thanks for the video. I noted that the bubbles/minute can be count. but if we use the air or nitrogen as testing fluid, how can we measure the test result in ml/minute?
Rather than process specific it may depend on valve type used for specific application "Metal seats in double-ported designs are Class II, while in single-seated designs they can meet Class IV or Class V. Soft seats in double-ported designs can meet ANSI Class IV or V, while in single-seated globe valves they can give Class VI performance." Hope it will be useful.
thanks for the video. I noted that the bubbles/minute can be count. but if we use the air or nitrogen as testing fluid, how can we measure the test result in ml/minute?
standard specifies two options i.e. air/nitrogen and liquid. bubbles for gas and ml/minute for liquid.
You can convert bubble to
Nlpm
Grt explanation
How do I define the leakage class depending of the process? I mean, for example, in a water treatment plant, what would be the the best leakage class?
Rather than process specific it may depend on valve type used for specific application
"Metal seats in double-ported designs
are Class II, while in single-seated designs they can meet Class IV or Class V. Soft
seats in double-ported designs can meet ANSI Class IV or V, while in single-seated
globe valves they can give Class VI performance." Hope it will be useful.
which standar are you using for leak rate
ANSI/FCI 70-2
Do we Seat leakage test must be pass before calibration of control valve? Please help me thanks
After calibration you test leakage
Sir all' Size control Valve ka Babul kaise pata kare Kisme Kitna Alow hai
Very good video Bat Hindi language plz
Super
How much the compressed pressure should be.
45 to 60 psig can be used.
@@RockzAutomation for all types u mean??
@@aismylife8902 please refer ANSI FCI 70-2
@@RockzAutomation ANSI 1500 1" ss
@@aismylife8902 thank you for updating.
Formula for calculating class 4 please