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Butterfly Valves- Wafer Lugged or Flanged 2010-11-08
For Tripple Offset Butterfly valves in sizes from 24" and above which is more preferred wafer lugged or flanged ends?
silicon free butterfly valve 2010-11-08
Assume that silicon is not compatible with the contained fluid. Perhaps the requirement pertains to the soft goods only.
Butterfly Valve Water Flow Test 2010-11-08
A test procedure for water flow testing a 10 inch butterfly valve. The application is 10000 GPM liquid hydrogen at 15 psig at the inlet.
Butterfly valves with electrical actuator 2010-11-08
The technical specifications in my water project call for butterfly valves operating with manual hand wheel actuators, BUT valves shall have provision for electrical actuators .
Centered vs eccentric Fuel Oil Butterfly Valves 2010-11-05
Remote controlled stainless steel butterfly valves made a mistake and sent us centered instead of eccentric butterfly valves used in the oil/chemical cargo lines.
General Valve application 2010-11-05
The motorized valve always came with hand wheel also. I just queries, that what will happen if the motorized valve don't work & can it open manually ?
Greasing of Packing 2010-11-05
API 598 (section 4.4.1) infers that the packing should not be greased because it is a "sealing surface."
valves work 2010-11-05
The valve is equipped with an ON/OFF actuator, and there are two lines connected to this actuator.
