Oscillating Piston Pumps

Alloy Pumps

Oscillating Piston Pumps

GREENPUMPS GPHV Alloyed Oscillating Piston Positive Displacement Pumps are designed and manufactured for applications requiring constant flow and self-regulating operation at high pressure.

All GREENPUMPS pumps are designed to ensure zero leakage even under extreme operating conditions, thanks to their structural features.

The absence of mechanical seals or packing eliminates hazardous emissions, thereby protecting both the environment and workers.

  • From 1 to 30 m³/h (3.6 to 110 GPM), at both 50 Hz and 60 Hz Flow Rate
  • Up to 5 bar (72 PSI) Pressure
  • Between -20°C (-4°F) and 120°C (248°F) Temperature Range

Technical Info

Technical Specifications

Pressure Up to 5 bar (72 PSI)
Flow Rate From 1 to 30 m³/h (3.6 to 110 GPM), at both 50 Hz and 60 Hz
Dry Self-Priming Up to 7 meters (23 feet) of water
Temperature Range Between -20°C (-4°F) and 120°C (248°F)
Specific Gravity Up to 2 kg/dm³
Viscosity Up to 2000 cSt
System Pressure 16 bar (232 PSI)

Technical Document

Technical Documents

  • Data Sheet3D
  • Performance Curves3D

Product Details

Description

Self-Priming: The pumps provide remarkable vacuum lift by automatically priming themselves under demanding conditions. The vacuum in the suction pipe is 0.7–0.8 bar.

Reverse Flow: The pumps can operate with the same performance in both directions, which can be achieved through a simple adjustment.

Low Maintenance: The spring mechanism allows the pumps to operate across a wide viscosity range, handle solid particles in suspensions, and automatically adjust their operating ranges based on wear or thermal expansion.

Low Speed: The low rotational speed enables the pump to handle high-viscosity fluids and shear-sensitive fluids. It also ensures reliability and a long service life.

Dry Self-Priming without causing damage

Low maintenance costs

High MTBF (Mean Time Between Failures)

High-torque magnets

Pumps compliant with the ATEX Directive, Category EX II 2 G, are also available.

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