News
News
car seal valve 2010-10-20
a car seal valve = a valve that can be car sealedI think there is a misunderstanding of the situation. PSV's are often spared to allow testing of one PSV while a second remains active.
Define "Replacement in Kind" 2010-10-19
I didn't know where else to post this since it's a non-technical question.I've always thought that "replacement in kind" meant replacing something with the exact same thing.
Symbol on side of Globe Valve 2010-10-19
Hello all,I ran into a question today concerning a symbol located in the casting of a globe valve. In fact it is on every globe valve we are installing.
pressure/temperature ratings forged steel valves 2010-10-19
What is the temp rating on a 2" 800# class A105 globe valve@ 1975psi? I assume that the quoted class 800# should be a missprint, either class 600# or 900#, in accordance with API 6D.
reduce the velocity 2010-10-19
Yes, reducing exit velocity reduces noise. In order to reduce the velocity, the flow area needs to expand in the direction of flow.
the discussion about flow direction 2010-10-19
A Piston Actuator can be used in a unbalanced trim to counter Bath Tub Stopper effect instead of standard Spring & Diaphragm actuators.
