Diaphragm Pumps

Versatile, reliable diaphragm pumps engineered for chemicals, slurries, abrasive fluids and food-grade applications — available in air, electric, petrol and diesel configurations.
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Browse Series
5.1 Air Operated Double Diaphragm Pumps
  • Available in air, electric, petrol and diesel drive options
  • Handles viscous, abrasive or corrosive fluids with ease
  • Self-priming, dry-running and capable of variable flow control
Built for industrial, chemical, wastewater and general-process duties, our diaphragm pumps deliver dependable fluid-handling performance with low maintenance.

Browse Diaphragm Pump Series

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Industry
Application
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Auto Dry Prime Pumps
Automatic self-priming pumps for fast, unattended startup.
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Wet Prime Pumps
Cast iron wet-prime pumps for water and light solids.
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Heavy Duty Trash Pumps
Rugged trash pumps for slurry, sludge, and site water.
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High Pressure Trash Pumps
High-pressure trash pumps for deep lift and long runs.
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Wellpoint Dewatering Piston Pumps
Piston-driven wellpoint systems for trench dewatering.
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Remko ISO Series Pumps
ISO-standard pumps for industrial and process duties.
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Remko DIN Series Pumps
DIN-standard pumps for plant and industrial systems.
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Close-Coupled Centrifugal Pumps
Compact units for clean water and light chemicals.
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Horizontal Multistage Pumps
Multistage pumps for high pressure and efficiency.
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Vertical Multistage Pumps
Space-saving vertical pumps for high-pressure service.
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Split Case Centrifugal Pumps
Double-suction pumps for high-flow water transfer.
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Mild Trash Pumps
Centrifugal pumps for water with small solids.
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High Head Dewatering Pumps
High-lift pumps for deep or long-distance transfer.
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Standard Dewatering Pumps
Reliable pumps for general site or mine dewatering.
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Drainage Pumps
Lightweight submersibles for flood and groundwater.
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Vortex Pumps
Submersibles with vortex impellers for solids handling.
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Sewage Cutter / Grinder Pumps
Submersibles with cutters for sewage and fibrous waste.
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Single Channel Pumps
Submersibles with open channel impellers for wastewater.
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Sludge / Slurry Pumps
Heavy-duty pumps for abrasive sludge and slurries.
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Amphibious Pumps
Submersible pumps for land or water operation.
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Axial Flow Pumps
High-volume axial pumps for flood and irrigation.
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Slurry Pumps
Robust pumps for abrasive mining and process slurries.
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Chemical Dosing & Metering Pumps
Precision pumps for measured chemical dosing.
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Peristaltic Hose Pumps
Gentle hose pumps for slurries, pastes, and chemicals.
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Helical Rotor Pumps
Progressive cavity pumps for viscous and shear fluids.
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Rotary Lobe Pumps
Sanitary pumps for food and sensitive products.
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Hygienic Centrifugal Pumps
Clean-in-place pumps for food and beverage use.
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Magnetic Drive Pumps
Seal-less pumps for hazardous or volatile fluids.
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Gear Pumps
Positive displacement pumps for oils and fuels.
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Piston / High Pressure Pumps
High-pressure pumps for washdown and mine service.
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Screw (Non-Clog) Pumps
Non-clogging screw pumps for fibrous materials.
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Air Operated Double Diaphragm Pumps
Versatile AODD pumps for chemicals and slurries.
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Electric Diaphragm Pumps
Electric diaphragm pumps for transfer and dosing.
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Petrol Diaphragm Pumps
Petrol-driven diaphragm pumps for site work.
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Filter Vessels
Pressure-rated vessels for liquid filtration.
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Filter Bags
Replaceable filter bags for solids separation.
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Filtration Skids
Skid-mounted systems for multi-stage filtration.
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Oil / Water Separator
Systems for removing hydrocarbons from wastewater.
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Mixers & Agitators
Mechanical mixers for tanks and process systems.
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Submersible Aerators
Submerged aerators for wastewater treatment.
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Accessories & Spare Parts
Hoses, valves, fittings, and spare components.
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Diesel Pumpsets
Diesel-driven pumps for site and mine operations.
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Electric Pumpsets
Electric-driven pumps for fixed installations.
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Hydraulic Pumpsets
Hydraulic-powered pumps for mobile systems.
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PTO Pumpsets
Tractor-driven pumps for farm and irrigation.
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Trailer Pumpsets
Towable pumps for flexible site deployment.
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Acoustic Pumpsets
Noise-reduced pumpsets for sensitive sites.
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Mining Pump Packages
Custom pump packages for mine dewatering.
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Irrigation Pump Packages
Complete pump systems for agricultural water.
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Pressure Booster Pump Packages
Packaged systems for water pressure boosting.
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Stand-Alone Standpipes
Fixed standpipes for truck or tanker filling.
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Standpipe & Pump Packages
Combined pump and standpipe systems.
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Mobile Standpipe Systems
Portable standpipes for flexible site use.
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Pumpset Hire
Hire pumpsets for temporary site applications.
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Standpipe (Standalone) Hire
Hire standpipes for short or long-term use.
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Standpipe & Pump Package Hire
Hire packages combining standpipe and pump.
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Fuel Cell / Diesel Tanks Hire
Portable fuel tanks for refuelling on site.
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Accessories Hire
Hire hoses, fittings, and other accessories.
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Diaphragm pumps, specified correctly.

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What our clients say
Principal Engineer Leading Australian University

5 stars

"Allflo got us out of a tight spot and delivered exactly what we needed — fast, effective, and reliable."

Principal Engineer
Leading Australian University

Engineering Manager Dairy Processing Facility (VIC)

5 stars

"Reliable, industrial-strength gear. Built tough, delivered fast, and still running strong."

Engineering Manager
Dairy Processing Facility (VIC)

Site Supervisor Kirkland Lake Gold – Cosmos Village

5 stars

"Allflo handled everything — the design, delivery, and on-site commissioning. Seamless from start to finish."

Site Supervisor
Kirkland Lake Gold – Cosmos Village

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