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.

Features
Lugs for Panel Mounting Accurate Flow Control Fine Pitch Stem Threads for Precise Flow Control Unique Molded PTFE Seat Two Year Warranty

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