Threaded cartridge valves in hydraulic pumps

The began with threaded cartridge valves for use in hydraulic pumps. Because the hydraulic pump had to be integrated into the hydraulic solenoid valve, this required a hydraulic solenoid valve to be compact, which in turn led to the development and design of the threaded cartridge relief valve. It should be said that the threaded cartridge relief valve is the development and design of Z began, the use of Z began the threaded cartridge valve, followed by the threaded cartridge this product, threaded cartridge one-way throttle valve, etc. applied to the hydraulic pump. Contemporary hydraulic pumps have a number of threaded cartridge valves integrated into them.

The threaded cartridge relief valve is used to adjust the main hydraulic pump and make up the gasoline pump to the maximum working pressure; threaded cartridge this product is used to manipulate the oil channel open or disconnect; threaded cartridge shut-off valve is used to connect the A, B oil hole when the common failure of the system software occurs, convenient engineering machinery and equipment towing or traction belt; threaded cartridge pressure differential relief valve is used to adjust the output working pressure of the pump with the shift of the load working pressure and The threaded cartridge pressure differential relief valve is used to adjust the output operating pressure of the pump as the load operating pressure changes.

Along with the continuous development of threaded cartridge valve technology, the development and design of a multi-purpose valve dedicated to the pump, Zhenhai hydraulic power unit manufacturers integrated the role of the threaded cartridge relief valve, threaded cartridge pressure differential relief valve, threaded cartridge this product, threaded cartridge shut-off valve and other four valves.

Threaded cartridge valves are also often used in oil motors (especially closed test motors). Ningbo threaded cartridge valve supplier of a closed-test self-variable motor construction and circuit schematic diagram as shown in Figure 5, Zhejiang hydraulic power unit manufacturers have a total of four threaded cartridge valve integrated in it. The threaded cartridge relief valve is used to adjust the working pressure of the system software oil change; the threaded cartridge shuttle valve is used to introduce the Kor pressure side of the working pressure oil into the P port of the solenoid induction directional regulator; the threaded cartridge solenoid induction directional regulator is used for the manipulation of the motor exhaust volume, the threaded cartridge three-way shuttle valve, also called the threaded cartridge rolling oil shuttle valve, is connected to both sides of the closed-test control circuit motor. The system software ensures that a certain amount of oil is returned to the vehicle's fuel tank when the system is in forward and reverse operation, in order to complete the cooling of the closed control circuit.