Duff Norton Europe non-return valves prevent flow-reversal within a port, or protect against excessive pressure that can build up at certain points on a port. These non-return valves can be fitted with an o-ring, making them completely air, water, or gas-tight.

Product list :
Non Return Valves -

Non Return Valves
Duff Norton Europe Non Return Valves prevent reversal of the flow in a port or can protect the port from overpressure. These non return valves can also be equipped with an O-ring, which gives it tightness to water, gas or compressed air
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