Description

These double check valves are WRAS approved and  manufactured from DZR with POM non-return core, brass screw and 304 stainless steel springs.  Ends are screwed female BSP Parallel (ISO 228/1) and conform with EN13959.

These valves are designed to prevent back flow and back syphonage contamination in the pipework.

Face to Face

• 1/2" 71mm
• 3/4" 83mm
• 1" 98mm
• 1.1/4" 118mm
• 1.1/2" 134mm
• 2" 173mm