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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.
Reduced bore ball valve 2010-10-15
Reduced bore valves are commonly used for intra-unit applications. Many exceptions exist such as piggable lines, low pressure compressor suction piping.
multi-turn ball valve 2010-10-15
Multiturn is normally used for valves with a construction where the closing element does not move 90 degrees, eg. normally for globe or gate valves with threaded stems, requiring several turns to clos
Valve Port Terminology Clarification 2010-10-15
There are actually three versions of port size:
Full Port is "true full", and can be a relative term based on the I.D. of your Pipe (Schedule of your pipe).
Ball Valve Dimensions 2010-10-14
What the manufacturers do is select the shortest possible length from the available sizes in which they can fit the ball, seats, flanges, assembly of the flange and any body bolting.
Welding ball valves 2010-10-14
These are crayons, tablets, or paints that indicate a temperature by melting at specific the specific temperature indicated on the crayon. Templestick is one brand name and had been around a long time
