Answer / sonam

Valve Reversibility means if the valve is manufactured as
Air To Open,for example,it can be converted into an Air To
Close Valve i.e. its action can be reversed.Such a need
arises when an ATO Valve is manufactured but as per process
requirements it should be ATC.

Answer / hamid (pdoc) inst tech

because the reverse valve it used for safty .in fail safe
condition it( NO) for safty perpose it use foe vent line

can anyone tell me about the basic concepts to consider before to start a PLC panel wiring

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Q- Why Phase tester is only used for checking AC not DC ?

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Hi all, I am Mohamed from Algeria, I'm a senior Technician qualified in instrumentation. I work in an international petroleum and gas company (SONATRACH: Separation of associated gas from crude oil. Production of condensate, LPG and re-injection of dry gas) within the regulation & Control instrumentation department.I am interested for working in Qatar Petrochemical Company (QAPCO) in Qatar.Now,I am seeking a position, which is an opportunity for me to put my experience to good use and actually participate in running on this company. So, Can anyone help how to contact this company? Thanks Mohamed, mahad8331@gmail.com

1 Answers  

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