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Auto-prime Pumps

Simplify your bypass or dewatering set-up with ultra-efficient, low-maintenance dry self-priming pumps.

The portable pump workhorse.

Auto-prime pumps prime quickly under any conditions, making them ideal for mobile applications where transfer of dirty liquid, with or without solids, is needed.
They work by removing air from the inlet pipe automatically using an in-built vacuum system.
Prime Fluid Management is the sole importer of BBA pumps, recognised globally for their performance, portability and design.
The BA Series pumps are highly efficient, and require minimal maintenance, making them a dependable asset on site.
Engineering Excellence

Designed for simplicity

BBA BA-Series auto prime pumps are easy to move, access and operate. They are engineered to limit wear without compromising performance.
  • Fully bunded unit with a large composite fuel tank and fluid containment system to eliminate spill risk
  • Quickly prime and re-prime, even from dry conditions
  • Fully galvanised, sound-attenuated canopies protect and silence the units
  • Corrosion-free composite doors
  • 500 - 1500hr service intervals
  • BBA 4-year limited warranty
Designed for simplicity
Superior Efficiency

Unbeatable economy

Available in electric or diesel drive with new fuel technologies in development, BBA pumps deliver superior fuel economy without compromising on performance.

  • Pumps consume as little as 1/L per hour* when operating on curve.
  • Unbeatable fuel economy across all models
  • Requires smaller engine to deliver head and flow of comparable pumps in-market
  • Available with EU Stage V compliant engines for improved environmental compliance
    *BA75 or BA100
Unbeatable economy

Overview of our Auto-prime Pumps

BA-Series Electric Pumps

Available open frame or silenced canopy, use BA-series electric pumps indoors or in sensitive urban locations.

  • Size: 32mm - 800mm
  • Max flow: 3250m3/hr
  • Max head: 115mwc
  • Solids: Up to 145mm
BA-Series Diesel Pumps

Delivering extreme fuel economy, BA Diesel pumps limit emissions by delivering performance at low RPM.

  • Size: 50mm - 700mm
  • Max flow: 7800m3/hr
  • Max head: 220mwc Solids: up to 259mm
High Head Pumps

Combining vacuum assistance and impeller efficiency for reliable fluid handling where significant suction lifts and discharge pressure is required.

  • Size: 75mm - 400mm
  • Max flow: 3250m3/hr
  • Max head: 115mwc
  • Max solids: 25mm
Pipes & Hoses We stock a range of HDPE pipe, layflat hoses and accessories and will advise on the product that best-suits your application.
Accessories Prime Fluid Management holds stock of a wide range of quality fittings and dewatering accessories.

  • Bauer Fittings & adapters
  • Strainers 
  • Fuel tanks & generators
PTO Tractor Pumps

Compact, economical, efficient, BBA PTO Tractor pumps perform vacuum-based tasks on demand, including high-volume fluid and slurry transfer.

  • Size: 150 - 400mm
  • Max flow: 3000m³/hr
  • Max head: 29mwc
  • Max solids: 100mm
BBA BA400 Relocatable Flood Control Pump

The BA400 D540 is a relocatable auto-priming centrifugal pump used for flood control or large-scale emergency response. EPA Tier 4 Volvo Penta diesel engine, 85% efficiency at BEP.  Four-year BBA Limited Factory Warranty.

  • Max flow: 3250m3/hr
  • Max head: 25mwc
  • Max solids: 100mm
  • Sound: 65dB @10m
BBA BA500 Relocatable Drainage Pump

Producing 37psi and with a favourable NPSHr curve, the BA500g D675 flood control pump will discharge water over long distances through extended pipelines. It is suited to dredging, land reclamation and surface-mounted flood control. Four-year BBA Limited Factory Warranty.

  • Max flow: 4500m3/hr
  • Max head: 26mwc
  • Max solids: 115mm
  • Sound: 75dB @10m
BBA BA600 Ultra-high Flow Flood Control Pump

The BA600 D743 is ideal for tackling high water during heavy rain events and flooding. It is quiet and features exterior lighting, lifting features and automatic levelling.  Efficiency is 88% BEP. Four-year BBA limited factory warranty.

  • Max flow: 6,500m3/hr
  • Max head: 31psi
  • Max solids: 135mm
  • Noise: 75bD @10m
GALLERY

In the field

Here are some examples of our solutions being used.

Read Dewatering, Bypass & Sewage articles

Download the Civil, Quarrying & Mining Product Guide 2026

See other Dewatering, Bypass & Sewage Pumps

They brought their mechanics, they didn't just dump it and leave….couldn't have done it without them to be honest

Mark CadwalladerCatchment Worker

This sort of unique system you set up is what sets you apart from others in the Market

Jacob Warmsley Project Manager

I had an amazing experience with Prime Pump at the Transmission Gully ... will recommend you guys anytime and anywhere.

Peter FisherDirector

You guys had our backs from the get-go and stood beside us and persevered.

DaveOps Director

We called for a different type of solution…... We were pretty happy with what's been delivered

Rob KerrProject Director

Prime supplied us with the best solution for hire and the instant availability was what we needed… We certainly will be using them in the future

Priscilla EllmersWastewater Supervisor

Make an enquiry

Let’s sort your fluid management needs 
Speak to an expert

Brent Petrie

Brent Petrie
Sales Engineer

Charlie Petrie

Charlie Petrie
Sales Manager

Mark Cadwallader

Mark Cadwallader
Hire Account Management

Questions

FAQ

At Prime Fluid Management, we understand that every fluid management challenge brings unique considerations. Here, you’ll find clear, practical answers and expert guidance to help you maximise uptime, achieve regulatory compliance, extend equipment life, and implement the most effective solution for your site. 

Is an auto-prime pump the same as a “dry prime” or dry-prime dewatering pump?

On a lot of drawings and pump schedules, dry-prime pump or dry-prime dewatering pump is used as shorthand for a surface pump that can handle air and doesn’t need manual priming. In practice, the auto-prime units that Prime Fluid supplies are vacuum-assisted pumps with a dedicated priming system, so they meet the intent of most “dry prime” specs while giving you a modern, quieter and more efficient package.

When would I use auto-prime dewatering pumps instead of a self-priming dewatering pump or submersible?

Auto-prime units are usually the better option when the pump has to sit above the water, suction conditions might change, or you expect a lot of air to enter the line during setup and operation. A self-priming dewatering pump or submersible can still be the right choice on simpler, more static jobs, and Prime can talk you through which option will be more reliable and cost-effective for your site.

Do you supply diesel dewatering pumps and can they be automated?

Yes – Prime can supply auto-prime packages as diesel dewatering pump sets or electric sets, depending on what power you have available and how the system will run. With the right control panel and level sensors, those same units can be configured as an automated pump or “auto water pump” that starts and stops itself, which is helpful on remote or 24/7 sites where you don’t want someone constantly watching the pump.

Can Auto-prime Pumps be used for flood control and emergency response?

Auto-prime units are a good fit for temporary flood control pumps because they can be moved quickly, cope with long suction and discharge lines, and re-prime themselves as water levels change. Prime Fluid can set up high-flow Auto-prime Pump solutions for New Zealand councils and contractors that form part of a wider flood or stormwater contingency plan.

What information do you need to size the right Auto-Prime Pump in New Zealand?

To match an Auto-Prime Pump New Zealand job, one of our  sales engineers will usually ask for your required flow, total dynamic head, suction depth, discharge route, expected solids size and how long the pump needs to run. If your documents mention terms like autoprime dewatering pumps, auto vacuum pump or use a generic “dry prime” note, sending those details through with a simple sketch of the setup helps the team recommend the most suitable package for your project.