Ansi flange dimension pdf

Standard bore will be furnished unless otherwise specified. Flange od a mm length thru hub bolt drilling flange thickness d mm bore sow sw b mm raised face diam. It should be noted that some soft seated valves such as knife gate, rubber lined butter. G mm wn blind sow sw nominal size class 300 flanges to asme b16. Lap joint flange class 150 inches pounds service metal. To order a reducing flange, state the smaller size first, then the outside diameter of the larger size. The pt ratings from en 10921 apply only for flange types 05, 11, 12, and 21 having nominal sizes up to and including dn. Flange dimensions are determined by the pipe size and the pressure class required for the application. Ansi chart cast and ductile iron flange chart dimensions. Ansi class 150 ansi class 300 dn inch d hcd d bolt n d hcd d bolt n inch inch 25 1 108 80 16 12 4 124. The ansi flanges in the class 600 specification cover slipons, weld necks, lap joints, blinds, threaded and socket weld flanges. Din flanges en flanges asme flanges jis flanges german national standards institute european standards america society of mechanical engineers japanese industrial standard din 2527 din en 10921. Cast iron flanges stud reference chart the number, diameter and length of studs for cast iron flanges class 125 and 250.

Class 1503006001500 2500 din pn 6 welding necksliponblind flanges. Thickness mm inch d b2 b1 b2 b1 t y t2 x h n k g f kg 15 20 25 32 40 1. December 2016 ductile iron pipe flanges and flanged fittings, classes 150 and 300. Din en 10922 cast iron flanges, for pn 63100 din en 10921 steel flange standards are referred to. This dimension is commonly associated with true lap joints. These flanges will be furnished with a 116 raised face unless otherwise specified. Raised face flat face ring type joint tongue and groove male and female din flange summary chart rated pressure in bar 1 bar 14. Dimensions for class 300 flanges thermometrics corp. For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter, 8 holes is preferred however 4 holes may be supplied upon special request by the purchaser. Coastal flange stocks import and domestic ansi b16. Technical data jersey village, texas coastal flange. Ansi flanges for class 600 are provided by coastal flange as forgings unless otherwise specified. Din based flanges only and en1759 now specifies ansi asme based flanges.

Flange tolerance pdf 296kb welding ends pdf 447kb ring joint flanges pdf 146kb print this page email this page. The thickness of integral flanges such as on valves is the same as weld neck in pn16 to pn100 up to 600nb. Flanges are standardized according publications from organizations like asme, mss, api and others. Weights are based on manufacturers data and are approximate. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. Cast iron flanges asme ansi class 250 asme ansi b16. Ansi flanges for class 150 are provided by coastal flange as forgings unless otherwise specified. The length of useful thread b plus threads with fully formed roots and flat crests shall not be less than l2 effective length of external thread required by american national standard for pipe threads ansiasme b1. Flanges are commonly used to connect valves into pipework making it easier for removal and maintenance. Flanges are furnished faced, drilled and spot faced or back faced. Ansi flanges are available at coastal flange in class 600. Ansi flanges are available at coastal flange in class 150. Values in inches are converted to values in millimeters using the factor 2.

Carbon steel flanges mechanical properties and chemistry conform to astm a105. Flanges dimensions and technical data flange weight ansi. Class 150 threaded flanges are made without a counterbore. 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. The ansi flanges in the class 150 specification cover slipons, weld necks, lap joints, blinds, threaded and socket weld flanges. Pn 16 flanges din en 10921 flangesforgingsflangeforging. Class 150, class 300, class 600, class 900, class 1500 and class 2500 wn rtj flange dimensions. American ductile iron flanged fittings ansiawwa c110a21. Stainless steel flanges, carbon steel forged flanges 15 nb. Industry standard is to make to the slip on length through the hub.

Blind flange dimensions class 300, 400, 600, 900, 1500, 2500 up to 24 inch asme b16. The only exceptions are small male and female plain face threaded flanges which use npsl recount threads. Or, to simplify, just state the actual pipe sizes in order of larger to smaller. Mss sp44 is the only source for the nps 22 flange dimensions above. Ansi flange dimension chart warren electric corporation. Class 400 series a dimensions at nps 38 and larger also apply to class 400 series b flanges. Blind flange click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions ansi b16. The mm values are rounded off to the nearest 0 or 5 in the asme standard. Bore diameter std bore diameter xs thickness socket depth total thickness diam. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. G mm wn blind sow sw nominal size class 150 flanges to asme b16. Class 400 and 600 steel nominal flange flange diameter of pipe diameter thickness raised face size a b c 4 10 1% 63.