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  • News

    What is PVDF？

    Sep 22, 2021
    PVDF is polyvinylidene fluoride, and its appearance is translucent or white powder or granules. Polyvinylidene fluoride mainly refers to the homopolymer of vinylidene fluoride or the copolymer of vin...
  • News

    What is the general way to connect UPVC pipes?

    Sep 14, 2021
    The connection methods of UPVC pipe include socket rubber ring connection, adhesive connection and flange connection. Sometimes the connection also needs pipe fittings, but the method is nothing more...
  • News

    What are the types of plastic pipes?

    Sep 08, 2021
    CPVC (Chlorinated Polyvinyl Chloride) and UPVC (Rigid Polyvinyl Chloride) pipes under the PVC type. Chlorinated polyvinyl chloride (CPVC) pipe, also known as (poly)perchloroethylene, is made by chlo...
  • News

    What is the working principle of the diaphragm valve

    Aug 24, 2021
    Diaphragm valve is a special form of shut-off valve, which appeared in the 1920s. Its opening and closing part is a diaphragm made of soft material, which separates the inner cavity of the lower valve...
  • News

    What are the advantages of pneumatic diaphragm valves

    Aug 16, 2021
    Pneumatic diaphragm valves have two main advantages: one is that the valve does not require a separate stem packing seal structure, the diaphragm plays a role of sealing the valve stem while cutting o...
  • News

    What are the characteristics of valve pipes of different materials

    Aug 12, 2021
    Plastic PVC valve pipe material classification description:PVC pipe has good tensile and compressive strength, but its flexibility is not as good as other plastic pipes, and it has excellent corrosion...
  • News

    What are the advantages and characteristics of diaphragm valves

    Aug 06, 2021
    Diaphragm valve is a clamping valve, it is mainly used for opening and closing the pipeline.Diaphragm valves have two main advantages:1. The valve does not require a separate valve stem packing seal s...
  • News

    What are the main advantages of plastic ball valves

    Jul 27, 2021
    Engineering plastic ball valve is mainly used to cut off or connect the medium in the pipeline. It can also be used for fluid adjustment and control. Compared with other valves, it has the following a...
  • Industry News

    The Different Types of Ball Valve Stems and How They Are Used

    Jul 20, 2021
    A ball valve refers to a type of quarter turn valve that utilizes a rotating, perforated and turning ball to regulate flow in it. It is generally open when the opening ball of the valve is in line wi...
  • Industry News

    What are the advantages of PVC ball valves?

    Jul 16, 2021
    PVC ball valve is a kind of PVC material valve, mainly used to cut off or connect the medium in the pipeline, and can also be used for fluid regulation and control. PVC ball valve is mainly used to cu...
  • Industry News

    Do butterfly valves have a flow direction?

    Jul 01, 2021
    Yes.they have one direction oriented manufacture that fit to the usage.These valves are operated with an extended rod/liver which is rotating The valve shutters inside it is rotating to 180* and allo...
  • Industry News

    What happens when a check valve fails?

    Jun 25, 2021
    Failed check valves are fun. Not really. Failed check valve  Check Valves Manufacturers in China often have catastrophic consequences for the machine. I don’t have pictures but have seen several machi...