黄片高清无码-露脸操熟女-成人性无码-美女黄色代马-社长中出人妻秘书森泽佳奈-鲁鲁情色123-又大又爽又黄-搡老熟女 中国老太婆了-青娱乐五月天AV伊人-黄色一级片so黑人少妇片黑人少妇片,久久一级大黄片,免费色片,中国四川一级大毛片a一

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

Products Name:Type 102 mechanical seal

Products Details:The seal is typical multi spring mechanical seal pump typical, the tube with DIN24960, ISO3069, GB6556, is a widely used standard non balanced mechanical seal, allowing the use of various materials and surface combination, to meet a wide range of industrial demand.

Operating parameters:
The pressure in the seal cavity: 0~1.2MPa seal cavity temperature: -20 ~+80 DEG C (Ding Jing rubber), -20 ~+180 OC (FKM), -80 ~+250 OC (PTFE V ring), line speed: less than 3000r/min, medium: water, oil and weak corrosive liquid