Specifications of Bondioli & Pavesi Gear Pumps

1. HPL Series (Aluminum Gear Pumps)

• Body Material: Aluminum
• Displacement Range: 0.19 cc/rev to 90 cc/rev
• Pressure Ratings:
  • Continuous Pressure: Up to 220 bar (3191 psi), partial models up to 240 bar (3481 psi)
  • Intermittent Pressure: Up to 260 bar (3771 psi)
  • Peak Pressure: Up to 280 bar (4061 psi) to 310 bar
• Rotational Speed: 700 min⁻¹ to 3500 min⁻¹
• Group Sizes: 5 different group sizes (HPL PA 0, HPL PA 1, HPL PA 2, HPL PA 3, HPL PA 4)
• Features: Robust design, easy installation, optional flanges and shaft ends, can be assembled into multiple pumps with or without integrated valves. Suitable for power transmission, agriculture, construction and industrial equipment.

2. HPG Series (Cast Iron Gear Pumps)

• Body Material: Cast iron
• Displacement Range: 4.5 cc/rev to 90 cc/rev
• Pressure Ratings: Maximum operating pressure up to 320 bar
• Group Sizes: 3 different group sizes (HPG PA 2, HPG PA 3, HPG PA 4)
• Features: High pressure resistance, suitable for heavy-duty applications such as construction machinery and heavy agricultural equipment. It shares compatible components with partial series pumps.

3. HPZ & HPX Series (Silent Gear Pumps)

• Body Material: HPZ (Aluminum); HPX (Cast iron)
• Displacement Range: 6.1 cc/rev to 25.6 cc/rev (including HPZPA2 and HPXPA2 models)
• Pressure Ratings: Maximum peak pressure up to 300 bar (4351 psi), continuous pressure up to 240 bar (3481 psi), intermittent pressure up to 260 bar (3771 psi)
• Noise Reduction Performance: HPZ series reduces sound pressure level by 2 to 10 dB(A) compared with standard aluminum HPL series; HPX series further improves the noise performance of standard cast iron HPG series
• Features: Modular design, component interchangeability with HPL and HPG series, suitable for mobile, agricultural and industrial applications with noise restrictions.

4. MLP Series

• Structure Type: Single-direction and bi-directional gear pumps
• Features: Compact structure, easy installation, suitable for small and medium-sized agricultural machinery and gardening equipment. Common models include MLPD/L211D, MLPA114, MLPA211, etc. (specific displacement and pressure parameters are consistent with the matching model specifications of HPL series).