053-9 Wyo. Code R. §§ 9-2 - Carbon Dioxide (CO[2]) Pumping
(a) Vapor lines
shall be connected between the liquid CO2 containers so
that pressure is equalized.
(b)
Only hose approved for use with CO2 shall be
used.
(c) Hose shall be inspected
prior to use for damage to the external cover or braid. Defective hose shall be
removed from service.
(d) Hose
which exhibits visible damage shall not be used until it has been pressure
tested. If it proves to be defective, it shall be removed from
service.
(e) All discharge lines
shall be securely staked or anchored.
(f) A check valve shall be installed in the
discharge line of each pump prior to CO2 entering a
common line, or a manifold trailer which has a check valve installed in it
shall be used.
(g) A shutoff (plug)
valve and two (2) check valves shall be installed on a
CO2 line upstream of a commingling tee or
manifold.
(h) A shutoff (plug)
valve and a check valve shall be installed on a liquid line upstream of a
commingling tee or manifold.
(i)
Two (2) shutoff (plug) valves and a choke valve shall be installed on the
release line with the shutoff valves located upstream of the choke
valve.
Notes
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No prior version found.