欧美日韩中文国产,亚洲家庭乱伦,国产乱码精品一区二区三区的特点,中文字幕av久久爽一区,亚洲一区二区 成人网站戴套,久草毛片

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

Products Name:Model SZ502 mechanical seal

Products Details:Single ended / unbalanced / arbitrary direction / rubber bellows; can replace John crane 502 series

Operating parameters:
Pressure: 2.8MPa; temperature: -30 ~200 DEG C; line speed: less than 13M/sec; for medium: oil, water and organic solvent and weak corrosive solution etc.

Structure characteristics:
Because the rubber bellows are simple and compact in structure, the radial and axial runout of the shaft can be compensated, and the single spring is not easy to plug.