• What to do if the valve is not tightly closed

    In general, if it is not tightly closed, first confirm whether the valve is closed in place. If there is still leakage and cannot be sealed after it has been closed in place, then check the sealing surface. Some valve seals are detachable, so take th...

  • Developments in China valve market and industry

    With the development and change of the valve market and the industry within the end of the fifteenth period, the number of valve shares and private enterprises increased, the level of valve production increased, and the valve output increased signifi...

  • Valve knowledge

    1. Difference between gate valve and globe valve: Both can be turned off, and flow adjustment can be performed in situations where flow linearity is not high. However, due to the structural characteristics of the globe valve, the flow resistance is l...

  • How to set the sampling valve of high pressure pipeline

    Sampling valves, as the name suggests, are valves used to obtain media samples for chemical analysis. They are roughly divided into the following types: double opening valves, flange clip valves, and sampling valves with insulation jackets. Use atten...

  • Whether plastic pipes belong to the chemical industry

    Plastic pipes are an important branch of many components of chemical building materials. The application fields of plastic pipes are usually water supply, drainage, gas, floor heating, power communication, agricultural, fire protection and other fiel...

  • Advantages and disadvantages of PPC, PVC, PPR three pipes

    PVC pipe—Polyvinyl chloride pipe can be used for water supply and drainage systems. PVC pipe connection is glued for easy installation, but because of its hard texture, PE and PPR pipes are easier to crack and have poor heat resistance. The cost of P...

  • Performance, material, use and characteristics of pvc pipe

    The material tube is generally made of plastic resin as a raw material, added with stabilizers, lubricants, etc., and is extruded in a tube making machine by a plastic method. Because it has the characteristics of light weight, corrosion resistance, ...

  • How to use PVC double-acting ball valve

    PVC chemical valve is a main accessory to control the flow of media on chemical pipelines. For specific principles and structural cross-sectional views, refer to relevant material books. The valve consists of the valve body, the opening and closing m...