Specification:

• Working pressure: lOOOOPsi～20000Psi
• Nominal size: 3-1/16"～9"(78mm～230mm)
• Working temperature:-46℃～121℃(LU)
• Material class: AA.BB.CC.DD.EE.FF.HH
• PSLl～4
• PRl～2
• Working medium: oil, gas, mud, gas containing H2S. C02
• It has a long service life of seal surface supersonic sprayed hard alloy.
• Valve open/close is ball screw structure which reduceseffectively torque to the l/3 0f
common valve.
• Valve with balance end rod structure which can reduce valve torque and have open/close
indication function.
• Stem seal packing, seat end surface seal ring are flexibleenergized seal structure to have
reliable seal.
• Be applied to large size and high pressure valve.