韩国精品一区二区三区无码视频,久久久久久久波多野结衣高潮,人人妻人人澡人人爽欧美一区九九,国产三级在线观看播放

Language version:中文版 | English | ??? ??
Home/
Products

Products Name:Type 169 mechanical seal

Products Details:External single ended multi spring polytetrafluoroethylene corrugated pipe structure. Both dynamic and static rings are made of corrosion resistant cemented carbide or silicon carbide (SiC)

Operating parameters:
Sealing chamber pressure: 0.5Mpa
Sealing chamber temperature: -10 ~ 150 DEG C
Linear velocity:≤3000r/min
Medium: crystalline alkali salt solution and other corrosive substance