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:Model UK mechanical seal

Products Details:Mechanical seal type UK is a built-in type, single spring, type and drive pin transmission; using U ring ring rotary self locking ring seal, good performance, reliable sealing, stable performance, according to different working conditions need to choose different materials, different friction materials and structures. At the same time, cooling and flushing can be carried out according to the AP1610 standard.

Operating parameters:
The pressure in the seal cavity: 0~1.5MPa seal cavity temperature: -30 ~180 DEG C, the seal cavity speed: less than 3000r/min, sealed medium: water, sewage, oil and other weak corrosive liquid.