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CNS Forged Steel Flange Valve

Technical Parameters

Product model: Z41H
Nominal diameter: DN15~50mm
Nominal pressure: Pn1.0 ~10.0MPa
Main material: A105, LF2, F5, F11, F22, F304,F316, F304L,F316L
Design and manufacture: GB12234GB1221GB9131
Structure length: JB/T74
Connecting flange: GB9112 ~ 9131
Pressure-temperature: HGJ67JB/T74 ~ 90
Test and inspection: HGJ44 ~ 76JB/T9092

Product Details

Overview

Z41H GB Forged Steel Flange Valve produced and sold by Baigang valve group has three kinds of bonnet design, the first is a bolt-type valve bonnet, connected by concave and convex surface, stainless steel with flexible graphite spiral wound gasket, ring can also be used on request connection, the second is the welding bonnet, Sealing by thread after welding, according to demand can also be directly used rigid welding, the third is self-sealing bonnet, threaded and self-sealing bonnet connection.

Main overall connection dimensions
(PN6.4MPa)

DN (mm)	L	D	D1	D2	bf	z-φd	H
15	170	105	75	55	18-2	4-φ14	185
20	190	125	90	68	20-2	4-φ18	200
25	210	135	100	78	22-2	4-φ18	225
32	230	150	110	82	24-2	4-φ23	380
40	240	165	125	95	24-3	4-φ23	300
50	250	175	135	105	26-3	4-φ23	360

(PN1.0MPa)

DN (mm)	L	D	D1	D2	bf	z-φd	H
15	170	105	75	55	20-2	4-φ14	185
20	190	125	90	68	22-2	4-φ18	200
25	210	135	100	78	24-2	4-φ18	225
32	230	150	110	82	24-2	4-φ23	380
40	240	165	125	95	26-3	4-φ23	300
50	250	196	145	112	28-3	4-φ25	360