Ball valve which suffered failure is connected to manifold end and severe erosion found on connecting/ball valve flanges.

I am trying to bring a pressure of Nitrogen or Oxygen gas from around the 300Bar relative (4351.1Psi) to just over the atmospheric pressures.

I have a system to pressure test assemblies in the oil and gas industry, and I’m getting mixed information from valve suppliers on selection of a valve to dump the pressure after the test is complete

Currently we have a MASONEILAN model 2650 split body control valve that is mounted at a 45degree angle due to the size of the actuator.

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.