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Non operable valves oin Shell Mesc 2010-10-22
Dear all,In certain Low temperature and cryogenic applications ,shell specifies valve bonnet to be non extended..
Does anybody know what ZCMS 66 is? 2010-10-22
In a valve data sheet I found ZCMS 66 specified as seat and spring material.
diffrence between ball valve and butterfly valve 2010-10-21
Ball valves and butterfly valves are both quarter-turn (90-degree turn from fully opened to fully closed) rotary valves. The family of rotary valves also includes cone and plug valves. They are used
Double-Block Valves and Double Block and Bleed Valve 2010-10-21
Does anyone know the application of double block and bleed valve, i understand this valve consists of double seats with a body bleed, is it correct? Aslo, i heard that in case the pressure rating 900
Resilient or metal seated gate valves 2010-10-21
Is there reason to spec one over the other instead of just life span? The city I am doing work for specs only brass metal seated, but the contractor says that he has never used anything but resilient
The effect of using a higher PSI radiator cap? 2010-10-21
I would not recommend it... Once on my dad's 55 Chebby truck with a 235 we had a 9lb cap on it. My dad put it on because it came with the new coolant overflow bottle.
High pressure control valve (single seat) 2010-10-21
for steam and water,Type BTG VSG1 high pressurecontrol valve (single seat)Manufacturer BTG, S?ffle, SwedenControl characteristics Equal percentage or otherControl range 40:1
60:1 for contour plug size
