• 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...

  • What is the essential difference between chemical grade PVC pipe fittings and PVC pipe fittings

    Polyvinyl chloride is made from acetylene gas and hydrogen chloride, and then polymerized. Has higher mechanical strength and better corrosion resistance. It can be used to make exhaust gas detoxification towers and gas-liquid conveying pipes in chem...

  • How globe valves work

    The shut-off valve only allows the medium to flow in one direction, and it is directional during installation. The structural length of the globe valve is longer than that of the gate valve. At the same time, the fluid resistance is large. During lon...

  • How to set the sampling valve of high pressure pipeline

    Sampling valve, as its name implies, is a valve used to obtain media samples for chemical analysis. Generally, it is installed on equipment or pipelines and can be divided into the following types: double opening valve, flange clip valve, and samplin...

  • What is the main difference between PVC-U pipe and PVC-C pipe

    There are differences in appearance. PVC-C cable pipes are generally yellow and orange, while PVC-U drainage pipes are generally white. The two applications are different. PVC-U drainage pipes are generally used for drainage and sewage, while PVC-C i...

  • How to improve the sealing performance of self-operated regulating valve

    The self-operated pressure regulating valve is divided into three series: self-operated pressure, differential pressure and flow regulating valve. The self-operated pressure regulating valve is divided into two types according to the position of the ...

  • Valves are classified by function and use

     (1) Cut-off category: such as gate valve, globe valve, plug valve, ball valve, butterfly valve, needle valve, diaphragm valve, etc. Shut-off valves are also known as closed-circuit valves and shut-off valves, which are used to connect or cut off the...