Graco Inc.

SaniForce 3A Electric Operated Double Diaphragm Pump 

The SaniForce 3A pump range is designed to safely & effectively handle applications requiring 3A certification such as diary, yoghurt, cottage cheese & ice cream ingredient transfer.

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Graco’s SaniForce 3A Electric Operated Double Diaphragm pumps provide the same great self-priming, stalling, seal-less design coveted by air operated pumps in an electric package that can solve many of the problems associated with rotary positive displacement pumps. Graco's patented air-charged center all but eliminates pulsation on the fluid outlet of the pump providing a smooth steady flow idea for in process applications, filling systems, and sanitary/hygienic applicator applications.

How it works?

Different than an air-operated diaphragm pump this pump uses an electric drive instead of compressed air to move the diaphragms. The center section is filled with pressurized air and is mechanically moved left/right by the motor, pushing and pulling the diaphragms from left to right. This back-and-forth motion, forces liquid out of one chamber into the outlet manifold, while filling the opposite fluid chamber via the inlet manifold


SaniForce Drum Unloader

Advantages of the SaniForce 3A electric pump

  • Energy efficient electric drive & less noise
    Electric drive reduces energy consumption up to 5 times and provides additional pump control.
  • PTFE/EPDM overmolded Diaphragms (bolt-through options available)
    Overmolded diaphragm plates with PTFE on the fluid side and EPDM on the air side do not contain crevices for harboring bacteria Tri-clamp and DIN connections for easy cleaning, sanitization and service
  • Tri-clamp and DIN connections for easy cleaning, sanitization, and service. 
  • Patented air charge reduces pulsation for smooth flow

Which pump type works best for your application?

The SaniForce drum unloader is available with air-operated double diaphragm pump or a piston pump.
Use the selector tools below, to choose the best working pump type for your application.


Sanitary Unloader Selector
Chemical Compatibility Guide

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Saniforce 3A 2150 Electric

Saniforce 3A 2150 Electric

  • Max flow rate: 537lpm (142gpm)
  • Max fluid pressure: 6.9bar (100psi, 0.69MPa)
  • Max pumpable solids: 6.4mm (1/4”)
  • Viscosity range: Up to 20.000cps

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