孔用泛塞密封,轴用泛塞密封,孔,轴两用泛塞封,端面内向泛塞密封, 旋转泛塞密封,双
;弹簧类型:V,O,S,N型;弹簧材质SUS301,304,C276,Elgiloy,17-7/PH,Lnconel718;密封材质:纯PTFE,PTFE+CF,PTFE+graphite+MOS2,PTFE+POB,PTFE+graphite+MOS2+POB,PTFE+GF,PTFE+Copper;