Details
Double Union Flapper Non Return Valve
A very Reliable Clear, Double Union Flapper Non Return Valve, with minimal resistance, which can easily be cleaned by unscrewing the double union fittings.
The Double Union Flapper Non Return Valve provides a simple means of preventing backflow in pipe work where this would be undesirable in pumped systems or where equipment such as Elecro heaters, are fitted in line.
This Double Union Flapper Non Return Valve (swing check) Valve is probably unique in its design and is the first we have been able to find where the valve can be viewed for periodic cleaning.
The Flapper type non return valves create no back presure on the pumps and the swing check just swings out the way.
Truly a superb piece of kit, it will fit Grey or White imperial pressure pipe. Reducing sleeves can also be glued in the socket unions to use these flapper valves with normal Black Solvent Waste Pipe - See 'Related Products' to the left.
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