Hayward Flow Control Datasheets for Needle Valves

Needle valves are small valves used for flow control in liquid or gas services. The fine threading of the stem and the large seat area allow for precise resistance to flow.
Needle Valves: Learn more

Product Name Notes
Needle Valves -- NVA Series Available in PVC, CPVC, GFPP and PVDF materials and construction. The NVA Series features an integrated stem with a PTFE seat for superior control, purity and performance. Sizes range from...
Manual Flow Control Needle Valves -- NVA Series NVA Series needle valves are available in PVC and GF-PP. They have FPM o-rings and a PTFE seat. End connections are threaded only and all valves areassembled with silicone free...