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The function of a non-return valve is to ensure that the flow only travels in one direction.

Wells Non-Return Valves

Our non-return valves can be manufactured in various different materials. A special feature of these valves is the ‘soft seat’ rubber ring which is bonded into the cone end of the brass spool. This combination provides a leak-proof seal at both high and low differential pressures. These valves can be provided with parallel pipe threads, where the internally threaded bodies are given a recessed face to suit a bonded seal ring.