Gas shutoff options

[cody841]

Hey, we are using a couple of PE instruments with manually controlled gases to the FIDs. Does anyone know of any valves we could buy to shut off the gases at a certain time (so we could do weekend runs, evening, etc, without having to come and shut off the gases).

[AICMM]

cody841,

Two key questions. 1) Are you mostly on or mostly off? 2) What are you going to use for control of said valves?

I have set up a group of GC's to go idle on nitrogen and switch to helium when running but the are mostly off and sometimes on. Very important distinction.

Best regards,

AICMM