Interpump Series47 Pump

The Interpump DERS 3 is a precision Italian pump designed for low-flow, high-accuracy applications. Delivering 0.8 GPM (3.0 L/min) at 15 PSI (1 bar) at 3 RPM, this triplex plunger pump is ideal for misting, fogging, sanitisation, and humidity control. AES Waterblasters is New Zealand’s authorised distributor for Interpump Group, with full spare parts and service support available from our Auckland facility.

Specifications

Specification Value
Model DERS 3
Flow Rate 0.8 GPM / 3.0 L/min
Max Pressure 15 PSI / 1 bar
Speed 3 RPM
Power 3.0 HP (1.0 kW)
Weight 5.0 kg
Type Triplex Plunger

Applications

  • Misting and fogging systems
  • Small commercial pressure washers
  • Sanitisation and odour control
  • Humidity control systems

Key Features

  • Heavy-duty triplex plunger design for long service life
  • Ceramic plungers for superior wear resistance
  • Stainless steel valve assemblies
  • Forged brass or nickel-plated head construction
  • Precision-machined crankshaft and connecting rods
  • Double-lip seals for reliable sealing and low maintenance
  • Manufactured by the world’s largest high-pressure pump group

Technical Documents

Parts & Service

AES Waterblasters carries a comprehensive range of genuine spare parts for Interpump pumps, including seals, valves, plungers, bearings, and all common service items. Contact us on 09 271 4782 or visit our Auckland showroom for parts enquiries.

Related Models

Other Interpump ET Series pumps:

Servicing and repairs

We service and repair water blasters of all makes and models, not just our own, from our fully equipped workshop in East Tamaki, Auckland. Pump rebuilds, unloaders, burners, engines and full machine inspections, with water blaster servicing and repairs available across Auckland and nationwide.

Book a service

    Our Client Testimonials

    Our Partners