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: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.