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jaap de vries
Feb9-08, 11:38 PM
P: 254
Actually a throttle valve may work if you need to fill a vessel up to a specific pressure and the regulators output pressure is to high you can slow the fill rate down and more accurately fill your application. you will need a separate pressure transducer downstream of the throttle valve probably about 0-100 torr. The fact that you need sub-atmospheric pressures makes me believe you are probably not dealing with a continuous flow device.

swagelok makes good products just don't use the brass ones!!