Thursday, September 20, 2012

How to choose Oilfield Check Valve?



    Check Valve is widely used in construction. Because oil and gasflammable, explosive characteristics, requires valve sealing and high reliability.
    Standard terminology introduced : Static Life ,Pressure re-test , Resistance test ,Anti-static test . Transport needs of different liquid valve is not the same. Transpont Hydraulic  liquefied petroleum gas, LPG values ​​will be used .
    Globe Valve are widely used in oil and gas pipeline andoil production, oil refining, petrochemical, chemical, chemical fiber, metallurgy, electricity, nuclear power, food and paper and other devices. It is divided into fixed-floating ball valve and ball valve. Top Entry ball valve on the pipeline removal easy and quick,convenient maintenance.
    Gate Valves is very important. Sealing component damage is a major factor in the working fluidimpurities. Corresponding accuracy filter  is very important . Proven to reduce support hydraulic system fluid contaminants, it is very difficult. Hydraulic valve hydraulic support in a variety of life is low, foreignways and means to solve the filtering system is to improve theaccuracy and improve the quality of the emulsion, but with little success. Therefore, the sealing technique is to improve the service life ofhydraulic valves hydraulic support in the key.

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