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Plastic Specialty Valves
HAYWARD
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NEEDLE VALVES

Needle Valves are used for accurate metering of fluids. Turning the valve handwheel moves a tapered plastic piston into a Teflon seat to control flow from full open down to drops per minute. The precision molded fine pitched stem threads permit fine metering control.    
FEATURES
• PVC or PPL construction
• 1/4”, 3/8” & 1/2” sizes
• Molded fine pitch threaded stem
• Flow control from full open to drops per minute
• No tools required to adjust valve
• Lugs for panel mounting
• Viton “O”-rings & Teflon seat
SPECIFICATIONS    
PVC
Part No. End Connection Size
NV10025T Threaded 1/4"
NV10037T Threaded 3/8"
NV10050T Threaded 1/2"
 
POLYPROPYLENE
Part No. End Connection Size
NV40025T Threaded 1/4"
NV40037T Threaded 3/8"
NV40050T Threaded 1/2"