NFR Series Flow Control Neelde Valve A range of flow control needle valves with built in non-return valve for maximum return flow. A range of flow control needle valves with built in non-return valve for maximum return flow whilst maintaining a controlled flow in one direction. Sizes 1/4" - 1/2". View PDF Datasheet Want to know more? If you would like to inquire further about the NFR Series Flow Control Neelde Valve please contact one of our service representatives at 01422 377 999 or by email at sales@colson.co.uk.
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