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Application Field
Check valves serve to prevent the backflow of medium flow in the piping system, widely applied in the field of potable water, water supply and drainage, sewage disposal, irrigation, air conditioning, fire protection as well as chemical and energy industry.
Specifications
1. Size: 2"-24"
2. Design standard: BS EN 12334
3. Connection end: BS EN1092-2:1997
4. Working Pressure: PN10 / PN16
5. Working Temperature: Rubber Seat: 0ºC-80ºC & Metal Seal: -10ºC-350ºC
6. Coating: Fusion bonded epoxy coating
Material
| Part Name | Material | Option |
| Body & Bonnet | Ductile iron |
|
| Hinge Pin | SS420 | SS304,SS3016,SS416,SS431 |
| Disc | Ductile iron+EPDM | |
| Seat Ring | Brass Hpb59-1 | |
| Bolt & Nut | Carbon steel zinc plated | SS304,SS316 |
| Bonnet Gasket | PTFE |
De
| Standard | |
| Design Standard | DIN3202 F6; BS EN12334; BS1868; ASME B16.34; API6D; API602 |
| End Connection | |
| Flange Connection | DIN2533; BS EN1092-2:1997; ASME B16.5; ASME B16.47A/B; API605; MSS SP-44 |
| BW Connection | ASME B16.25 |
| SW Connection | ASME B16.11; ISO6182 |
| Face to Face | ASME B16.10; DIN3202-F6 |
| Test | API598; API6D; DIN3230 |
| Working Pressure | |
| Casting Iron | PN10 / PN16 |
| Casting & Forging Steel | Class150-Class2500 |
| Working Temperature | |
| Rubber Seal | 0ºC-80ºC |
| Metal Seal | -10ºC-350ºC |
| Material | |
| Casting Iron DN50 - DN600 | |
| Body | Casting Iron; Ductile Iron |
| Disc | Ductile iron + EPDM; 304; 316; Al-Bronze |
| Hinge Pin or Stem | SS420, SS304, SS316, SS410 |
| Casting Steel DN15 - DN750 & Forged Steel DN15 - DN50 | |
| Body | WCB, CF8/SS304, CF8M/SS316 |
| Disc | WCB, CF8, CF8M |
| Hinge Pin or Stem | SS |
| Bonnet | SS |
| Type | |
| Flange Type Swing Check Valve | |
| Wafer Type Swing Check Valve | |
| Lift / Piston / Raising Stem Check Valve | |
Warranty and Service
1. One year warranty
2. Spare parts provided such as extra gaskets
3. Strict market agent protection agreement if you want to be distributor
4. OEM&ODM are welcome, customer logo can be casted on to valve body if you need
5. First order and large order have a good discount.
6. Always most competitive price, most reliable quality and best service as your biggest support.
FAQ
Q -What's my consideration when I choose a gate valve?
A -The medium and working pressure of the pipe system
-The outside diameter of the pipe
-The standard of connection flange
