You are here:
News
News
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
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.
