噗嗤噗嗤高清在线视频www,国产又粗又猛又大的视频,人妻丰满av无码久久不卡,无码毛片一区二区本码视频},国产A级理论片无码,国产高清在线二区

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

Products Name:Model ST70 mechanical seal

Products Details:

Operating parameters:
Stress:0~1.6Mpa;Temperature:-20℃~180℃;Rotational speed:≤20m/s;Medium: oil, water, alkali, organic solvent, etc., dynamic, stationary ring materials: graphite, silicon carbide, tungsten carbide and so on.