温度(Temperature):-20℃~ +160℃压力(Pressure):≤ 1.2MPa线速度(Speed):≤ 10m/s
动环(Rotary Ring): Q1,Q2,U1静环(Seat Ring):Q1,Q2,U1辅助密封(Secondary Seal):E,V,S,M2,M5弹簧及结构件(Spring and Metal Parts):G,M