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Hi all, I have a customer who is asking from P-T chart for ASTM A494 Gr. CW2M. In ASME B16.34 only the P-T chart of the bar form is given, Can I give the bar form values in place of the cast values? or is there an other way around

Hi guys, i am new to the valves industry.The thing is when we design a valve, the Thrust/ torque part of it is very uncertain, the actuator companies deal with it. I would like to know the physics part of it, namely the forces involved especially seat forces,friction, does the bonnet...

i think temperature is the main issue here.. not the pressure.. the conditions are high temperature gas applications. I think my data is right.

i have been provided with this flow parameters, it can be either on/off or flow control. any suggestions?

Please... Need help in the design of a valve for High temperature pressure applications i.e. of the order of 1300 degrees 150 bar. All suggestions are welcome . Please respond