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butterfly valve II 2010-11-29
1. Some valves like Durco BX6 Series Metal seated valves meet ANSI FCI 70-2 Class VI leakage.
Butterfly Valve Material 2010-11-29
Cast Iron for Butterfly Valve Body for PN25 DN500-1600? do you have better material to recommend to me?
Problem in Metal seated jacketed Butterfly valve 2010-11-26
Metal seated jacketed Butterfly valve for vacuum service in our Plant fromthe year 2001.
Source of Torque on Butterfly Valves 2010-11-26
What design factors most affect the operating torque of a butterfly valve. I am talking about same size and configuration of valves here.
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.
