A check valve allows flow in one direction and automatically prevents back flow (reverse flow) when fluid in the line reverses direction. They are one of the few self-automated valves that do not require assistance to open and close. Unlike other valves, they continue to work even if the plant facility loses air, electricity, or the human being that might manually cycle them.
Please note if your pipe measurements are:
Then this valve is the correct size.
**If your pipe measurement is 59mm+ you will need a 2"/50mm Valve
Inlet/Outlet: 40mm/1.5" High Pressure PVC
Warranty : 1 Year
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