Dual Door Check Valve, DDCV
Features
1. The dualdoor check valve adopts economic version of wafer and light weight design tosave space and reduce installation cost.
2. Usingstainless steel spring to quickly close before reverse flow to prevent waterhammer.
3. Withvulcanized rubber seat on body, which can prevent rubber seat being flush outduring operation. Also it can extend the serving life of thedual door check valve.
4. The dual door check valve usesthe plastic plug to reduce wearing and tearing.
5. Adopts dual disc to ensure bubble tight closure toprevent leak and back flow.
6. A hanging hook is provided for sizes larger than 200mm f to finish easy installation anddisassembly.
Application
This dual door check valve is suitable for general cleanwater supply, HVAC, fire fighting and irrigation.
Technical specification
Part List | |||
No. | Parts Names | Material | Standard |
1 | Body | Cast Iron | ASTM A126 |
2 | Disc | Stainless Steel | AISI 304 |
3 | Seat | Rubber | NBR/EPDM |
4 | Bolt | Carbon Steel | Commercial |
5 | Plug | Plastic | PTFE |
6 | Stem | Stainless Steel | AISI 304 |
7 | Spring | Stainless Steel | AISI 304 |
8 | Washer | Plastic | PTFE |
AFC is a China dual door check valvemanufacturer and supplier. We offer dual door check valve, and DIN 3352 gatevalve, pressure relief valve, Our high qualityproducts are offered at competitive prices. AFC is located in China, and the full chain of manufacturing NRSgate valve, signal wafer butterfly valve can be completed in China, even inone city. Lower manufacturing cost saves your purchasing cost. The more detailsof each product are shown on the page with description.