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Reservoir drainage valve actuator pressure requirements 2010-11-09
I am selecting a butterfly valve to be installed on a submerged pipe intake at the bottom of a reservoir, and need to determine the upstream and downstream pressures of the valve so the actuator torqu
Fisher V200 V-Port Ball Valve Substitute? 2010-11-09
I've have selected a 1" and 3" Fisher V-Port Ball Valve 600#, with pneumatic actuation and 4-20ma positioner.
High dp across ball valve 2010-11-08
if there is high dp across the ball valve, will i have difficulties in opening the valve manually? some say yes..some say no....
MATERIAL GGG-40 WORKING TEMPERATURE 2010-11-08
Does anybody know the top working temperature of nodular cast iron GGG-40 for bodies & discs in valves ?
Steam Turbine Valve Time Constant 2010-11-08
I need to find the time constant of the valves that control the steam. So this is the time taken for the valves to go from fully closed position to 63% open position.
How would you call such a valve? 2010-11-08
I need your experience for a very small problem...How do you call a ball valve whose passage is smaller at the outlet than it is at the inlet?
Bonnet Design? 2010-11-08
I am curious as to different Bonnet Designs.( Gate valves )There seem to be so many different schemes,some are round, some are rectangular.
BALL VALVE TOP ENTRY 2010-11-08
Could someone explain me why to specify a ball valve top entry? Which is the technical advantages?
