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Thursday, April 7, 2011

Screwed-Bonnet

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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