久久在精品线影院精品国产_国产精品一区二区久久不卡_国产内射999视频一区_国产99久久九九精品无码_人妻熟妇乱又伦精品视频无广告_久久在精品线影院精品国产_国产精品一区二区久久不卡_人妻熟妇乱又伦精品视频无广告_7878成人国产在线观看_久热国产VS视频在线观看

簡體中文版 English

Product List

一、Products [electric flange ventilation butterfly] details

Product modelD941W

Product nameElectric flange ventilating butterfly valve

Product features: Electric flange type ventilation butterfly valve, pneumatic flange type ventilation butterfly valve, flange type ventilation butterfly valve use and characteristics. The butterfly valve adopts the same material as the valve body to be processed into a sealing ring. The suitable temperature and body material, nominal pressure is less than 0.6MPa, suitable for general ventilation for regulating media flow in industry, metallurgy, environmental protection and other pipeline. Its main features are: 1, design novel, reasonable, unique structure, light weight, open and close quickly. 2, operating torque is small, easy to operate, labor-saving dexterity. 3, the use of materials to meet the low, medium and high temperature of different media and corrosive media.

Mandatory
Mandatory
Mandatory
Mandatory

Be sure to write clearly consulted or purchase products detailed parameters and quantity.