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Solids Handling Pumps & Stirrers
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Reduce clogging and wear
Solids handling pumps are designed to move fibrous, thick, and grit-laden materials without clogging or excessive wear. Different pump types achieve this through specialised designs:
- Vortex Pumps: Use a recessed impeller to create a vortex, allowing solids to pass with minimal contact, reducing wear.
- Progressive Cavity Pumps: Utilise a helical rotor-stator system to move thick, shear-sensitive materials like sludge and food waste.
- Self-Priming Centrifugal Pumps: Handle solids while allowing easy re-priming, making them ideal for intermittent operation in wastewater and industrial drainage.
- Twin Screw Pumps: Offer smooth, pulsation-free flow, ideal for viscous and shear-sensitive fluids in food processing and chemical industries.
Prime Fluid Management can recommend the solids-handling pump or stirrer to best meet your needs. Take a look at our range below.
Pumps for tough media
SolidsPro vortex submersible pumps handle solids, slurries, and fibrous materials with minimal clogging. Their recessed impeller reduces wear, making them ideal for wastewater, mining, and industrial applications.
- Pumps large solids without clogging.
- Reduced wear for longer pump life.
- Reliable in harsh environments.
- Low maintenance with fewer blockages.
Built for efficiency and durability, SolidsPro vortex pumps offer a dependable solution for challenging media.
Making light work of extreme viscosity
Wangen progressive cavity pumps are known for their, proven reliability in extreme applications, precision-engineered components, and ability to maintain flow integrity in challenging conditions.
- Continuous, low-pulsation flow.
- Extreme longevity, under the most demanding industrial conditions.
- Customisable.
- Low energy costs, reduced downtime and maintenance.
Overview of our Solids Handling Pumps & Stirrers
Air-operated double diaphragm (AODD) pumps handle challenging fluids with air-powered operation. Choose for chemicals, viscous liquids, solids and shear-sensitive products. Self-priming, dry-running, and easy to maintain.
- Max flow: 1,136L/min
- Max pressure: 8bar
- Max solids: 46mm
- Stainless steel | Aluminium | PP | PVDF | PTFE
Caffini pumps designed for high flow, low pressure situations where transfer of thick slurries is required.
- Size: 50mm - 152mm
- Max Flow: 830L/min
- Max Head: 15m
- Max Solids: 60mm
Caffini pumps designed for high flow, low pressure situations where transfer of thick slurries is required.
- Size: 50mm - 102mm
- Max flow: 520L/min
- Max head: 15m
- Max Solids: 60mm
Wangen produces an extensive range of hopper feed pumps for slurries and pastes with high solids content (KL-R Series) and dewatered sludge (KL-RU, KL-RQ, KL-RS and KL-R Triplex models).
- Max flow: 560m3/hr
- Max pressure: 48 bar
- Max solids: 45%
- For extremely dry or lumpy material
- Size: 50mm –102mm (2” – 4”)
- Max flow: 22L/sec
- Max head: 20m
- Max solids: 37mm
They offer low impeller wear and long pump life.
- Size: 50mm –102mm (2” – 4”)
- Max flow: 28L/sec
- Max head: 34m
- Max solids: 55mm
- Size: 76mm – 152mm (3” – 6”)
- Max flow: 100L/sec
- Max head: 42m
- Max solids: 76mm
Wangen's KL-S, KB-S and KB22S self-priming progressive cavity pumps convey high viscous media up to 200,000 mPA-s, with or without solids. The KB22S is designed specifically for dosing.
- Max Flow: 560 m3/hr
- Max Pressure: 48 bar
- Materials: S/steel, cast iron
Wangen’s KB-SL, KL-SL and KL-RF hygienic progressive cavity pumps are tailored to convey low to very high viscosity media.
- Max flow: 150m3/hr
- Max temp.: 140°C
- Max pressure: 48 bar
- Max viscosity: 200,000 mPa-s
Wangen Twin Screw pumps ensure smooth, gentle pumping of viscous, abrasive or shear-sensitive fluids, with CIP/SIP cleaning and minimal downtime.
- Max flow: 200 m3/hr
- Max pressure: 30 bar
- Max solids: 40mm
A patented feeder unit for the Wangen Twin Screw pump. Conveys highly viscous, non-flowable media with variable hopper length.
- Max flow: 10 m3/hr
- Max temp: 90°C
- Max viscosity: 3,000,000 mPa-s
Varisco J-Series pumps suit applications that require fast priming from demanding suction heights, and the ability to manage polluted waste and abrasive fluids with suspended solids.
- Max flow: 1200m3/hr
- Max head: 110m
- Max solids: 76mm
- Self-priming: up to 7.5m
SolidsPro submersible mixers keep solids suspended in wastewater or effluent slurries for pumping, treatment or storage.
- Speed: 750-1,450rpm
- Power: 0.6-5.3kW
- Reaction thrust: 78-830N
- Propeller diameter: 128-400mm
- Materials: cast iron with 316 stainless steel propeller
Engineered to resist clogging SolidsPro submersibles feature recessed impellers with large free passage. Ideal for pumping large volumes of waste fluids with solids or particles.
- Max flow: 103m3/hr
- Max head: 20m
- Max solids: 80mm
- Double mechanical seal in oil bath
Wangen KL-T Series Progressive Cavity Immersion pumps safely convey media from tanks and pools with high metering accuracy even at low rpm.
- Max Flow: 102m3/hr
- Max Pressure: 6 bar
- Max viscosity: 200,000 mPA-s
- Max Dry Solids: 16%
- Available Sizes: 5.5 kW to 18.5 kW.
Designed for agricultural use, Wangen’s PTO shaft pumps vacuum-load, unload and distribute tank manure supplies, or convey liquid feed.
- High suction power
- Insensitive to foreign bodies
- Max flow: 470m3/hr
- Max pressure: 16 Bar
Varisco ST-R Series pumps are built for handling solids-laden, abrasive fluids in demanding environments. Designed for dry-mounted setups, they offer fast priming and easy access for in-field maintenance.
- Max flow: 420 m³/hr
- Max head: 35 m
- Max solids: 76 mm
- Self-priming: 7.5 m
Salvatore Robuschi end suction pumps offer multiple impeller options for clean, contaminated, solids-containing and gas-entrained industrial fluids.
- Max flow: 3,100m3/hr
- Max head: 140m
- Max solids passage: 150mm
- Impeller types: closed | open| vortex | channel
Albin peristaltic pumps provide contained, low-shear pumping for abrasive, viscous and chemically aggressive fluids – with dry-run capability and easy hose replacement.
- Max flow: 150m3/hr
- Max pressure: 15 bar
- Max viscosity: 60,000cP
- Hose material: NR | NBR | EPDM | Viton | Hypalon | NR FDA | NBR FDA
Gorman-Rupp trash pumps handle wastewater, sewage and solids-laden liquids – with automatic self-priming and service-friendly access for demanding pumping duties.
- Max flow: 770m3/hr
- Max head: 63m
- Max solids handling: 76mm
- Materials: cast iron | G-R hard iron | stainless steel | CD4MCu
Doseuro tank-mounted mixers offer high and low speed configurations for blending and process mixing across industrial applications.
- Motor power: up to 15kW
- Tank size: up to 40,000L
- Viscosity range: up to 5,000cP
Questions? Specs? Talk to one of our Industrial Specialists today.
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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
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
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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.
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.
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.
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.