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Ball valve stem sizing 2010-10-29
Does anyone know of a calculation or 'rule of thumb' process for determining the breakaway torque of a ball valve?
Tag numbers for manual valves? 2010-10-29
Coming from oil industry/EPC, I'm accustomed to NOT having individual tag numbers for simple manual valves.
Determining Control Valve Cv 2010-10-29
I am designing a 1", quarter-turn ball control valve and in need of some overall guidance.The inlet and outlet seat trims are modified with a pattern of holes intended to help reduce flow.
Fire safe test apparatus 2010-10-29
We have a fire safe test facility and will fire safe test according to API 607_5th two weeks from now.but, we have any problem for apparatus such as upstream pipework
Nozzle check valve 2010-10-28
for the design of some nozzle check valve I have the following conditions:- Mass flow rate max- Mass flow rate min- Upstream pressure- DensityIt is required that those conditions the valve allowing al
Wedge gate valve inline cleaning 2010-10-28
Is there any mechanism or tool that helps in cleaning (accessing) gate pocket from Fe debris?Will the 3E butterfly with horizontal stem provide better sealing in such condition?
Api 6a Trim Material 2010-10-28
I have been searching the web for locating the correct definitions of different trim material options defined by api6a but many different sources indicate something else.
Parallel slide valves in HC service?? Your experiences? Recommended? 2010-10-28
I've had a question from a manager, asking what I thought about parallel slide valves in HC isolation service. I don't think they're a good idea in HC services since they are only leak tight whilst th
