• Post time: Aug-23-2021

    Guorui hydraulic (GRH) recently launched two new products, which are mainly used for accurate plow depth control of high-power tractors and driving of mobile machinery. The following is the parameter information of these two products: 1. Plow lift valve with displacement sensing: mainly used for ...Read more »

  • Post time: Jul-29-2021

    Recently, the road sweeper exported to Europe by Guorui Hydraulics (GRH) has passed CE certification and is packaged and shipped in containers. The picture shows workers at Guorui Hydraulics (GRH) packing road sweepers on containers. The detailed specifications of the sweeper exported this time a...Read more »

  • Post time: May-27-2021

    The main factor that affects the synchronization error of the synchronous motor The synchronous motor is composed of several motors with high machining accuracy and the same size. The same size and higher machining accuracy make the flow (displacement) through each motor approximately the same. F...Read more »

  • Post time: May-27-2021

    A component used to control the pressure, flow and direction of the liquid in a hydraulic transmission. Among them, the pressure control valve is called the pressure control valve, the flow control valve is called the flow control valve, and the flow control valve is called the directional contro...Read more »

  • Post time: May-27-2021

    Open system  (1) Open hydraulic system means that the hydraulic oil pump sucks oil from the oil tank, and supplies oil to the hydraulic cylinder (or hydraulic motor) through the reversing valve to drive the working mechanism. The oil return of the hydraulic cylinder (or hydraulic motor) is then r...Read more »

  • Post time: Apr-21-2021

    Overview The flow control valve is a valve that relies on changing the fluid resistance of the orifice to control the flow of the orifice under a certain pressure difference, thereby adjusting the movement speed of the actuator (hydraulic cylinder or hydraulic motor). It mainly includes throttle ...Read more »

  • Post time: Apr-21-2021

    The displacement range of GRH’s 0 group gear pump is (0.16-2) ml/r, and there are two options for pressure, F(200bar)/G(250bar). The inlet and outlet threads are connected with G thread, metric thread, American thread (NPT), etc., flange and shaft extension size, there are two kinds of rota...Read more »

  • Post time: Apr-21-2021

    Aerial work platform (AWP) is a type of special equipment designed and produced to meet the needs of high-altitude operations. It can lift operators, tools, materials, etc. through the work platform to a designated location for various installations , Maintenance operation, and provide safety gua...Read more »

  • Post time: Jan-29-2021

    In the time of global fight against COVID-19, Guorui hydraulic(GRH) carried out a system solution of hydraulic components and hydraulic technology,and participated in Bauma 2020, which was held in Shanghai International Exhibition Center in November 2020. It showed the strength of GRH’s des...Read more »

  • Post time: Oct-23-2020

      Causes and solutions for malfunction or insufficient pressure of hydraulic system   Reason 1: The motor wire is connected reversely. Solution: Change the motor wire Reason 2: The motor power is insufficient and the speed is not high enough. Solution: Check the voltage and current Faul...Read more »

  • GRH- smoothly attend 2018 Shanghai Bauma
    Post time: Dec-02-2018

    GRH HYDRAULIC are very honored to attend the 2018 International Event Bauma exhibition. Independent research and development for power unit and hydraulic cycloid motor, high speed motor, low noise screw pump, tandem pump, and normal products displaying by hydraulic system, attracts many visitors....Read more »

  • Shanghai PTC – Guorui Hydraulic full of harvest
    Post time: Nov-15-2018

    Wuhan Agricultural Machinery Exhibition just come to an end,then GRH team appared on another famous international exhibition-the 23st Asia International Power Transmission and ControlTechnology Exhibition lasting four days from Nov.6. On the stage ofthe New International Expo Center, Guoruihydrau...Read more »

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