温度(Temperature):-20℃~ +180℃压力(Pressure):≤ 2.0MPa线速度(Speed):≤ 10m/s
动环(Rotary Ring): Q1,Q2,U1,U2静环(Seat Ring): Q1,Q2,,U1,U2辅助密封(Secondary Seal):V,E,M1,M2弹簧及结构件(Spring and Metal Parts):G,F