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Lift Plug Type Valves 2010-10-20
That Lift Plug valves are, in some processes, good alternatives for ball or gate valves as they are full bore, pressure tight and do not wear whilst being turned.
BYPASS, ISOLATION OF PSV WHILE UNIT IN SERVICE 2010-10-19
Stop valves may be installed between a pressure relief device and the operating vessel for the purposes of inspection, repair and/or replacement of the pressure relief device.
The best valve for an actuator 2010-10-19
Operations has had problems with the current actuated startup bypass valves. The fluid in this aplication is Blend Oil. There is currently a 30s shutoff actuator on a 1/4 turn ball valve.
Cryogenic Globe Valve Flow Direction 2010-10-19
The service is liquid oxygen with this valve located on the upstream side of the liquid oxygen vaporizers.
Inside diameter for BW ends ball valve 2010-10-19
Full Bore does not mean piggable. It shall be inteprated as per API 6D standard bore dimension = 633 mm.
WALL THICKNESS FOR BALL VALVES 2010-10-19
The wall thicknesses of valves are pre calculated and are given for a specified rating in 16.34.
Can a Floating Ball Valve be installed in any direction? 2010-10-18
Floating ball valves are bidirectional.The right-hand seat is identical to the left-hand seat so going to the left is just the same as going to the right.
Types of ball valves 2010-10-18
Many ball valves are selected for specific applications as engineered items.Start with engineering standards such as API 6D and ASME B16.34 as the minimum criteria.
