温度(Temperature):-20℃~ +120℃压力(Pressure):≤ 2.0MPa线速度(Speed):≤ 15m/s
动环(Rotary Ring): Q1,Q2,A静环(Seat Ring): Q1,Q2,A辅助密封(Secondary Seal):V,K,M1,M2弹簧及结构件(Spring and Metal Parts):G,M