Plastic needle valve
1/4" - 1/2" | NVA
HAYWARD Industries, Inc.
1/4", 3/8" and 1/2" - PVC & PPL
GENERAL DESCRIPTION
Hayward Needle Valves are used for accurate metering of fluids. Turning the thumbwheel moves a tapered piston into the PTFE seat to control the flow down to a few drops per minute. Precision molded,fine pitched stem threads permit this very fine metering flow control.
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