Rexroth Germany High Pressure Quantitative Gear Pump with 350 Bar Maximum Working Pressure 12 Months Warranty and 100% Tested

PGH4-2X/063LE47VU2 PGH4-2X/020RE11WU2 PGH3-2X/016LR07VU2
PGH4-2X/040RF18VK0 PGH3-2X/011RR07VU2 Hydraulic pump Rexroth Germany quantitative gear pump high pressure

FAQ:

Frequently Asked Questions (FAQ) for Rexroth PGH Series Gear Pumps

Q1: What is the PGH series gear pump, and what are its key features?

The Rexroth PGH series comprises fixed displacement, gap-compensated internal gear pumps known for their robust construction and efficient performance. Key features include high operating pressures (up to 350 bar), a wide speed range (typically 200 to 3000 rpm), and compatibility with various hydraulic fluids like HLP, HEES, and HFDU. Their design ensures smooth operation, precise flow control, and through-drive capability for multi-pump configurations.

Q2: What are the common applications for PGH pumps?

PGH pumps are widely used in industrial hydraulic systems, including ventilation and pressure compensation systems, mobile machinery, machine tools, and automation equipment. They are suitable for applications requiring reliable, continuous flow under moderate to high pressures.

Q3: What hydraulic fluids are compatible with PGH pumps?

PGH pumps are compatible with standard hydraulic fluids such as HLP, HEES (synthetic esters), and HFDU (phosphate esters). The optimal operating viscosity range is 10 to 300 mm²/s. Fluid temperature should generally be maintained between -10°C to +80°C for HLP fluids and -10°C to +50°C for special fluids.

Q4: What are the most common causes of gear pump failure?

Common failure causes include:

• Fluid Contamination: Dirt, debris, or air bubbles can cause internal wear, clogging, and failure.

• Overheating: Excessive heat can break down lubricants, damage seals, and cause bearing failure. This can result from high fluid temperatures, insufficient lubrication, or overloading.

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