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Need 6 inch full flow 3000 psi valve

Need 6 inch full flow 3000 psi valve

Need 6 inch full flow 3000 psi valve

(OP)
I am looking for a full flow, 6 inch 1500 psi class, ring joint, stainless steel valve that can be opened or closed with full pressure(air) on either side.  I'm guessing this would most likely be a soft seated ball valve.  I'm trying to stay away from motor operated valves.  Anyone have a recommendation for a manufacturer of something like this?

Thanks in advance

RE: Need 6 inch full flow 3000 psi valve

"Scooter",
         what grade of seat tightness is required?
   At ambient temperature?

   May be other valve types (triple-offset butterfly, for example, which would be lighter and easier to operate...) could also be suitable for your application.

Bye,   'NGL

RE: Need 6 inch full flow 3000 psi valve

(OP)
The valve I am taking out has a 5.75 inch bore in it and I would have to maintain the same Cv. I think any other type would require a set of adapters to mate to the 6 inch 1500 lb rtj flanges that already exist.  I'm talking to Flowserve to see what they can do for me.

S

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