I live in Canada and my query is with regards to Double block and bleed valve. My understanding is that a professional engineer can sign off on a smaller bleed line size for Double Block & Bleed applications or requirements, however this has been challenged that this only relates to confined...
Gentlemen thanks for sharing the knowledge. Actually I am trying to size a multi turn actuator and I do not have these two parameters available with me. I do have thrust value but do not have enough stem data. Could we get a screw made to operate the valve with multi turn actuator? I have...
For sizing a multi-turn electric actuator for a Knife Gate Valve:
1.Should we consider both Torque (Torque required to open & close valve i.e. seat/unseat) and Thrust (Force required to open and close the gate) or anyone of these could be enough?
2.Why do we need to know the valve stem number...
