Just looking for thoughts on using a 'control choke' as a pressure reducing valve- max pressure expected to be 475 psi.
in and 90 psi out- clean water ( not oil or gas)- the usual PRV's have been a problem & these look to be more robust, although I haven't seen any applications outside the oil & gas business
Well, I've never seen them in straight water applications, we do get a lot of liquid slugs (emulsions of water & hydrocarbon liquid) coming up gas wells with plunger assists that have no problems coming through those valves though, so I can't see water posing them any great difficulty.  Push comes to shove, ask the Cameron rep, Cameron is used quite extensively for valves out here in the upstream oilpatch, so I'd imagine they've got pretty knowledgable reps in your area too.

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