German Original Rexroth Gear Pump with 315 bar Maximum Pressure and 28cc to 500cc Displacement

PGH5-3X/100RR11WU2
PGH5-3X/063RE11VU2
PGH5-3X/080RR11WU2
PGH5-2X/250RE07VU2-A388
PGH4-2X/025RE11VU2-A280B Hydraulic pump, German original Rexroth quantitative gear pump, industrial high pressure

FAQ:

FAQ for PGH Series Gear Pumps

1. What core advantages make the PGH Series Gear Pumps suitable for industrial use?

The PGH Series stands out for its high pressure stability (supporting working pressures up to 250 bar for most models), compact structural design (saving installation space in hydraulic systems), and low noise operation (noise levels as low as 65 dB under rated conditions), making it ideal for continuous-duty industrial scenarios.

2. What precautions should be taken during the installation of PGH Series Gear Pumps?

• Ensure the pump’s rotational direction matches the system’s requirements (reverse rotation can cause internal component damage).

• Keep the suction line length within 1 meter and avoid sharp bends to prevent insufficient oil suction.

• Tighten the flange bolts to the torque specified in the manual (typically 18-22 N·m for standard models) to avoid oil leakage or housing deformation.

3. What type of hydraulic oil is suitable for PGH Rexroth Gear Pumps?

It is recommended to use hydraulic oil that meets ISO VG 46 or ISO VG 68 specifications. The oil should have good anti-wear and anti-oxidation properties, and the oil temperature during operation should be controlled between -10°C and 80°C to avoid affecting pump performance.

4. How often should maintenance be performed on PGH Rexroth Gear Pumps?

For general industrial applications, routine inspection (checking oil level, temperature, and leakage) should be conducted monthly; oil change and filter replacement are recommended every 6 months or after 2000 hours of operation; a comprehensive disassembly and inspection of the pump should be carried out every 2-3 years.

5. Can PGH Rexroth Gear Pumps be used in high-temperature environments for a long time?

No. The maximum allowable long-term operating temperature of PGH Rexroth Gear Pumps is 80°C. Prolonged use in environments exceeding this temperature will accelerate the aging of internal seals and bearings, significantly reducing the pump's service life and even causing sudden failures.

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