• What are the key differences between PVC and PE pipes and fittings

    First off, I have no dog in the fight and use PEX, CPVC and PVC according to what is most suitable for the application. I would like to correct and expand upon some of the statements made in a previous reply. PEX is cross-linked polyethylene for use ...

  • How do I improve the hardness of PVC pipes and fittings

    1. The plasticization of PVC pipes and fittings must be high, and the plasticization should be as high as possible. As long as the decomposition does not change color, the plasticization can be properly improved, making the relative high point of the...

  • What are PVC pipes and fittings

    PVC which means no plasticiser (US: plasticizer) has been added to the PVC compound. Unplasticised PVC is also known as rigid PVC. PVC-U is the most common PVC type for pipes and fittings including transportation of drinking water, soil and waste, se...

  • How to choose a suitable valve

    The significance of choosing the correct valve In the fluid pipeline system, the valve is the control element, its main function is to isolate the equipment and the pipeline system, regulate the flow, prevent backflow, regulate and discharge the pres...

  • When the pump starts, do you want to close the outlet valve

    1. Why should the outlet valve be closed when the centrifugal pump is started? When the centrifugal pump is started, there is no water in the outlet pipe of the pump, so there is no pipeline resistance and lifting height resistance. After the centrif...

  • PVDF pipe and pipe connection

    The use pressure of new pipes, especially plastic pipes, is related to many factors, such as pipe diameter, pipe wall thickness, service temperature, pipe fitting processing method, pipe fitting and pipe connection method, etc. Among them, the connec...

  • Keep these points in mind when installing valves

    (1) Direction and position  Many valves are directional, such as shut-off valves, throttle valves, pressure-reducing valves, check valves, etc., if installed backwards, it will affect the use effect and life (such as throttle valve), or will not work...

  • Analysis of the advantages and disadvantages of 5 valves

    "Know yourselves and know each other, no battles" The premise of correct selection and use of valves is a comprehensive and specific understanding of the advantages and disadvantages of each valve itself and the physical properties of the medium used...