温度(Temperature):-20℃~ +180℃压力(Pressure):≤ 2.5MPa线速度(Speed):≤ 15m/s
动环(Rotary Ring): Q1,Q2,U1,U2静环(Seat Ring):U2,Q1,Q2,B,A辅助密封(Secondary Seal):V,P,E,M1,M2弹簧及结构件(Spring and Metal Parts):F,G,M