Performance and purpose:
It is made up of supporters on both two ends and several
V-shape Polyurethane sealing ring. It is mainly used as hydraulic cylinder seal of hydrostatic testing machine. As it is designed by using multiple sealing rings with high strength supporters on both two ends. It has better sealing effect and longer use-life.
According with several standards about hydraulic testing
Requirements: such as API 5CT/ISO11960:2011, GB/T9711.1-2011,
GB/T9711.2-2011, etc. for Petroleum and natural gas industries—Steel
pipes for casing or tubing; GB8163 - 2008 for seamless steel tubes;
GB/T3092-2008 for welded steel pipes.
Working pressure: ≤ 120 MPa
Working temperature: -20℃～+80℃
Working medium: water, emulsion, hydraulic oil
Material: Polyurethane+ intensive material