DOUBLE CHECK BACKFLOW PREVENTER

MODEL:

SD-OSY-DCB

The valve is designed to stop thereverse of flow of a liquid into a portable eater system. The proper installation of a back flow preventer must be done by a certified expert under local codes to assure the protection of the drinking water system.
The assembly shall consist of two repairable seating check modules with captured springs and rubber seat rings.
Service of all components shall be through a single easily removable cover and designed for ease of access.
The valve shall have a release valve to atmosphere.
With resilient OS&Y gate Valve
Flange comply with ANSI B16.1 Class 125 and all groove dimensions meet AWWA C606.
Maximum Working Pressure : 175 psi
Maximum Working Temperature : 60°C (140°F)

The valve is designed to stop thereverse of flow of a liquid into a portable eater system. The proper installation of a back flow preventer must be done by a certified expert under local codes to assure the protection of the drinking water system.
The assembly shall consist of two repairable seating check modules with captured springs and rubber seat rings.
Service of all components shall be through a single easily removable cover and designed for ease of access.
The valve shall have a release valve to atmosphere.
With resilient NRS gate Valve
Flange comply with ANSI B16.1 Class 125 and all groove dimensions meet AWWA C606.
Maximum Working Pressure : 175 psi
Maximum Working Temperature : 60°C (140°F)