Manufacurers of Sub Sea Hydraulic Actuators. I received enquiries for valves c/w hydraulic actuation on occasion and never seem to have much options.

I have a full cross sectional drawing of the existing valve, with face to face and hub details, so there is no problem to replace the valve with an alternate manufacturer.

Process Plant and I'm checking the selection of valves. When I came to ball valves 600# our specification says to be "Reduced Bore" but our three vendors (all very well known and respected) had offere

Looking for a vacuum tight valve. The requested specific leak tightness for the entire tank should be below 158 * 10-9 mbar * dm3 / s (for air). The volume of the tank is approximately 10 dm3.

Something about non-destructive examination of burried steel ball valves.Is the process fluid natural gas?

I was inclining not to post anything to the "swimming bowl" question. First, it truly seems like a non sirius question, bordering on a prank.

Looking for suggests for an application i am working on. Our process involves using a high viscosity, highly abrasive material in which we control the flow using a pneumatic actuated metal seated ball

Two different services of valves.Underground service and Buried service.Are these two services different?