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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.
Hollow Ball Valve 2010-10-18
Hollw balls are made by casting the round part of the ball, and the internal part is also cast spherical. The flow path is made by inserting a piece of piep (cylinder anside the ball and welding both
Ball Valve type selection 2010-10-18
what is the different between reduce bore and full bore and who can select? process scope or piping?
