日韩无码高清A片,日本黄a三级大片,黄色片一级www,日韩性爱五月天,亚洲视频综合91

老乡机(广州)精密机械设备有限公司
Tel
Product Catalog
18819168678
No.3, Row E, Zone B, East Zhuji Construction Machinery Street, Zhongshan Avenue, Tianhe District, Guangzhou China
PRODUCT

Your present position:Home > Products > Product introduction

FLOATING OIL SEAL

FLOATING OIL SEAL

Floating oil seal refers to a mechanical seal component that uses the axial force generated by the deformation elasticity of the rubber ring to make the ground end faces of two floating metal rings close to each other and slide relative to each other. [4] Floating oil seal is a common name for floating seal. It is a type of mechanical seal among dynamic seals. It has super sealing performance in harsh working environments such as heavy coal powder, sediment, water vapor, etc. It is a compact mechanical seal, mainly used in low-speed and heavy-load situations. It has the advantages of wear resistance, automatic compensation after end face wear, reliable operation, simple structure, etc., and is widely used in coal mining machinery. Such as bulldozer traveling mechanism, scraper conveyor head (tail) sprocket assembly, tunnel boring machine loading mechanism and cantilever section, continuous shearer left and right cutting drums and reducers, etc.
HOME ABOUT US PRODUCTS BRAND NEWS KNOWLEDGE CERTIFICATE FEEDBACK CONTACT US

Address:No. 6 Haibin Road, Chang'an Town, Dongguan City, Guangdong Province, China Copyright:Dongguan Enyi Metal Technology Co., Ltd.

Technical support:Daxun ICP备案编号:粤ICP备2023115222号-1

扫一扫,加关注

日韩AV一级片| 中国特黃影院| 黄色美女一级片| 亚洲AV无码成人电影| 青青操五月天| 韩日三级AV| 日韩a片在线免费观看| 9999| 三级av无码| 欧美特黄一级aa大片| 久久香蕉AV| 手机av免费在线| 性爱 av 在线| 免费无毒的AV电影。| A极毛片一极| 91视频免费资源| 亚洲七七影院| www.日A一区| 日韩欧美特黄A片在线| 勉费黄色AV| 高清免费五级AAA片| 日韩a级片。| a级黄毛片| 欧美激情每日更新| 日韩成人裸体三级| 亚洲色图3p无码视频| 外国黄色电影| 玖玖资源站最新网址| www w毛片| 怎么看日韩AV| 国产大学生一级A片| 无码日韩AV| 亚洲爱爱视频| 国产AV一级| 草草久草草av| 人妻无码A级终合片| AV片无码一区二区| 日韩AV之东京热| 色色成人五月天| 狠狠撸天天撸| 亚洲色青|