库存泛塞封四氟材质泛塞封带有弹簧的四氟材质孔用密封泛塞封压力:≤300bar40*33.8*4.842*35.8*4.845*38.8*4.848*38.6*7.152*42.6*7.155*45.6*7.156*46.6*7.160*50.6*7.163*53.6*7.1