温度(Temperature):-20℃~+180℃压力(Pressure):≤1.0MPa线速度(Speed):≤15m/s
动环(Rotary Ring): Q1,Q2,U1,U2静环(Seat Ring):U2,Q1,Q2辅助密封(Secondary Seal):V,P,E,M1,M2弹簧及结构件(Spring and Metal Parts):F,G,M