Alternator Generators,Brush Alternator,ST Alternator Fengde Mechanical & Electrical Manufacturing Co., Ltd. , http://www.dieselgeneratores.com
·Full-bore design eliminates pressure drop and eddy effectively,and slows up erosion to valve from solid particle in fluid.                Â
·It is metal sealed between bonnet and valve body,valve plate and valve seat,valve seat and valve body;
·Spray welded hard alloy on the surfaces of valve plate and valve seat with the characteristics of good wear resistance and corrosion resistance;
·Bonnet and valve steam are designed with back sealed construction,which is convention for renewing sealing ring of the valve rod under pressure;
·Seal grease injection valve is installed to one side of the bonnet;
·Working pressure:2,000PSI~20,000PSI
·Nominal diameter:2 1/16″~4 1/16″(52mm~103mm)
·Working medium: petroleum, natural gas, mud, gas containing H2S and CO2
·Working temperature:-60ºC~121ºC(KU level)
·Material grade:AA,BB,CC,DD,EE,FF,(HH)
·Specification grade:PSL1~4
·Performance requirement:PR1~2
China-Pffa-Series-Slab-Gate-Valve-for-Oilfield
PFFA Series Slab Gate Valve