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Current Post-->GB Lifting Check Valve

GB Lifting Check Valve
H41H型国标升降式止回阀
Name:GB lifting check valve Type:H41H

Nominal Dimension:DN25-DN300

Design Standard:GB/T12235
Nominal Pressure:PN16/25 Face to face dimension:GB/T12221
Suitable Medium:water、oil、gas etc Flange Connection:GB/T9113
Suitable Temperature:-10°C-350°C Pressure Standard:GB/T13927
主要零部件材质Main Spare Part Material Quality
零部件名称 材料编号
阀体body WCB,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti
阀盖valve cover 25,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti
阀瓣disc WCB,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti
阀座seat 25,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti
垫片filling piece 包覆垫 cable pad
主要外形尺寸及连接尺寸 Outline Dimensions and Connection Dimensions
公称压力
(Mpa)
规格DN 尺寸Size
L D D1 D2 n-d H
PN1.6 25 160 115 85 65 4-14 80
32 180 135 100 78 4-18 85
40 200 145 110 85 4-18 95
50 230 160 125 100 4-18 105
65 290 180 145 120 4-18 120
80 310 195 160 135 8-18 130
100 350 215 180 155 8-18 140
125 400 245 210 185 8-18 155
150 480 280 240 210 8-23 180
200 600 335 295 265 12-23 215
250 730 405 355 320 12-25 260
300 850 460 410 375 12-25 315
PN2.5 20 160 115 85 65 4-14 80
32 180 135 100 78 4-18 120
40 200 145 110 85 4-18 140
50 230 160 125 100 4-18 145
65 290 180 145 120 8-18 160
80 310 195 160 135 8-18 170
100 350 230 190 160 8-23 195
125 400 270 220 188 8-25 222
150 480 300 250 218 8-25 255
200 600 360 310 278 12-25 312
250 730 425 370 332 12-30 355
300 850 485 430 390 16-30 410
GB Lifting Check Valve
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