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Premium Member
3,074 Posts
no matter which one you use, they will be all sucks.

the inlet pressure is 800psi, no matter the precision, the flow rate is a huge number.
and most of the needle valves are not rated to 800psi pressure differential.

and the needle valve you use on your paintball setup is for water, 300 psi rate the most, not safe. the longer you use it, you will probably have chance to see some wired shape(deformation) on the body of that needle valve, due to high pressure.
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