Is the strength of the ball valve stem and torque the same?
No, that's the two concept. In the specification, the pressure rating unchanged, including the influence factors of the medium pressure, torque, temperature, medium viscosity and so on. So the torque change. Change the stem strength structural parameters, and the change of temperature change. But the stem strength must be greater than the valve torque.
The question is not very clear, in the specifications, pressure rating unchanged, including the influence factors of the medium pressure, torque, temperature, medium viscosity and so on. So the torque change. Change the stem strength structural parameters, and the change of temperature change.
Depends on what the valve, but also depends on your torque is, how much pressure medium.
