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Class 300# piping 2010-12-14
Could a expert person please verify the following?
The maximum operating pressure VS minimum temperature (0C) of carbon steel piping A106 Gr.B of class 300# is 51 Barg. I believe this is the maximum
Pipe flanges for small diameter pipe 2010-12-14
Many engineering pipe specifications will specify the use of 300# flanges for pipe diameters of 3" and below for pipe classes specified for 150# service. Does anyone know the basis of this? I havve
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?