拍戏H现场滑进去了嗯啊H,国产AV无码专区亚洲AV,色资源AV中文无码先锋,丰满人妻少妇久久久久久

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

Products Name:U type mechanical seal 224u

Products Details:Medium: weak acid and weak alkaline liquid. The product needs to be cooled, rinsed and circulated as soon as possible. A reasonable friction agent can be chosen according to the working conditions. In the ISO2858 chemical pump matching use, can long time stable and reliable work.

Operating parameters:
Maximum pressure: 0 ~ 0.8Mpa, temperature: -20 DEG C to +150 DEG C, maximum speed: 3000r/min

Type characteristic:
Double end face, small spring, transmission sleeve, transmission, non balance, corrosion resistance mechanical seal.