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Re: Shut-off Vales

Regarding the below post. You will not damage a CO2 regulator by using a
downline shut-off.


James Purchase writes:

In looking at the Swagelok catalogue, I see that they DO make shut-off
valves. If you want to be able to totally shut down the flow of CO2, is
there any reason why one of these shut-off valves could not just be placed
in the line (after the regulator and before the needle valve) in series with
the needle valve? Would shutting off the flow in this way cause any damage
to the regulator up-line (back pressure)???