PT3 + PR1

PR1 piston pump driven by a GR3 gear pump

General characteristics

General characteristics

  • Type of construction: Two-stage pump with fixed displacement
  • High Pressure Pump: 1 displacement pump with fixed displacement
  • Low Pressure Pump: Gear pump Group 1
  • Mounting: Exterior or immersed (*)
  • Direction of rotation: Timetable or counterclockwise (*)
  • Operating speed: 300-1800 rpm; 900-1500 rpm
  • Hydraulic fluid: Mineral oil DIN 51524-51525
  • Theoretical fluid temperature range: -10°C – 70°C
  • Optimum fluid temperature range: 30°C – 50°C
  • Fluid viscosity: 4 – 300 cST (1.3 – 40°E)
  • Viscosity of the fluid at work: 10 – 30 cST (1.8-4°E)
  • Filtering: 60 – 90 μm

(*) To be specified when ordering

Hydraulic features

PT3-22/PR1
PT3-26/PR1
PT3-33/PR1
PT3-38/PR1
PT3-44/PR1
PT3-48/PR1
PT3-55/PR1

Displacement BP [cc/giro]: 22.10
BP flow rate [l/min]: 32.00
BP Maximum Pressure [bar]: 250
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.46 – 1.50
Maximum pressure AP [bar]: 300 – 800

Displacement BP [cc/giro]: 26.20
BP flow rate [l/min]: 38.00
BP Maximum Pressure [bar]: 250
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.46 – 1.50
Maximum pressure AP [bar]: 300 – 800

Displacement BP [cc/giro]: 33.10
BP flow rate [l/min]: 48.00
BP Maximum Pressure [bar]: 250
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.30 – 1.06
Maximum pressure AP [bar]: 300 – 800

Displacement BP [cc/giro]: 37.90
BP flow rate [l/min]: 54.90
BP Maximum Pressure [bar]: 250
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.46 – 1.50
Maximum pressure AP [bar]: 300 – 800

Displacement BP [cc/giro]: 44.10
BP flow rate [l/min]: 63.90
BP Maximum Pressure [bar]: 250
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.46 – 1.50
Maximum pressure AP [bar]: 300 – 800

Displacement BP [cc/giro]: 48.30
BP flow rate [l/min]: 70.00
BP Maximum Pressure [bar]: 230
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.46 – 1.50
Maximum pressure AP [bar]: 300 – 800

Displacement BP [cc/giro]: 55.10
BP flow rate [l/min]: 80.00
BP Maximum Pressure [bar]: 210
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.46 – 1.50
Maximum pressure AP [bar]: 300 – 800

PT3-63/PR1
PT3-75/PR1
PT3-90/PR1

Cilindrata BP [cc/giro]: 63.40
BP flow rate [l/min]: 91.90
BP Maximum Pressure [bar]: 210
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.46 – 1.50
Maximum pressure AP [bar]: 300 – 800

Cilindrata BP [cc/giro]: 74.40
BP flow rate [l/min]: 107.80
BP Maximum Pressure [bar]: 180
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.30 – 1.06
Maximum pressure AP [bar]: 300 – 800

Cilindrata BP [cc/giro]: 88.20
BP flow rate [l/min]: 127.90
BP Maximum Pressure [bar]: 150
Displacement AP [cc/giro]: 0.30 – 1.06
AP range [l/min]: 0.46 – 1.50
Maximum pressure AP [bar]: 300 – 800

For the choice of the high pressure stage, refer to the following link: PR1-XX