Rexroth Hydraulic Pump PGH4-21/063RE07VE4 High-Pressure Long Service Life Low

Product Specification

Description:

The Rexroth Hydraulic Pump PGH4-21/063RE07VE4 is a high-performance internal gear hydraulic pump manufactured by Bosch Rexroth, belonging to the PGH series of hydraulic pumps. This pump features a fixed displacement design, providing stable hydraulic flow and is suitable for a variety of industrial hydraulic systems. Displacement: 21 cc/rev (21 cubic centimeters per revolution). Maximum operating pressure: Up to 210 bar (approximately 3,045 psi), capable of meeting the requirements of high-pressure hydraulic systems. Maximum flow rate: At rated speed, it can provide a flow rate of up to 126 L/min (approximately 33.3 US gal/min). The pump supports multiple connection methods, including flange connections and shaft connections, facilitating integration into different hydraulic systems. It features an involute tooth profile, effectively reducing flow and pressure pulsations while minimizing operational noise. The PGH4 series pumps have a compact size and lightweight design, making them easy to install in equipment with limited space. Through optimized internal structure, the pump maintains high operational efficiency even under high-pressure and high-flow conditions.
 

Application Areas:

Construction Machinery: The Rexroth Hydraulic Pump PGH4-21/063RE07VE4 is widely used in construction machinery such as excavators, loaders, and cranes. Its high-pressure and high-flow characteristics provide powerful hydraulic power for hydraulic cylinders and motors, supporting rapid equipment movements and high-load operations. For example, in the extension and retraction of the excavator's boom and the tilting of the bucket, the pump provides stable hydraulic power, ensuring smooth and efficient operation.
Industrial Automation: In industrial automation production lines, hydraulic systems are commonly used to drive robotic arms, hydraulic presses, and hydraulic shears. The PGH4-21/063RE07VE4 hydraulic pump can seamlessly integrate with automated control systems, receiving signals from PLCs or other controllers to precisely control the movements of hydraulic cylinders or hydraulic motors. Its high-precision flow control capability ensures the accuracy of robotic arm operations such as gripping, handling, and assembly, thereby enhancing production efficiency and product quality.
Plastic processing and injection molding machinery: In plastic processing and injection molding machinery, hydraulic systems are used to drive mold opening/closing, injection, and holding pressure actions. The Rexroth Hydraulic Pump PGH4-21/063RE07VE4 provides stable high-pressure and high-flow hydraulic power, ensuring the stability of the injection molding process and product quality. Its high-pressure performance meets the high injection pressure requirements of injection molding machines, while its rapid response capability reduces injection cycles and improves production efficiency.
Shipbuilding and marine engineering: Ship hydraulic systems include steering systems, crane systems, and anchor systems, which must operate reliably in harsh marine environments. The corrosion resistance and high reliability of the Rexroth Hydraulic Pump PGH4-21/063RE07VE4 make it an ideal choice for ship hydraulic systems. In ship steering gear systems, this pump can quickly and accurately switch the direction of hydraulic oil flow, enabling the rudder blade to respond swiftly to the helmsman's commands and enhance the ship's maneuverability.

Advantages:

High flow and high-pressure capability: The PGH4-21/063RE07VE4 hydraulic pump can deliver high-pressure hydraulic oil at high flow rates, meeting the demands of complex hydraulic systems. It has a maximum operating pressure of 210 bar and a maximum flow rate of 126 L/min, providing powerful drive for hydraulic cylinders and hydraulic motors.
Low-noise operation: Featuring an involute tooth profile design, it effectively reduces operational noise, providing operators with a more comfortable working environment.
High efficiency: Its optimized internal structure design ensures high operational efficiency even under high-pressure and high-flow conditions, minimizing energy waste.
Durable design: The valve body is made of high-strength aluminum alloy material, offering excellent corrosion resistance and mechanical strength, enabling stable long-term operation in harsh working environments. Its internal components undergo precision machining and rigorous testing to ensure durability under high-frequency switching and high-load conditions.
Low leakage rate: The pump features excellent sealing performance with a multi-stage sealing design, effectively reducing hydraulic oil leakage. A low leakage rate not only improves hydraulic system efficiency and reduces energy waste but also minimizes environmental pollution and equipment failure risks caused by hydraulic oil leakage.
Long service life: After rigorous quality inspection and service life testing, the pump can operate stably for extended periods under high-frequency switching and high-load conditions. Its long design service life and low maintenance costs help users save on equipment maintenance and replacement expenses, enhancing the cost-effectiveness of the equipment.
Compact structure: The PGH4 series pumps feature compact dimensions and lightweight design, making them easy to install in equipment with limited space. Its design prioritizes integration convenience, enabling seamless integration into existing hydraulic systems.
Flexible Electrical Interfaces: Supports multiple electrical connection methods, including 24V DC power supply, facilitating integration into automated control systems.
Easy Maintenance: The pump is designed for easy maintenance, with key components that are simple to disassemble and replace. Its internal filtration system effectively prevents contaminants from entering the pump, reducing the risk of failures caused by contaminants.

 
FAQ:
 
Q1: Wonder if you accept small orders?
A1: Do not worry. Feel free to contact us .in order to get more orders and give our clients more convener ,we accept small order.
 
Q2: Can you send products to my country?
A2: Sure, we can. If you do not have your own ship forwarder, we can help you.
 
Q3: What's your payment terms ?
A3: By T/T,LC AT SIGHT,100% full payment.
 
Q4: How long is your production lead time?
A4:It depends on product and order qty. Normally, it takes us 15 days for an order with MOQ qty.
 
Q5: When can I get the quotation ?
A5: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation.Please call us or tell us in your mail, so that we could regard your inquiry priority.