China Suppliers Factory API594 CF8 Wafer Check Valve Dual Disc Stainless Steel for Reliable Performance
Basic information
| Model NO. | check valve |
| Temperature | Ordinary Temperature |
| Size | DN40-DN1200 |
| Body Material | Cast Iron, Ductile Iron, WCB, Stainless steel |
| Type | Dual Door Double Door |
| Media | Water |
| Flow Direction | Bidirectional |
| Nominal Pressure | Pn6, Pn10, Pn16, Pn20, Class150 |
| Design Standard | BS5153, API594 |
| Package | Export plywood box |
Main Material
| NO. | PART | MATERIAL |
| 1 | Body | Cast Iron GG20, GG25 , Ductile iron GGG40,GGG50, Carbon Steel, Stainless Steel,Brass , albronze , Duplex Stainless Steel |
| 2 | Seat | NBR, EPDM, Viton |
| 3 | Shaft | Stainless Steel416,SS420, 316, 304 , Duplex Stainless Steel 2205,Duplex Stainless Steel 2507 |
| 4 | Disc | WCB Stainless steel |
| 5 | Pin | Stainless Steel |
| 6 | Spring | SS420 ,SS304,SS316, Monel K500, Iconel X750 |
| 7 | O-Ring | NBR, EPDM |
Technical Data
| Nominal Diameter DN | 50(2")-3000(120") | 50(2")-3000(120") | 50(2")-3000(120") | mm | |
| Nominal Pressure PN | Class 150 | Class 300 | Class 600 | Mpa | |
| Test Pressure | Shell | 2.93 | 7.58 | 15.00 | Mpa |
| Sealing | 2.07 | 5.52 | 11.03 | Mpa | |
| Working Temperature | -46-550 | ºC | |||
| Design Standard | API609 | ||||
| Face to Face | API609, ISO5752, ASME B16.10 | ||||
| Flange End | ASME B16.5/16.47 | ||||
| Inspection&Test | API598 | ||||
| Suitable Medium | Water, Sewage, Sea Water, Air, Oil etc. | ||||
Company profile
Certification
Our Advantages
More than 60 years of valve production experience with advanced processing equipment large testing laboratories and sufficient raw material reserves.
FAQ
Q Whether it is a factory?
Yes, we are valve manufacture since 1956, have more than 60 years valve production experience.
Q Can I have my own customized product?
Yes, we support customized requirements for standard, size, color, packing, nameplate, mark, etc.
Q Do you provide samples?
Yes, we can provide the samples but do not pay the charge of freight.
Q What's your terms of payment?
30% in advance, 70% balance before shipment.
Q Is there any testing equipment?
Yes, we have pressure testing equipment, large-scale laboratories, and non-destructive testing equipment.








