Need 6 inch full flow 3000 psi valve

[scooter911]

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

 

[NGiLuzzu]

"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

 

[scooter911]

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