W. P. Law, Incorporated - Fluid Handling Professionals
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Item # NVA4050T, 1/2" GFPP Needle Valves w/FPM o-ring; PTFE seat; threaded end connections


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.

150 psi at 70°F




 Specifications   

Size
1/2"

Body Material
GFPP

Seats
PTFE

Seals
FPM

End Connection
Threaded

A
2.5 in

B
1.19 in

C
1.44 in

D
2.50 in

E
1.06 in

F
1.25 in

G
0.81 in

Weight
0.25 lb