News
News
Non operable valves oin Shell Mesc 2010-12-13
In certain Low temperature and cryogenic applications ,shell specifies valve bonnet to be non extended.. to be more specific it states the valves to be non operable valves (ref shell MESC 77/200).
wha
Valve Noise Under Low Pressure Drop 2010-12-13
Can a control valve produce high noise (more than 85 db) under low pressure drop, say 20 psi or 30 psi?
Custody metering of Oxygen >10:1 turndown 2010-12-13
What is so wrong with Coriolis measurement, that a major oxygen supplier would refrain from using it? I assume for the time being that the head office is being quoted correctly.What other metering opt
What is multi-turn ball valve? 2010-12-10
What is the multi-turn ball valve?Is it orbit ball valve?If so, what is the purpose to use that kind of ball valve?
Is cracking pressure a pressure drop? 2010-12-10
On a check valve... is cracking pressure something to take into consideration when adding up pressure drops?
pipe minor loss coefficient 2010-12-09
when you guys do pressure pipe model, do you predefine the pipe minor loss coefficient?
I always use 1.5, no matter what pipe size, length. Today, when I read a report prepared by another engineering
Pressure drop of control valve 2010-12-09
What is the difference meaning between the pressure drop and differential pressure of control valve?
