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Hydraulic Valves For Mobile Applications

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Hydraulic locks Integrated units

Electro-Proportional direct-drive multiple valves SPHF15 Balance valves Electro-Proportional control multiple valves SPHB350 Balance Valves Pre-Pressure compensation multiple valves ZCRV pilot handle SPHB/SPHG One-way balance valves Post-Pressure compensation multiple valves XDJY pilot handle SSPHB/SSPHG Two-way balance valves Conventional multiple valves JTF foot-operated brake valve Hydraulic locks Integrated units
Hydraulic Pumps

Open-circuit axial piston pumps
SA10VO series 31 SA10VO series 52/53 SA11V(L)O 1x series SA2FO series 61 SPE/SPS series SA10VOZ

Closed-circuit axial piston pumps
SA4VG series 32 SA4VG series 40 SA4VTG series 32 SA10VG series HST

Internal gear pumps
SP series SP series tandem gear pumps EP series Customization series

External gear pumps

SA10VO series 31 SA4VG series 32 SA10VO series 52/53 SA11V(L)O 1x series SA4VG series 40 SA4VTG series 32 SA2FO series 61 SP series SA10VG series SP series tandem gear pumps SPE/SPS series SA10VOZ EP series HST Customization series
Hydraulic Motors

Fixed displacement axial piston motors
SA2FM series 61 SA2FE series 61

Variable displacement axial piston motors
SA6V series KC series SA6VM 63/71 series

Radial piston motor

External gear motors
Fan Motor

SA2FM series 61 SA6V series SA2FE series 61 KC series Fan Motor SA6VM 63/71 series
Hydraulic Valves For Industrial Industries

Spare parts Pressure valves Flow control valves Directional control valves
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Electronic control platform Electric hydraulic assembly Transmission Handle Vibration Electric Proportional Handle 4.3-inch In-Vehicle Display FSC05-01 Controller Work Device Control Unit
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Hydraulic System

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Hydraulic power unit

Valve test bench Pump test bench Motor test bench Pump/motor comprehensive test bench

SA4VG series 40

SA4VG series 40 variable pump is an axial piston variable pump designed with a swashplate. It is suitable for closed-loop hydraulic systems for static pressure transmission. By adjusting the swashplate angle, the pump enables seamless flow control. This variable pump offers a variety of flange designs to meet different installation requirements.

Specifications
Performance
Application

High pressure rating and wide speed range

The rotary components of the SA4VG series 40 adopt high-pressure resistant materials, enabling it to withstand a theoretical continuous pressure of 45 MPa and peak pressures of up to 50 MPa. Additionally, the internal bearings have been optimized and improved to enhance the speed capabilities of the pump, meeting the application requirements for high-speed, high-pressure, and frequent impact conditions.

Compact structure and high power density

The integrated design of the housing and rear cover of the SA4VG series 40 results in a more compact overall structure, making it suitable for installations in confined spaces. Moreover, with its higher pressure rating and expanded speed range compared to the SA4VG series 32 , it offers significantly improved power density.

Modular control design

The SA4VG series 40 variable displacement pump offers seven control modes, including HW (mechanical servo proportional control), EP (electrical proportional control), and EZ (electronic on-off control). Notably, the EP electrical proportional control provides convenient operation, allowing precise control of the pump's output flow by adjusting the current of the solenoid valve.

Advantages

? Integrated high-pressure relief valve for overload protection and low-pressure side replenishment in closed-loop circuits.

? Built-in replenishing pump serves as the control pump and replenishing pump for the closed system.

? Smooth change in hydraulic oil flow direction when the swash plate is in the neutral position.