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Check Valve
A:Wafer Type Dual Plate Check Valve

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We manufacture top quality Wafer Type Dual Plate Check Valve made from cast iron, cast steel and stainless steel. Wafer Type Dual Plate Check Valves offered by us can be availed in various types like dual plate; single disc type and non slam check valves to meet the different requirements of the customers. We are identified as one of the celebrated Wafer Check Valves Suppliers in China.

Wafer body style fits between FF or RF flanges
Upper and lower PTFE thrust washers
Dual plate Valves give maximum strength with minimum opening time
Torsion springs assist Valve closure, preventing flow reversal
Thrust washer reduce friction and wear of Valve plate hinges


Technical Data

Size DN40-DN800
Working Pressure PN10/PN16
Face to Face DIN 3202-K3
Flange Drilling ANSI B16.1 Class125,EN1092-PN10/PN16
Inspection and Test API 598

﹡For all available general design, face to face standard and flange drilling,please kindly contact CNBM directly.


Materials of Parts

Parts Description Material
1 Body Cast Iron/Ductile Iron/WCB
2 Disc Stainless Steel/Bronze/Ductile Iron
3 Shaft Stainless Steel
4 Spring Stainless Steel
5 Washer PTFE
6 Seat EPDM/NBR
7 Gasket PTFE
8 Hex Nut Cast Steel

﹡For other material request,please kindly contact CNBM directly.


Dimensions

Size L D D1 D2 R
DN NPS DIN PN10 DIN PN16
40 1-1/2" 43 78 78 57 / 25
50 2" 43 107 107 65 40 27
65 2-1/2" 46 127 127 80 60 35
80 3" 64 142 142 94 70 42
100 4" 64 162 162 117 88 50
125 5" 70 192 192 145 115 64
150 6" 76 218 218 171 134 77
200 8" 89 273 273 224 182 102.5
250 10" 114 328 328 265 220 125
300 12" 114 378 378 310 260 146
350 14" 127 438 444 360 298 170
400 16" 140 489 489 410 350 195
450 18" 152 539 555 450 385 215
500 20" 152 594 617 505 438 238
600 24" 178 695 734 624.5 538 292
700 28" 229 810 804 720 662 345
800 32" 241 917 911 825 762 394

B:Swing Check Valve

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We manufacture top quality Swing Check Valve made from cast iron, cast steel and stainless steel. Swing Check Valve offered by us can be availed in various types like dual plate; single disc type and non slam check valves to meet the different requirements of the customers. We are identified as one of the celebrated Swing Check Valve Suppliers in China.


Full port
Bolted cover
Suitable for both horizontal and vertical installation


Technical Data

Size DN40-DN600
Face to Face DIN 3202 F6
Flange Drilling EN 1092-2 PN16
Inspection and Test ISO 5208

﹡For all available general design, face to face standard and flange drilling,please kindly contact CNBM directly.


Materials of Parts

Parts Description Material
1 Body GG25
2 Seat Ring Brass
3 Disc Ring Brass/EPDM
4 Disc GG25
5 Hanger GGG50
6 Hanger Pin Stainless Steel
8 Cover Gasket Graphite with Soft steel
9 Cover GG25

﹡For other material request,please kindly contact CNBM directly.


Dimensions

Size(DN) L D D1 D2 b n-d H W.T(kg)
40 180 150 110 84 18 4-19 110 9
50 200 165 125 99 20 4-19 130 13.4
65 240 185 145 118 20 4-19 140 17.7
80 260 200 160 132 22 8-19 150 20.8
100 300 220 180 156 24 8-19 160 29.3
125 350 250 210 184 26 8-19 190 47
150 400 285 240 211 26 8-23 210 67
200 500 340 295 266 30 12-23 250 118.7
250 600 405 355 319 32 12-28 310 171.9
300 700 460 410 370 32 12-28 340 232.5
350 800 520 470 429 36 16-28 450 330
400 900 580 525 480 38 16-31 520 460
450 100 640 585 548 40 20-31 550 580
500 1100 715 650 609 42 20-34 590 700
600 1300 840 770 720 48 20-37 680 780

C:API Check Valve

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We manufacture top quality API Check Valve made from cast iron, cast steel and stainless steel. API Check Valve offered by us can be availed in various types like dual plate; single disc type and non slam check valves to meet the different requirements of the customers. We are identified as one of the celebrated API Check Valve Suppliers in China.


Valve Standard: API594/API6D
Working Pressure: 150Lb/300Lb/600Lb
Inspection & Testing : API598
Face to Face: ANSI B16.10
Flange Dimension: ANSI B16.5
Material
Body&Bonnet&Disc:WCB,CF8,CF8M
Hinge Pin: Stainless Steel
Seat Ring: Steel,PTFE,Nylon
Size: 2”-24”