Submersible Drainage Pumps

Continuous operation, minimal maintenance

Submersible drainage pumps remove or transfer excess water from work sites - either off-site or to where it’s needed, helping maintain dry, safe, and operational conditions in civil construction, mining, and quarrying across New Zealand.

By shifting water quickly, they reduce costly downtime and keep crews on the job. Because they run submerged, drainage pumps do not need priming and are less prone to cavitation. They are suited to water with fine abrasives and light suspended solids.

We supply a range of drainage submersible pumps to suit your conditions, from rainwater in trenches and excavations to pump stations and corrosive mine environments. Our team helps you specify the setup best suited to your drainage needs, including duty point, materials, and accessories, with service and support across New Zealand.

Grindex Submersible Pumps

Ultimate durability

Grindex pumps deliver optimal efficiency, reliability, and durability. Their advanced engineering includes run-dry technology, built-in thermal protection and modular construction for fast and efficient maintenance.

Proril Submersible Pumps

Dependable

Featuring chrome steel impellers, a special polyurethane cable and other smart technical solutions, Proril drainage submersibles guarantee optimal reliability when pumping excess water.

Overview of our Drainage Submersibles

Grindex Drainage Submersibles

Rugged, lightweight, run-dry electric submersibles.

Size: 50mm - 254mm (2” – 10”)
Max flow: 350L/s
Max head: 200m
Max Solids: 12mm

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Proril Drainage Submersibles Durable submersible series designed for optimal reliability.

Size: 50mm – 203mm (2” - 8”)
Max flow: 110 l/sec
Max head: 90m

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Proril Cutter Sewage Submersibles Featuring a chopper plate and tungsten carbide alloy tips the Proril GoCut Cutter series handles raw sewage, shredding fibrous materials to prevent clogging.

Size: 50mm –102mm (2” – 4”)
Max flow: 22L/sec
Max head: 20m
Max solids: 37mm

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Vortex Sewage Submersibles Proril GOVOX series vortex sewage submersibles transfer large solids and fibrous matter without obstruction.
They offer low impeller wear and long pump life.

Size: 50mm –102mm (2” – 4”)
Max flow: 28L/sec
Max head: 34m
Max solids: 55mm

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Grindex Stainless Handling pH 2 -11 Grindex INOX stainless steel submersibles perform in the harshest of dewatering environments.
Constructed from AISI 316 stainless steel minimum.

Size: 50mm – 203mm (2” – 6”)
Max flow: 130L/sec
Max head: 200m
Max solids: 80mm

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Proril Stainless Handling pH 4-10, the Proril stainless range of corrosion-resistant, durable pumps transfer clean or slightly contaminated water in demanding environments.

Size: 50mm – 76mm (2” - 3”)
Max flow: 11L/sec
Max head: 20m
Max solids: 40mm

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Hydraulic Drainage Submersibles Powered by a hydraulic powerpack the BBA BA150KS_D285 SUB hydraulic submersible pump suits sewage and trash applications that require powerful submersible pumping.

Drive: diesel DriveOn®
Max flow: 435m³/hr
Max pressure: 40mwc
Max solids: 100mm

Proril Single Channel Sewage Submersibles Proril GOMAX series submersible pumps use a single-channel enclosed impeller with air-release valve for highly efficient, non-clogging sewage transfer.

Size: 76mm – 152mm (3” – 6”)
Max flow: 100L/sec
Max head: 42m
Max solids: 76mm

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Accessories Prime Fluid Management holds stock of a wide range of quality fittings and dewatering accessories.

Bauer Fittings & adapters
Strainers
Fuel tanks & generators

Bosman Vision Series Fish-Friendly Pumps

The Bosman Vision Series are compact, low noise, low footprint submersible draining and irrigation pumps that perform at range, with limited impact on aquatic life and waterways.

