News

  • Welcome to the 2022 Chinaplas–International Plastics and Rubber Exhibition

    The 2022 Chinaplas which is the international plastics and rubber exhibition will be started on  Apr. 25 2022 for 4 days in Shanghai China. Our company Zhengzhou Vowa Mechanical Co., Ltd will participate in the exhibition. Welcome to visit us in the hall 7.1, booth A13. Please contact us for fre...
    Read more
  • Successful delivery of discharge melt pump for 100,000 tons of GPPS production device

    On December 1, 2021, at the delivery site of Zhengzhou Vowa Mechanical Co., Ltd., 8 large-size melt gear pumps prepared for 100,000-T/A GPPS project set off. GPPS plastic is general-purpose polystyrene (GPPS). Polystyrene (PS) is polymerized by styrene monomer (SM). It can be polymerized by a v...
    Read more
  • What is the role of the melt metering pump in the extrusion system?

    The main function of the metering melt pump is to accurately control the amount of material input to the die. The principle is that the gear pump conveys materials by gears. When the specifications of each tooth on the gear are the same and the speed of the gear pump is close to constant, the ma...
    Read more
  • Melt Pumps Delivery Site — Quality Products and Services

    This is the delivery site of one of our projects. The staff are carefully inspecting the goods and loading them into the shipping box. This is a step that we will take every time before shipping, and every time we will take this process as seriously as the first time. Everything is to provide cus...
    Read more
  • Dynamic inline mixer experimental line

    Our company has built a number of equipment experimental lines to test and improve the performance of the equipment, and to bring customers a better product experience. The picture below shows the company dynamic inline mixer experimental line. It can realize the direct blending of materials and ...
    Read more
  • The main features and advantages of external gear pumps

    The structure of the external gear pump is compact and simple, with a few number of moving parts. The most important part of it is the gear. The gears can be designed as spur or helical teeth. The advantage of spur gears is that they can provide higher speeds and are more convenient to maintain. ...
    Read more
  • Working Principle of The External Gear Pump

    The external gear pump working cycle can be separated into three steps: filling, transfer and delivery.   1, When the gears on the inlet side of the pump come out of mesh, they create an expanded volume. Fluid is sucked into the cavities and is locked by the gear teeth as the gear continue to rot...
    Read more
  • Application field of gear pump

        Gear pump is mainly used in many chemical and industrial fields of high-end occasions, playing a variety of important roles, such as pressurization, metering, transmission and pumping fluid. In a variety of distillation equipment, such as thin-film evaporator, short-range evaporator or molecu...
    Read more
  • Gear pump’s function, application scope as well as its performance

        Gear pump is a kind of volumetric internal gear pump, whose internal gear is circular arc tooth shape and external gear is short epicycloid.     Gear pump is mainly composed of gear, shaft, pump body, safety valve, shaft end seal, gear pump is a kind of volumetric internal meshing gear pump,...
    Read more
123 Next  > >> Page 1 / 3