British Wafer double door check valve (Split-clapper)
- Certificate: UL Listed / FM Approved
- Standard: EN 1074-3
- Connection: Wafer, flanged as EN 1092-2
- Installation: Vertical, horizontal
- Temperature: 0°C to 80°C
- W. pressure: PN 16
- Surface: FBE coating as AWWA C550
Wafer double door check valve (Split-clapper) is a kind of check valve (non-return valve), and it must be sandwiched between two flanges for installation. It is used to allow water to flow through it in only one direction, and the clappers open to permit forward flow or close to block reverse flow.