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  • Industry News

    What are the advantages and disadvantages of flange gate valves？

    Dec 22, 2021
    The opening and closing part of the gate valve is a gate. The movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, a...
  • Industry News

    How to protect the valve from corrosion？

    Dec 14, 2021
    The valve is a control component in the fluid conveying system, which has the functions of cut-off, regulation, diversion, prevention of reverse flow, stabilization, diversion or overflow and pressure...
  • Industry News

    What working conditions are the characteristics of pneumatic three-way ball valves suitable for

    Dec 08, 2021
    Since pneumatic three-way ball valves usually use rubber, nylon and polytetrafluoroethylene as the seat sealing ring material, its operating temperature is limited by the seat sealing ring material. T...
  • Industry News

    What should be paid attention to when installing pneumatic butterfly valve？

    Dec 02, 2021
    1. Before installation, check that all parts of the pneumatic butterfly valve are not missing, the model is correct, and there is no debris in the valve body, and there is no blockage in the solenoid ...
  • Industry News

    How to avoid butterfly valve failure during use?

    Nov 25, 2021
    The butterfly valve is a widely used valve. It originated in the 1930s. The butterfly valve is a 90-degree switch or a valve that regulates flow. Due to its simple structure, small size, light weight,...
  • Industry News

    What are the installation process and performance characteristics of PP pipe?

    Nov 18, 2021
    As a new type of water pipe material, PP pipe has unique advantages. It can be used as a cold pipe or a hot water pipe. It has strong resistance to pressure. Because of its non-toxicity, light weight,...
  • News

    Anti-static effect of PVDF tube

    Nov 12, 2021
    The temperature of PVDF tube directly affects the migration speed of anti-static molecules. Polar resins should use ionic anti-static agents, and low-polarity non-ionic anti-static agents should be us...
  • News

    What are the classification of flange pipe fittings?

    Nov 04, 2021
    1. Divided by material:Carbon steel: ASTM/ASME A234 WPB, WPCAlloy: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911, 15Mo3 15CrMoV, 35CrMoVStainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-...
  • News

    What are the types of pipe fittings?

    Oct 25, 2021
    1. ConnectorsRigid joint, flexible joint, flexible joint, inner wire joint, outer wire joint, inner and outer wire joint, single-wire joint, double-wire joint, threaded joint, flat surface Fittings, p...
  • News

    Valve inspection and installation

    Oct 20, 2021
    Inspection before valve installation: ① Carefully check whether the valve model and specifications meet the requirements of the drawings. ② Check whether the valve stem and valve clapper open flexibl...
  • News

    What is a sight glass？

    Oct 12, 2021
    The working principle of valve sight glass and related knowledge The installation size is small, the driving torque is small, the operation is simple and fast, and it also has good flow adjustment fun...
  • News

    What are the butterfly valve classifications？

    Oct 09, 2021
    Butterfly valves can be divided into offset plate type, vertical plate type, inclined plate type and lever type according to the structure. According to the sealing form, it is divided into two types:...