Screwed-Bonnet
Needle Valves
■ Working pressures up to 600 psig (41.3 bar)
■ Temperatures up to 300°F (148°C)
■ Straight and angle patterns
■ Vee stem standard; regulating stem available
■ Swagelok® tube fitting and male and female NPT and ISO pipe end connections
■ Green handle standard; optional colors available
■ Optional panel mounting
Testing
Every JN series needle valve is factory
tested with nitrogen at 100 psig
(6.8 bar). Seats have a maximum
allowable leak rate of 0.1 std cm3/min.
Shell testing is performed with nitrogen
at 200 psig (13.7 bar) to a requirement
of no detectable leakage with a liquid
leak detector.
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