Description
THM – A4VG – Variable Displacement Axial Piston Pump
The premium THM A4VG Variable Displacement Axial Piston Pump incorporates a swash plate mechanism to operate hydrostatic drives in closed-circuit systems. This pump provides top-level effectiveness alongside exceptional dependability and full control of power which makes it ideal for running in difficult mobile and industrial applications. When used in heavy machinery and construction equipment and agricultural systems the A4VG pump provides high-pressure output and extended durability.
Product Overview
The THM A4VG series exists specifically to provide support for hydrostatic transmission systems which require precise performance together with compact dimensions. The variable displacement function in this system allows real-time control of hydraulic flow and pressure output to boost system efficiency. The A4VG series works perfectly in applications that need adjustable power delivery systems which must keep operating continuously.
Mobile equipment including excavators and cranes together with harvesters benefit from the A4VG pump because of its advanced hydraulic technology design. This device operates as a self-priming unit while it accepts fluid either from pressurized storage tanks or through its built-in charge pump. The pump features through-drive coupling which enables connection to other pumps of matching capacity.
Key Specifications:
The pump range extends from 28 to 180 in size.
- Â Nominal Pressure: 400 bar
- Â Maximum Pressure: 450 bar
- Â Circuit Type: Closed loop
- Â Design Type: Swash Plate
- Â Application: Mobile and Industrial Hydrostatic Systems
The THM A4VG Axial Piston Pump includes these key features.
- Variable Displacement Control
The A4VG pump features a variable displacement system which enables users to modify the output flow based on their system needs. The system’s energy efficiency increases because it delivers hydraulic fluid only at needed times.
- High Operating and Peak Pressure
This hydraulic pump delivers exceptional performance through its 400 bar nominal pressure rating which extends to a maximum pressure limit of 450 bar. This hydraulic device performs well under heavy-torque applications that need dependable hydraulic power delivery.
- Rugged and Compact Build
Such a compact design allows the A4VG pump to operate as a heavy-duty piece of equipment. The pump maintains its small dimensions which enables it to adapt to restricted mechanical areas although it maintains strong performance alongside extended product life.
- Swash Plate Efficiency
The pump operates smoothly through its swash plate mechanism which produces minimal vibration and reduces noise emission. The design achieves efficiency along with a quieter working environment which helps operators stay comfortable while reducing their fatigue.
- Reliable in Closed-Circuit Systems
The pump excels in closed-circuit operations because it delivers both high efficiency and dependable power transmission. The loop design improves control while minimizing energy waste while removing the requirement for external water storage containers.
- Superior Sealing and Longevity
The A4VG pump makes use of modern sealing systems which minimize internal leakages and reduce machine wear to deliver extended service times as well as shorter downtime periods.
- Multiple Control Options
The pump system works with different control methods such as Hydraulic control and Mechanical control and Electric proportional control.
- Â Hydraulic control
- Â Mechanical control
- Â Electric proportional control
The pump features extensive control options which make it suitable for different mechanical and electrical control systems.
Working Principle of THM A4VG Pump
The THM A4VG functions through its swash plate system that steers the pistons located inside the cylinder block.
Swash Plate Mechanism:
The pump contains a cylinder block which rotates while using multiple pistons.
The motion of pistons depends on the swash plate position which moves them between two directions.
The pump’s fluid output depends on the swash plate angle position where steep angles extend stroke length and flat angles shorten it.
At zero angle, the flow output is halted completely.
Suction and Compression Stages:
During the suction phase, pistons retract and draw hydraulic fluid into the chambers.
During the compression phase, pistons push the fluid out through the outlet under high pressure.
This variable flow mechanism enables precise hydraulic control without stopping the system, which is essential for hydrostatic drive performance.
Applications of A4VG Axial Piston Pump
The THM A4VG is ideal for:
- Â Excavators
- Â Loaders
- Â Cranes
- Â Agricultural harvesters
- Â Road construction machines
- Â Industrial mobile equipment
- Â Hydraulic power units
Its high-pressure handling and adaptable controls make it suitable for both stationary and mobile environments.
Popular A4VG Model Types Available
Our A4VG product line includes various configurations such as:
A4VG125DA2D2/32R-NSF02F021PP, A4VG125DA2D8/32R-NSF02F001BP, A4VG125EP4D1/32R-NZF02F001DP-S, A4VG125EP4D1/32R-NZF02F001SP, A4VG125EP4DM1/32R-NSF02F001DP, A4VG125EP4DM1/32R-NZF02F001DH, A4VG125EP4DT1/32L-NZF02F021SH, A4VG125EP4DT1/32R-NTF02F071BP, A4VG175EP2DPR00/40MRNE4T11F0000AD00-0, A4VG180EP4DM1/32R-NZD02F021SH-S, A4VG40EP4D1/32R-NZC02F005DH, A4VG40EP4DM1/32R-NSC02F005DP, A4VG40HD3D1/32R-NSC02F003D, A4VG56EP4DM1/32R-NZC02F006DP, A4VG56HD3DM1/32L-NZC02F015S, A4VG56HD3DM1/32R-NSC02F005S, A4VG71DA1D3L/32R-NZF02F041FP, A4VG71EP4D1/32R-NZF02F001DH, A4VG71EP4DM1/32R-NSF02F001DP, A4VG90EP4D1/32R-NZF02F001SP, A4VG90EP4DT1/32R-NZF02F021SP-S, A4VG90EZ2DMT1/32R-NAF02F041DQ, A4VG90EZ2DMT1/32R+A10VO45DFR1/31+AZPG-22, A4VG90HD3D1/32L-NZF02F021D, A4VG90HWDM1/32R-NZF02F001S-S, AA4VG56EP4DT1/32R-NSC52F005SH-S, AA4VG56HD3DT1/32R-NSC52F005S-S, AA4VG90HWD1/32L-NSF52F001D
We offer numerous models with left or right rotation, various mounting flanges, and tailored control options. Our company offers complete assistance that covers both standard and custom variant requirements.
The THM A4VG Variable Displacement Pump represents an excellent choice for various reasons.
The pump finds acceptance from engineers throughout India because of its robust construction and efficient operation.
The product meets contemporary hydraulic requirements for precision and performance standards.
Available in a wide range of sizes and model types
The company provides technical expertise and service support.
The pump benefits from THM’s dedication to delivering high-quality products with excellent customer satisfaction.
Contact Us
The THM A4VG series provides India with its best Variable Displacement Axial Piston Pump solution. THM hydraulic equipment and this pump are open to all inquiries from potential customers.
View our current pricing information for associated technical datasheets or product availability by reaching out now.
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