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Valves

Articles about Valves

difference between short pattern and long pattern in valves

2008-05-09 00:07:07

can someone please explain to me the difference between long and short pattern valves? i know that the face to face dimensions are different for both... wat i want to knw is why is this variety needed? and when is each one of the types used? wat is the basis of selection between the two. kindly help

By: CR4: The Engineer's Place for Discussion & New

Regarding car seal open/lclosed valves (cso/csc)

2008-04-17 07:45:52

I wanted to know how the "Car sealing" feature is achieved for block valves of PSV. What is the safety device used? Is it some kind of molten lead sealing? and where is it exactly done on the valve? i mean on the valve handle or stem? There is an earlier post about Car seal valves but it doesnt ment

By: CR4: The Engineer's Place for Discussion & New

Scope of safety relief valves between reciprocating compressor lines

2008-02-19 09:00:10

Dear All In my Nphta Hydrotreater Unit we are operating two reciprocating compressor, one main and one stand by. Each compressor has a make up duty of two stages and one recycle. The compressor has a safety relief valve between suction line and discharge line of recycle stage and other two sa

By: CR4: The Engineer's Place for Discussion & New

Calculate TCO for Control Valves

2007-12-25 06:46:00

When selecting control valves, the total cost of ownership (TCO) is more important than valve life or replacement cost. Losses from shutting down valve-dependent processes can far exceed the valve cost. This article describes valve designs, such as clamp in place vs. screw-in that can save time and

By: CR4: The Engineer's Place for Discussion & New

24V EGR valves

2007-12-24 21:49:18

Kindly let me know any manufacture who Manufactures EGR valves operating directly on 24V system. M/s Pierburg is saying it is manufacturing only 12V EGR valves. Regards, Raghavendra K

By: CR4: The Engineer's Place for Discussion & New

furnace & boiler gas valves

2007-06-06 12:52:19

hello I search a company called Dexen , making automatic proportional gas valves * are this kind of valves currently used or is i...

By: CR4: The Engineer's Place for Discussion & New

Questions About Radiator Valves

2007-05-11 22:33:14

any one can tell me about the manufacturing process for radiator valve in general,and some information about its working

By: CR4: The Engineer's Place for Discussion & New