This standard covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flange and flanged fittings. Pn 25 flanges din en 10921 dimensions of pn 25 flanges din. Flange dimensions are determined by the pipe size and the pressure class required for the application. Pdf asme ansi b16 1 cast iron pipe flanges and flanged.
These fittings have identical face to face and center to face dimensions and the same flange drilling as ansi b16. Flange dimensions jis d flange diameter n number of bolt holes hcd hole circle diameter d diameter of bolt holes jis 5k jis 10k jis 16k jis 20k dn inch d hcd d bolt n d hcd d bolt n d hcd d bolt n d hcd d bolt n mm mm mm mm 15 12 80 60 12 m10 4 95 70 15 m12 4 95 70 15 m12 4 95 70 15 m12 4. To order a reducing flange, state the smaller size first, then the outside diameter of the larger size. Our company offers a wide range of flanges like pl, sw, bl, wn,so,lj, asme ansi b16. Slip on this is slipped over the pipe and then fillet welded. The design principles of iso and kf seals are identical. They share the same underlying principle as the qf kf or nw flange series in that two smoothfaced sexless flanges clamp together with a sealing device between them.
Pn 16 flanges din en 10921 dimensions of pn 16 flanges. Vacuum flanges several vacuum flange standards exist with. Our range of flanges finds application in industries like engineering, construction, chemical, oil field and power plant. Browse blind flanges din pn10 stainless steel in the world wide metric, inc. Cast iron flanges stud reference chart the number, diameter and length of studs for cast iron flanges class 125 and 250.
This practical feature facilitates installation and implementation for the. Dimensions n1, n2 and n3 are measured at the intersection of the hub draft angle and the back face of the flange. For d1 dimensions see document flange facing according to din en 10921. Shree steel india is an international supplier of weld neck flanges. Quick reference flange chart pn6 5k 125 lbs pn10 10k 150 lbs pn16 16k 300 lbs pn25 20k 300 lbs pn40 40k 600 lbs o. Class 1503006001500 2500 din pn 6 welding necksliponblind flanges. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. Dimensions for class 300 flanges the following charts are for.
The bores of both pipe and flange match thus reducing turbulence and erosion. Flange to the old din standard are compatible to the new din en 10921. Reducing flanges are available in all types and pressures. Industry standard is to make to the slip on length through the hub. Flange tolerance pdf 296kb welding ends pdf 447kb ring joint flanges pdf 146kb print this page email this page. Dimension of pipe flanges as per table bs 10 table d. Flanges are standardized according publications from organizations like asme, mss, api and others. Flanges are furnished faced, drilled and spot faced or back faced. Dimensions of din 2632 pn10 flanges 26 350 68 6,3 16 430 12 16 3 7,1 12 68 385 7,1 12 320 16 482 m 24 26 m 20 22 400 565 26 515 72 440 mayapple international industrial limited dustrial. Weld neck flange dimensions class 150 to class 2500. Dimensions weight kg dn nps flange od a mm length thru hub bolt drilling flange thickness d mm bore sow sw b mm raised face diam. Nominal pipe size outside diameter o thickness t raised face diameter r length thru hub y point of weld a hub diameter x bore b number of holes diameter of. Class 150, class 300, class 600, class 900, class 1500 and class 2500 wn rtj flange dimensions. Carbon steel flanges mechanical properties and chemistry conform to astm a105.
Vacuum flanges several vacuum flange standards exist with differences in ultimate attainable pressure, size, and ease of attachment. Sizes nps 12 through 312 are same as class 600 flanges. Blind sometimes called a blanking flange, this is used for blanking off pipelines, valves and pumps and as an inspection cover. Weights are based on manufacturers data and are approximate. Standard bore will be furnished unless otherwise specified. Flange dimensions large class 150 30 thru 48 phone. Iso flanges also called large iso have a sexless design and are made from 304l stainless or aluminum. Slipon plate flanges od and drilling for 12 through 24 pipe sizes per asmeansi b16. This table is intended for estimating purposes only. Holes 125 din 240 200 8 x 18 250 210 8 x 18 250 210 8 x 18 270 220 8 x 26 270 220 8 x 26 jis 235 200 8 x 19 250 210 8 x 23 270 225 8 x 25 270 225 8 x 25 300 250. Cast iron flanges asme ansi class 250 asme ansi b16.
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. Iso flanges conform to the vacuum flange standards issued by the international standards organization iso. Mss sp44 is the only source for the nps 22 flange dimensions above. Blind flanges din pn10 stainless steel on world wide metric, inc. Flange weights, dimensions and working pressures prochem. Cast iron soil pipes dimensions dimensions of cast iron soil pipes. Din flanges en flanges asme flanges jis flanges german national standards institute european standards america society of mechanical engineers japanese industrial standard din 2527. Technical data jersey village, texas coastal flange. Long welding neck flanges catalogue hydraulic and offshore. Ansi flange dimension chart warren electric corporation. Bolted flange design according to asme section viii division 1.
Weld neck flange dimensions are covered in asme b16. This dimension is commonly associated with true lap joints. With regard to their stabilitytemperature property, the material s 1. These flanges are highly durable, corrosion resistant and reliable. The other sizes and pressure ratings are available with a lead time. 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.
It should be noted that some soft seated valves such as knife gate, rubber lined butter. Rotatable flanged fittings dn 40 to 600 saintgobain pam. Nipoflange nipoflange manufacturer nipoflange supplier. The weld neck flanges manufactured in stainless steel and duplex steel, we also manufacture weld neck flanges at our other factory in vapi, gujarat. Weld neck 10 150 lb flange dimensions are covered in asme b16. 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.
Where we also manufacture weld neck flanges and stainless steel welding neck flange, slipon flange, blind flange, high hub blind. Carbon steel pipe flanges dimensions and weights atlas steels. Ansi chart cast and ductile iron flange chart dimensions. G mm wn blind sow sw nominal size class 150 flanges to asme b16. Rtj face dimensions and flange tolerances pdf for printing. Dimensions for class 300 flanges thermometrics corp. The resulting 1939 edition contained standards for welding neck flanges com pleted in march 1937, 1,500lb flanges in the 14in. Welding necks longer than listed are available in all sizes on special order. Jis b2220 5k flange standard dimensions china hebei haihao. Haihao flange factory manufacture jis b2220 5k flanges in the dimensions 10a1500a,our flange products contain weld neck flange,slip on flange,blind flange etc.
Each specification further delineates flanges into pressure classes. These flange fittings are generally used in vacuum components in the low and medium vacuum range and can be found on a. Nominal pipe size outside diameter of flange thickness of flange diameter of raised face diameter of hub at base length thru hub diameter or bore diameter of. Dimensions of din 2634 pn25 flanges 15 95 16 65 38 2 4 6 raised face rated flange screws diam eter d1 neck mayapple international industrial limited dustrial. Din flanges summary chart rated pressure in bar 1 bar 14. To order a reducing flange, state the smaller size first, then. Rtj face dimensions and flange tolerances texas flange. These flanges will be furnished with a 116 raised face unless otherwise specified. Flange dimension charts for class 150, class 300, class 600, class 900, class 1500 and class 2500 free. Each flange face is counterbored or grooved to receive a metal centering ring with an elastomeric oring around its o. Cast iron threaded pipe fittings working pressures maximum working pressures for cast iron threaded pipe fittings according ansi b16. Email this page download pdf download pdf printable page.