一个人看的WWW片免费高清中文,国产精品免费视频,老太bbwwbbww高潮,国语自产少妇精品视频

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

Products Name:Type 101 mechanical seal

Products Details:The series are typical large spring mechanical seals, which are widely used in non balanced seals, allowing a wide range of materials and end face combinations to meet a wide range of requirements.

Operating parameters:
Mainly used for pumping pumps, ships, pumps, sealing chamber pressure: 8kg/cm2G (0.8MPa), sealing cavity temperature: -20 ~ 80 DEG C, line speed: 3m/Sec