CNS forged steel flange gate valve

CNS forged steel flange gate valve

Product model: Z41H
Nominal diameter: DN15~50mm
Nominal pressure: PN1.0~10.0MPa
Main materials: A105, LF2, F5, F11, F22, F304, F316, F304L, F316L
Design and manufacturing: JB/T7746
Connection end size: JB/T79; GB/T12221
Flange end size: JB/T82.1~82.4 HG/T20592 GB/T9113
Structural characteristics: B.B or W.B; OS&Y - Reduced Bore (R.P)

Inspection and testing: GB/T13927; GB/T26480


Overview

Z41H CNS 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

PN

 DN(mm)

 15

 20

 25

 32

 40

 50

 65

1.6-10.0

 d

 10

 12.7

 19.1

 24

 31.8

 38.1

 50.8

1.6-4.0

 L

 130

 150

 160

 180

 200

 230

 290

6.4-10.0

170

190

210

230

260

300

340

1.6-10.0

H

162

 162

 211

 238

 257

 282

 357

1.6-10.0

W

100

100

125

125

160

180

 200