欧美午夜视频一区二区三区_国自产拍在线视频天天更新_国模极品一区二区三区_日本三级2021最新理论在线观看_大妹子最新视频在线观看_精品国产3p一区二区三区_国产成人理在线观看视频_亚洲国产三级在线观看_日韩在线看免费高清完整版

Main push product

• 
  Safety Valve
  Safety Valve

  The safety valve is a special valve which is normally closed under the action of external force. When the medium pressure in the equipment or pipeline increases more than the specified value, the medium pressure in the pipeline or equipment can be prevented from exceeding the specified value by discharging the medium to the system......

  MORE
• 
  Butterfly Valve
  Butterfly Valve

  The valve can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium. It is mainly used for cutting off and throttling on the pipeline. The opening and closing part of butterfly valve is a disc-shaped butterfly plate, which rotates around its own axis in the valve body, so as to achieve the purpose of opening and closing or adjusting......

  MORE
• 
  Diaphragm Valve
  Diaphragm Valve

  Diaphragm valve is a stop valve which uses diaphragm as the opening and closing part to close the flow channel, cut off the fluid and separate the inner cavity of valve body and valve cover. The diaphragm is usually made of rubber, plastic and other elastic, corrosion-resistant and impermeable materials. The valve body is made of plastic......

  MORE
• 
  Tank Bottom Valve
  Tank Bottom Valve

  The valve at the bottom of the tank can be used in the discharge of reaction vessels in pharmaceutical, biological, fine chemical, food and other clean industries. The valve has the advantages of no dead corner, no residue, no leakage and good sealing performance. When the agitator is used in the container, when the agitator is opened, the material at the bottom can rotate fully with the water flow to make the material mix evenly. The valve adopts the installation orientation of 35 degrees, which can make the material discharge self-cleaning and make the equipment maintenance more convenient in space. The inner surface of the valve is polished by mirror, the roughness is 0.2-0.45 μ m......

  MORE