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pressure drop over valves 2010-11-01
I had two questions regarding pressure drop in valves, hopefully quite easy for you guys.1. I'm performing a pressure drop calculation on various pipes, still in early design stage.
Tank Spec for DBBL Valves 2010-11-01
This question has been asked before but the answer wasn't exactly what I was looking for. What specs (Api etc..) dictate the operation of double block and bleed valves in a mutli product tank storage
Help with check ball design 2010-11-01
What cracking pressure did you design the spring and ball combination for? I.e. how much preload is in the spring when the ball is seated?If your seat area is 0.015 in^2, or roughly a .14 inch diamet
Seating load for Ball valve 2010-11-01
how much seating force required to control leakage for following requirements. Allowable leakage when closed condition is 0.5cc/min.
Triple Off set Butterfly Valves 2010-11-01
Why use a Triple Offset valve over a Double Offset valve.What application would a triple be used. For pure (particle free) water distribution and purification, water pipelines and hydroelectrical pow
Ball valve body joints 2010-10-29
Are UNF threads acceptable for bolted body joints on ball valves per ASME B16.34?
Low cracking pressure check valve 2010-10-29
I'm looking for a source for spring loaded check valves with a cracking pressure less than 5" WC (0.18 psi) for nitrogen service.
Flange thickness verification between the bonnet and body 2010-10-29
I have a question regarding strength verification between the bonnet and body of a valve. Please see the attached drawing, which is for a manual gate valve. ASME16.34 only has bolting strengh verifica
