Hayward Flow Control”s NVA Series Needle Valves replace the company”s NV Series featuring an integrated stem/PTFE seat for enhanced control and performance. Also incorporated in the new design are flanges for mounting panels. Sizes range from ¼” (DN8) to ½” (DN10). Available materials include PVC and GFPP with FPM seals.
Other key features include:

  • 150 psi @ 70 F Non-Shock Rated

  • NPT Threaded Ends

  • GFPP Thumb Wheel

  • Fine pitch stem threads for precise adjustment

  • Accurate flow control

  • Allows for adjustment of flow rates down to drops per minute

  • Laying length equal to NV Series

  • Backed by Hayward’s Exclusive 2 Year Warranty

The NVA Series is a patent-pending design with thermoplastic construction designed to stand up to demanding application conditions. The new design is suited for the fine regulation of flow that is required in instrumentation and laboratory work. Specific application areas include water and wastewater treatment, chemical processing, food and beverage, pharmaceutical, marine and corrosive environments.