensions chart, weld neck flanges dimensions pdf, weld neck flanges dimensions class 900, weld neck flanges dimensions class 1500, weld neck flanges dimensions in mm, weld neck flanges. Nps 12 through nps 24 metricinch standard covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and flanged fittings. These flanges are highly durable, corrosion resistant and reliable. Bolt kits include 4 12 bolts, one nut per bolt, and two washers per bolt. These flanges will be furnished with a 116 raised face unless otherwise specified. In pressure classes 400, 600, 900, 1500 and 2500, the height of. Carbon steel pipe flanges dimensions and weights atlas steels. There are many common flange standards and flanges within the same standard can etiher be flat commonly cast iron, ductile iron or raised face commonly cast steel and stainless steel. Flanges are standardized according publications from organizations like asme, mss, api and others.
Flange bolt chart and flange stud size in mm hardhat engineer. Flange dimensions are determined by the pipe size and the pressure class required for the application. Bolt specifications for standard ansi flanges cont. Weights are based on manufacturers data and are approximate. Flanges nom pipe size diameter of bolt circle diameter of bolts number of bolts length of studs 116 raised face bolt length 0. Texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the. Customary units with diameter of bolts and flange bolt holes expressed in inch units. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. This material is certified to meet astm240 and has less than 0. Flanges are commonly used to connect valves into pipework making it easier for removal and maintenance. Our range of flanges finds application in industries like engineering, construction, chemical, oil field and. Flanges and bolt dimensions class 150 to 2500 asmeansi b16. Bolt lengths are for flanges of thickness shown herein.
Dimensions in inches of weld neck flanges and stud bolts. Bolt sizes for ansi 150 to 1500 class flanges dimensions inches ansiasme 150 600 lb. Bolt specifications for standard ansi flanges fastorq. Jis b2220 is basically interchangeable with ks b1503. Sae j5181 code 61 flanges are sometimes nominally referred to as 3000 psi flanges even though the maximum rated working pressure varies from 5000 psi to 500 psi depending on size.
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