Flow: 12 - 360m³/min
Efficiency: up to 85%
Fish mortality <2%
Water-lubricated bearings

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GALLERY

In the field

Here are some examples of our solutions being used.

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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

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Ben Beatson
Sales Engineer

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Charlie Petrie
Sales Manager

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William Filleul
Sales Engineer

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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.

Do you supply oil transfer pumps that can meet API 676 requirements?

Some positive displacement internal gear pump ranges are manufactured to API 676, with specific exceptions depending on the model. If API 676 compliance is part of your specification, we can confirm suitability during selection and provide the relevant documentation.

What’s the best oil transfer pump in NZ for diesel, fuel oil, or lubricating oil?

The best option depends on viscosity, temperature, and whether you need steady metered flow or high throughput transfer. For many industrial oils and fuels, internal gear and external gear pumps are common choices because they provide consistent flow and handle higher viscosity fluids well.

Can these pumps be specified for hazardous areas?

Yes, hazardous area options may be available depending on the selected pump and motor package. For example, some equipment ranges offer certified IECEx hazardous area rated configurations, which can be specified when the site classification requires it – including suitable options for Zone 1 and Zone 2 hazardous areas.

Do you need flooded suction, or can the pump run on suction lift and self priming?

It depends on the fluid, temperature, viscosity, and how the tank and pipework are laid out. A flooded suction setup is usually the most stable option for consistent performance, especially with higher viscosity oils, because the pump is always supplied with product.

If the pump needs to draw from a lower level or from a longer suction line, suction lift and self priming capability become important. However, the setup needs to be sized correctly to avoid issues like poor priming, air ingress, or cavitation. If you share your suction conditions and duty point, we can recommend a pump type and configuration that suits the installation.

What features help protect the pump and improve reliability on fuel and oil duties?

For fuel and oil applications, reliability often comes down to protecting the pump from pressure spikes and contamination, and selecting the right sealing arrangement. Depending on the pump type and duty, options can include an internal relief or bypass valve to protect against dead heading, and an inline suction strainer to reduce the risk of damage from debris.

Seal selection also matters for demanding services, with configurations such as double mechanical seals used on certain duties where additional containment or reliability is required. We can guide you on what features make sense based on the product, operating conditions, and site requirements.

What information do you need to specify a fuel transfer pump in NZ?

To specify the right fuel transfer pump for a New Zealand site, we typically need the fuel type, required flow rate, temperature, and viscosity, along with suction conditions such as flooded suction or suction lift.

Once we have those details, we can confirm the most suitable pump type and configuration for your application – including options for heavier fuels where viscosity is higher.

Continuous operation, minimal maintenance

Ultimate durability

Dependable

Overview of our Drainage Submersibles

View our full dewatering, bypass and sewage pump range.

See other Industrial Pumps

Read Industrial Articles

In the field

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

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

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

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

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

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

Make an enquiry

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

FAQ

Find your local expert

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Equipment • Expertise • Results

Submersible Drainage Pumps

Continuous operation, minimal maintenance

Ultimate durability

Dependable

Overview of our Drainage Submersibles

View our full dewatering, bypass and sewage pump range.

See other Industrial Pumps

Industrial Chemical Pumps

Crest Vertical Immersion Pumps

GVR External Gear Pumps

Industrial Side Channel Pumps

Fuel and Oil Pumps for Transfer and Industrial Duties

Self-Priming Centrifugal Pumps

Hot Oil Pumps

Food Processing Pumps

Hygienic Progressive Cavity Pumps

Hot Water Pumps

Multistage Pumps

Hygienic Pumps

Marine Pumps

Solids Handling Pumps & Stirrers

Viscous Fluid Pumps

Wastewater Pumps

Industrial Vacuum & Blowing

Read Industrial Articles

In the field

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

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

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

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

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

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

Make an enquiry

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

FAQ

Find your local expert

Solutions

Resources

Company

Locations

Contact Us

Find us on

Sign up to news

Equipment • Expertise • Results

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