The difference between gear and piston pump

August 26, 2025 Other
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FIREMIKS stands out by offering two types of dosing pumps — Piston and Gear pumps —alongside a robust multi-vane motor based on over 35 years of market experience. When working with clients, apart from considering flows and pressures, we prioritize understanding the concentrate type and viscosity, before recommending the suitable pump type and accompanying installation advice.  

Important to know is that all Piston pumps systems on the market have a limit upwards on handling viscosity concentrates, due to the Piston pump reciprocating principle; for each revolution, the plunger sucks concentrate and then presses it out and the concentrate goes from zero to full speed twice per revolution. If the static viscosity is too high with non-Newtonian concentrates, the concentrate might not flow smoothly and therefore the correct dosing rate may not be achieved.  

Typically, our Piston pump models excel in systems with low start-up flows relative to the maximum flow rate, ideal for applications like sprinkler systems, providing versatility across a wide flow range. 

Our unit equipped with Gear pumps excel with high-viscosity fluids due to their counter-rotating gears that create a consistent, non-agitating flow, ensuring effective sealing with such fluids. Our Gear pump models are also particularly efficient in applications operating at the higher end of the maximum flow rate, such as deluge and large fire monitor systems. 


 

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