Vertical flange check valve

Short Description:

This vertical flange check valve product is widely used in petroleum, chemical, as long as, power industry and other working conditions of the pipeline. The valve disc moves up and down along the center. The bushing is made of special material with good wear resistance and small friction coefficient, which is flexible and reliable and has excellent sealing performance.


Product Detail

Product Tags

Executive standard for vertical flange check valve

Product specification design code Structural length Connecting flange Test and inspection
GB/T12235 GB/T12221 JB/T79、EN1092-1/2、ASME B16.5/B16.47 JB/T9092、API598

Main performance specifications

Test pressure Nominal pressure
16 25 40
Shell test 2.4 3.8 6.0
Sealing test 1.8 2.8 4.4
body material WCB(C) CF8(P) CF8M(R) WC6 WC9
working temperature ≤425℃ ≤100℃ ≤100℃ ≤550℃ ≤550℃
Applicable media Water, steam, oil Nitric acid Acetic acid Water and steam Water and steam

Main dimensions of vertical flange check valve                                                                                       PN1.6~4.0MPa

H42H-16P/R/PL/RL
DN(mm) 15 20 25 32 40 50 65 80 100 125 150 200
L 105 105 105 150 160 170 180 200 210 275 300 380
D 95 105 115 135 145 160 180 195 215 245 280 335
H42H-25P/R/PL/RL
DN(mm) 20 25 32 40 50 65 80 100 125 150 200
L 105 105 150 160 170 180 200 210 275 300 380
D 105 115 135 145 160 180 195 215 275 300 360
H42H-40P/R/PL/RL
DN(mm) 50 65 80 100 125 150 200
L 170 180 200 210 275 300 380
D 160 180 195 230 270 300 375

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