Company News

Roquet Gear Pump Product Catalog

About Roquet Company

Roquet Group is a European leader in the production of hydraulic gear pumps and motors with more than 60 years of history. The company has 5 production facilities with a total area of 40,000 m², producing 180,000 pumps and 300,000 control valve housings annually. Roquet products are exported to more than 35 countries around the world.

Main Series of Roquet Gear Pumps

1. Series M (Group 0.5) — Aluminum Pumps

  • Working Volume Range: 0.33–1.33 cm³/rev
  • Maximum Pressure: 210–275 bar (depending on model)
  • Housing Material: Aluminum
  • Features: Compact size, light weight, high reliability
  • Applications: Small hydraulic systems, medical equipment, industrial robots

2. Series L0 (Group 1) — Aluminum Pumps

  • Working Volume Range: 1–6.63 cm³/rev
  • Maximum Pressure: 275 bar
  • Flow Rate at 1500 rpm: 1.5–10 l/min
  • Housing Material: Aluminum
  • Features: High efficiency, low noise level
  • Applications: Agricultural machinery, construction machinery, industrial installations

3. Series L/LN (Group 2) — Aluminum Pumps

  • Working Volume Range: 4–26.67 cm³/rev
  • Maximum Pressure: 275 bar
  • Housing Material: Aluminum
  • Features: Axial compensation via floating bearings, high-quality bushings, front flange and rear cover made of cast iron
  • Applications: Medium hydraulic systems, metal processing equipment, loaders

4. Series G/GZ (Group 2) — Aluminum Pumps

  • Working Volume Range: 4–26.67 cm³/rev
  • Maximum Pressure: 275 bar
  • Housing Material: Aluminum or cast iron
  • Features: GZ series — low-noise version, improved structural solutions compared to Series L
  • Applications: Hydraulic systems with high noise level requirements, mobile machines

5. Series PLA/MPLA (Group 3) — Aluminum Pumps

  • Working Volume Range: 18–56 cm³/rev (18, 24, 30, 36, 44, 50, 56 cm³/rev)
  • Maximum Flow Rate at 1500 rpm: 27–84 l/min
  • Maximum Pressure: 210–275 bar
  • Housing Material: Aluminum
  • Features: Ability to install built-in valves (for speed regulation), high performance
  • Applications: Large industrial installations, agricultural units, marine systems

6. Series PLC/MPLC (Group 4) — Aluminum Pumps

  • Working Volume Range: 53.33–150 cm³/rev
  • Maximum Pressure: 210 bar
  • Housing Material: Aluminum
  • Features: High power, resistance to overloads
  • Applications: Heavy construction equipment, dredgers, marine cranes

7. Series LZ — Aluminum Pumps

  • Working Volume Range: 4–26.66 cm³/rev
  • Maximum Pressure: 275 bar
  • Features: Improved gear geometry for noise reduction, high efficiency
  • Applications: Hydraulic systems with high efficiency requirements

Technical Specifications (Common to All Series)

Parameter
Value
Fluid Type
Mineral oil ISO 6743 type HM, HV or HG
Viscosity Range
20–80 mm²/s (at operating temperature)
Operating Temperature Range
-20 °C … +80 °C (standard version)
Oil Cleanliness Level
19/16 according to ISO 4406 or RP70H
Rotation Direction
Clockwise, counterclockwise and reversible
Suction Port Pressure Range
0.7–1.5 bar (absolute pressure)

Roquet Pump Model Coding

Each pump model has a unique marking, for example: 1L9DE10R, where:
  • 1 — Pump type (1 = pump, 2 = motor)
  • L — Series
  • 9 — Working volume (9 cm³/rev)
  • D — Shaft type
  • E — Flange type
  • 10R — Port type and rotation direction