GB swing check valve

Products > Check valve > GB swing check valve

GB swing check valve

Model: H44H / W
Nominal diameter: DN50 ~ 800 mm
Nominal pressure: PN1.6 ~ 16.0MPa
Operating temperature: -196 ℃ ~ + 550 ℃
Main material: carbon steel, stainless steel
Suitable medium: water, steam, oil, nitric acid, acetic
Design and manufacture: GB12236
Structural length: GB12221
Connecting flange: JB / T79-1994
Test and inspection: JB / T9092-1999
Contact purchase
shared:

National Standard Swing Check Valve Uses and Features

H44H / W Swing check valve is designed and manufactured in strict accordance with GB12236 standard. The pin shaft is connected with the valve flap with built-in structure, excellent performance and more reliable sealing. Products are widely used in petroleum, chemical, pharmaceutical, power industry and other conditions of the pipeline.
 

National Standard Swing Check Valve main performance specifications

test pressureNominal pressure (MPa)
1.62.54.06.410.0
Shell test2.43.86.09.615.0
Seal test1.82.84.47.111.0
Body materialWCB (C)CF8 (P)CF 8M (R)WC6WC9
Operating temperature≤ 425≤ 100≤ 100≤ 550≤ 550
Suitable mediaWater, steam, oilNitric acidsAcetic acidsteamsteam


 GB Qi Kai check valve implementation of standards

Design and manufacture: GB12236   
 structure length: GB12221     
 connecting flange: JB / T79-1994    
 test and inspection: JB / T9092-1999
 

GB Qi Kai check valve main connection and dimensions and weight

PN
DNMain connection size (mm)H44 dimensionsWeight 
(kg)
mmLDD1D2bfz-φdH
2.0Mpa
       
50203152120.592161.64-1916517
65216178139.510517.51.64-1917525
80241190152.512719.51.64-1919029
100292229190.5157241.68-1921550
125330254216186241.68-2224575
150356279241.521625.51.68-2226585
200495343298.5270291.68-22320150
25062240636232430.51.612-25365240
300698483432381321.612-25415350
350787533476413351.612-29460460
400864597540470371.616-29495580
500978698635584431.620-32590840
6001295813749.5692481.620-356501140
7001448927863.580071.51.628-35

5.0MPa
502671651279222.51.68-1919028
6529219014910525.51.68-2220533
8031821016812728 51.68-2222045
100356254200157321.68-2224570
125400279235186351.68-22275110
15044431827021636.51.612-22295150
20053338133027041.51.612.25330230
250622444387.5324481.616-29420390
300711521451381511.616-32480520
350838584514.5413541.620-32535710
400864648571.547057.51.620-35585890
5001016775686584.563.51.624-356851360
6001364914.5813692.5701.624-417852040
10.0MPa5029216512792266.48-1921032
65330190149100296.48-2223042
80356210168127326.48-2225560
100432273216157386.48-2529595
125508330266.5186456.48-29310120
150559355.529221647.56.412-29365220
200660419.5349270566.412-32420390
25078750843232463.56.416-35505630
30083855948938166.56.420-35545870
350889603.55274137106.420-38600940
40099168660347076.56.420-416501100