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Butterfly Valve for Seawater Material 2010-11-26
Body in ductile iron with aspecial 4till5 layer coating Exotic materials are verry nice but far to expensive fore these applications!
ALTERNATIVES for Bronze Body/Trim for Globe Control Valves 2010-11-25
A 2" globe valve with ASTM B62 body with Bronze trim. Are there equivalent alternatives to propose? DUPLEX could do?
By-pass valve - CV vs Size 2010-11-25
It is customary to use a globe valve to give the regulating capability required for a bypass, and the Cv values you have given are typical for globe valves.
Flowrate throught butterfly valves 2010-11-25
How can I calculate/estimate the air flow through a butterfly valve as a function of the rotation angle/opening.
Butterfly valves for low temp service 2010-11-24
Looking for a recommendation for butterfly valves 10 -12" size for use in a SYLTHERM SERVICE low temperature application -112C to plus 230C.
Butterfly Valves in Slug Flow 2010-11-24
Two particular issues we are interested in -1. Is slug flow more damaging to butterfly valves than multi-orifice control valves?
Velocity for 132" Butterfly valve 2010-11-24
I would like to know what is the max. recommended flow velocity for a 132" butterfly valve used as a water regulating valve in a dam.
Expansion Bellow for Butterfly Valve 2010-11-24
"EXPANSION BELLOWS MOLLER-BALG" made of "FLEXIBLE THERMOPLASTIC PLASTIC".I thought that bellows were not applicable to quarter-turn valves
