内射合集对白在线,无码人妻精品一区二区三区99不卡,国产成人免费视频精品,人与动牲交av免费

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

Products Name:Model SZ2100 mechanical seal

Products Details:Single ended / unbalanced / arbitrary direction / rubber bellows can replace John crane 2100 series.

Operating parameters:
The pressure in the seal cavity: less than 0.6Mpa; the seal cavity temperature: -20 ~150 DEG C; line speed: 10m/s; medium: water, oil, and other weak corrosive medium