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National standard forged steel flange vertical check valve H42H

National standard forged steel flange vertical check valve H42H

Bolt/welded connection valve cover, reduced diameter and full diameter

The end connection is a flange, designed according to GB/T12224


Product drawing

H41Product drawing.png

Product dimensions

PN16/25 RF

DNNPS（inch）ØdLH(open)ØWABCTFn-Ø

151/2″10.51301581004565901624-14

203/4″1315016010058751051824-14

251″17.516019812568851151824-14

321 1/4″24180226160781001401824-18

401 1/2″29200246160881101501834-18

502″36.52302901801021251652034-18

PN40 FM
DNNPS（inch）ØdLH(open)ØWABCdTff2n-Ø
151/2″10.51301581004565904016244-14
203/4″1315016010058751055118244-14
251″17.516019812568851155818244-14
321 1/4″24180226160781001406618244-18
401 1/2″29200246160881101507618344-18
502″36.52302901801021251658820344-18

Technical Documentation

1. Design and Manufacturing: JB/T7746; GB/T12224

2. Structural length: JB/T7746 or customer requirements

3. Flange end size: GB/T9113, JB/T82.1-82.4

4. Inspection and Testing: JB/T9092; GB/T26480

5. Structural features: B · B (central bolt) W · B (central welding) Flow rate: Full diameter (FP) Shrinking diameter (RP)

6. Subject material：A105N,LF2,LF3,F11,F5,F22,F304,F304L.F316,F316L,F321H,F51,F53,F55,F91,F92,F347,310S,800H, 600625 Special materials, etc




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