Hayward® NVA Series 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.
- Glass-filled Polypropylene per ASTM D4101
- Heavy Duty FPM O-Ring Seals
- PTFE seat
- Precision molded, fine pitched stem threads
- Permit this very fine metering flow control
- Flanges for panel mounting
- Pressure rating: 150 psi @ 70°F (non-shock)
- Maximum temperature: 260°F