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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?
Ball valve flow rate & pressure drop 2010-10-18
In ball valve is Bernoulli principle used to estimate the values flow rate & pressure drop estimation.
Ball Valve Top Entry 2010-10-15
op entry permits maintenance on the ball valve without removing the valve from the pipeline. Two piece and three piece valves are maintainable but the valve must be removed from the pipe.
Lubricated plug valves are inherently firesafe. 2010-10-15
The problem with "lubricated" plug valves is that they don't get lubricated in the field and after a few months or years they can become impossible to operate.
