Specifying valves for a oil centre.For lethal gas, the ASME standard simply mentions that the valve should have enhanced stem seals.

Using of trim 5 on gate vales in steam service. Is there a temperature you would recommend moving from other trims to trim 5. Is there a better trim than trim 5?

Comments or examples on practical upper limit for application of epoxid coated knife-gate valves for liquid fluids?

For buried application , is it OK to use Rising stem gate valve ??Can we install rising stem gate valve with actuator , is it standard to connect the actuator with rising stem gate valve or actuator i

Apart from problems with real variable stiffness from one valve to another we have a major issue with the double seated expanding gate valves.

If a ANSI 600 gate valve was initailly manufactured say for example in 1990, the maximum design pressure at 100 Deg F would have been 1440 psig.

An English version paper about the introduction of GATE VALVE, better it's a academic one. actually this is special for a guy of my colleague's younger brother as reference.

To calculate the closing/opening time of a Gate valve using an hydraulic actuator. What are the input parameters required and what is the formula for this calculation?