When it comes to fire suppression, speed, reliability, and flow consistency are non-negotiable. In high-risk industries like mining, oil & gas, and remote operations, relying on gravity-fed systems or inconsistent pump pressure can put both assets and lives in danger. That’s why many professionals are turning to a positive displacement fire pump—the ideal solution for low-flow, high-pressure fire suppression applications.

At MultiTorque, we supply, service, and support positive displacement pumps designed specifically for demanding fire protection systems. Built tough, engineered for consistency, and ready when you need them most, these pumps offer a superior option where centrifugal pumps may fall short.

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What Is a Positive Displacement Fire Pump?

A positive displacement fire pump is a pump that moves a fixed amount of fluid with each rotation, stroke, or cycle. Unlike centrifugal pumps that rely on kinetic energy, positive displacement pumps trap fluid in a cavity and force it through the discharge line.

They are ideal for:

• Systems requiring high pressure at low flow rates

• Applications where viscous fire suppressant fluids are used

• Situations that demand consistent volume output regardless of pressure changes

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Types of Positive Displacement Pumps Used in Fire Systems

There are two main types commonly used in fire suppression setups:

1. Rotary Gear Pumps

These pumps use meshing gears to move fluid with precision. They are ideal for:

• Diesel fuel delivery to fire pump engines

• Lubricant or chemical injection systems

• Compact and mobile suppression setups

2. Rotary Vane and Piston Pumps

Offering greater pressure capabilities, rotary vane and piston pumps are commonly used in:

• Pre-engineered fire suppression systems

• Remote installations with pressurized suppressant agents

• Portable and vehicle-based fire units

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Where Positive Displacement Fire Pumps Excel

Positive displacement fire pumps shine in niche fire suppression environments where centrifugal models may struggle.

1. Mobile Equipment Suppression
Heavy machinery like dozers and loaders often rely on pre-charged systems. A positive displacement pump delivers controlled fluid injection to extinguish fires quickly.

2. Fixed Remote Installations
In isolated or off-grid areas, pressure loss can’t be tolerated. These pumps deliver predictable output even when line resistance changes.

3. Viscous Agent Transfer
Foams, gels, and chemical suppressants can gum up centrifugal pumps. Positive displacement models handle thick or non-Newtonian fluids with ease.

4. Emergency Diesel Supply Systems
When a fire hits, your backup engine needs fuel—fast. Gear-driven pumps ensure your diesel delivery system is pressurized and ready.

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Key Benefits of Positive Displacement Fire Pumps

• ✅ Constant Flow — Delivers the same volume regardless of system pressure

• ✅ Self-Priming — Pulls fluid into the pump even when suction head is low

• ✅ High Pressure Output — Ideal for long hose runs or elevation gain

• ✅ Compact Design — Fits into tight enclosures or mobile skids

• ✅ Multi-Fluid Compatibility — Handles foam, chemicals, diesel, and more

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Custom Fire Pump Solutions by MultiTorque

At MultiTorque, we don’t just sell off-the-shelf parts. We offer custom-built fire pump systems tailored to your specific suppression needs. Whether you’re outfitting a vehicle, upgrading a mine-site fire unit, or integrating into a fixed installation—we can help.

We can supply:

• Pump-only kits

• Diesel-powered pump skids

• Trailer-mounted suppression units

• Hoses, fittings, and control panels

• Full assembly, commissioning, and servicing

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Ready to Protect What Matters?

Your fire system is only as strong as its weakest component. Trust MultiTorque to supply high-performance positive displacement fire pumps built to protect your operation—no matter the hazard.

📞 Call 1300 726 525
🌐 Visit www.multitorque.com.au
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📧 Email: sales@multitorque.com