• Wafer check valve
  • Wafer check valve
  • Wafer Check Valve

Wafer Check Valve

Features: DN: 2~24"(DN50~DN400)
Nominal pressure (MPa): PN10, PN16,
Body Materials: Cast Iron, Ductile Iron , WCB , Stainless Steel, Bronze
Seat Materials: NBR, EPDM
Disc Materials: Ductile Iron, WCB, CF8,CF8M, Al-bronze C958
Stem Materials: SS416, SS304, SS316

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  • Product parameter
  • Adoptive standards
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Product parameter:

Nominal
DN(mm)
Measurement(mm)
L R D Do
40 43 23.5 92 55
50 43 28.5 107 65.5
65 46 34.5 127 81
80 64 44 142 95
100 64 52.8 162 121
125 70 66.5 192 148.3
150 76 74.5 217 171
200 89 87.5 272 225
250 114 127 328 265
300 114 147 378 310
350 127 173 438 360
400 140 198 489 410

 

Adoptive standards:

Wafer check valve

Size Range: 2~24"(DN50~DN400)

Pressure: PN10, PN16, Class125

Body Materials: Cast Iron, Ductile Iron , WCB , Stainless Steel, Bronze

Seat Materials: NBR, EPDM

Disc Materials: Ductile Iron, WCB, CF8,CF8M, Al-bronze C958

Stem Materials: SS416, SS304, SS316

Wafer Check Valve is used to pipeline of industry, environmental protection, water treatment, draining of high-rise building. It can prevent reverse flow of medium. It adopts wafer type connection way, with two semi-circular disc, and reset by spring force, the sealing surface can be rubber or wear-resistant materials, widely used and reliable sealing. 

1.The Valve is an energy-saving product, is manufactured based on the foreign advanced technology and in accordance with relative international standards. 

2.This product is featured by excellent retaining performance , high safety and reliability and low resistance . 

3.It is suitable for systems in the industries of petroleum, chemical, food processing, medicine, textile, paper-making, water supply and drainage, metallurgy, energy and light industry etc.

Valve Design: API 609

Pressure Test: API 598

Flange end: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16

Features:

Standard Test :
Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.
Seat Test: 1.1 times the working pressure with water.
Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.Special Test: On request, any other test can be carried out according to special instruction by client.

Application:

1.Water Treatment Plant ;
2.Drilling Rigs;
3.Paper Industry;
4.Gas Plant;
5.Sugar Industry;
6.Cooling Water Circulation;
7.Breweries;
8.Heating & Air Conditioning;
9.Chemical Industry;
10.Pneumatic Conveyors;
11.Waste Effluent Treatment Plant;
12.Compressed Air.

 

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