1) Any pipe line working fluid may water / steam on it one manual isolatio

1) Any pipe line working fluid may water / steam on it
one manual isolation valve suppose one side of valve 6 kg/
cm^2 pressure (i.e. up stream) and other side is “ 0”
kg/ cm^2 pressure(i.e. down stream) . So how much
Tourqe required for opening the valve in terms of Newton
force wheather normal man can open this valve. (for
reference pipe nominal bore is 100 NB )

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