Quick answer: PRAB fluid filtration/coolant recycling systems recover 95–98% of metalworking coolant for reuse by combining particulate filtration, tramp oil separation, and bacteria control in one system. Facilities typically cut new coolant purchases by 50–75% and disposal costs by up to 90%, with ROI in 6–18 months depending on volume. Equipment ranges from standalone technologies — paper bed filters, magnetic separators, centrifuges — to the fully integrated Guardian™ Coolant Recycling System.

Coolant Recycling Systems – Fluid Filtration Saves You Money

PRAB‘s Coolant Recycling Systems recover 95-98% of metalworking coolant for reuse, reducing coolant purchases by 50-75% and cutting disposal costs by up to 90%. For most facilities, return on investment is achieved within 6 to 18 months, with high-volume operations often reporting payback in as few as 6 to 9 months. Every system is backed by the Performantee® Guarantee with documented ROI and test data.

Use the online Coolant Recycling ROI Calculator:

→ Coolant Recycling ROI Calculator

 

Why Choose PRAB for Coolant Filtration Equipment?

Whether you’re recovering fluids from machining sumps or metal scrap processing, PRAB’s advanced systems deliver:
  • High-Efficiency Fluid Filtration: Removes particulates and debris down to 5 microns or less.
  • Tramp Oil Separation:
  • Oil/Water Separation: Effectively extracts tramp oils, enhancing fluid performance and reducing tool wear.
  • Bacteria Control: Automated systems eliminate bacterial growth, preventing coolant rancidity and extending fluid life.
  • Precise Coolant Management: Maintain optimal coolant concentration to improve cutting performance and ensure consistent quality.
 

De-Risking Your Investment

PRAB does more than build equipment. We engineer results.

Through our Demo Before You Buy™ and Materials Testing and Fluid Testing programs, we validate your application and define measurable performance specifications before you purchase.
 
FREE Materials Testing FREE Fluid Testing On-site Demo Equipment Performantee™  Guarantee
■  Eliminate uncertainty by providing real, tested performance data. ■ Select correctly sized components and configurations ■ Quantify expected ROI and payback timelines ■ Support accurate conveyor, hopper, and system design ■  Prove that your fluids can be recycled, reused, or treated to meet environmental compliance ■  Solids removal performance ■ Filtration clarity and turbidity reduction ■ Expected throughput and operating parameters – and more ■  Engineered Confidence,  Documented Results. ■  Your materials ■  Your infrastructure ■  Your team ■  De-Risking with on-site and our Kalamazoo, MI Facility PRAB’s Performantee is a true performance guarantee. We ensure that our equipment will achieve the specific results for which it was designed and manufactured. If it does not, we will revise, repair, or make any necessary changes to deliver the results you specified. So when you have questions or concerns about the performance of your PRAB equipment. 24/7 Live support.
   

→ See this MSN.com article featuring PRAB Coolant Recycling and Fluid Filtration solutions.

 
75%

Savings on new coolant purchases

Using a Guardian Coolant Recycling System

$67,550

Annual Oil and Labor Savings

Using a Tramp Oil Separator

50%

Downtime Reduction

Using a Magnetic Separator

6-9 Months

Payback

Using a Guardian Coolant Recycling System

Each solution is custom-built to your process and requirements.

We can only guarantee results like this because of our experience and test lab capabilities.
When you’re ready to get started, contact us or request a material test.

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Fluid Recycling Systems

Guardian Coolant Recycling Systems

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Tailored Solutions for Your Unique Needs

PRAB systems set a very high baseline with a comprehensive range of advanced features, then are tailored to fit your operation’s specific fluid types and contaminants, with a range of options, including:

  • Micron-Level Filtration: Achieve ultra-fine filtration, removing even the smallest particles for cleaner, more efficient fluid reuse.
  • Integrated Technologies: Combining Hyde Products and Monlan Group expertise, PRAB delivers industry-leading filtration and oil separation solutions.
  • Automation and Control: Fully automated systems provide seamless integration into your workflow with minimal operator intervention.

Proven Benefits for Manufacturing Leaders

PRAB’s fluid recycling equipment helps plant managers and manufacturing company owners tackle key operational challenges:

  • Cost Savings: Reduce coolant purchase costs by up to 75% and lower fluid disposal expenses by up to 90%.
  • Increased Productivity: Cleaner fluids lead to extended tool life, fewer machine downtimes, and better part quality.
  • Healthier Work Environment: Our bacteria control systems ensure a safer and odor-free shop floor, improving employee morale and productivity.
  • Environmental Compliance: PRAB’s systems help you meet stringent environmental regulations by minimizing your plant’s fluid waste footprint.

 

Technical Highlights

  • Flow Rates: The units can handle from 10 gallons per minute (GPM) to over 200 GPM, accommodating a wide range of production volumes.
  • Modular Designs: Expandable systems grow with your operation, ensuring long-term value and adaptability.
  • Durable Construction: Built for harsh environments, featuring corrosion-resistant materials and low-maintenance designs.
  • Performance Monitoring: Integrated sensors and control panels offer real-time data on fluid quality and system efficiency, enabling proactive maintenance and operational insights.

Collaborative Approach

PRAB works closely with your team to analyze your fluid management needs, ensuring the delivery of the most effective solution. From initial consultation to installation and ongoing support, our experts are committed to helping you achieve your goals of operational efficiency, cost reduction, and environmental responsibility.

 

Key Features at a Glance:

Oil/Water Separation Extends fluid life, improves cutting performance, and lowers tooling costs.

  • Fine Coolant Filtration: Capture particles to 5 microns for optimal fluid cleanliness.
  • Bacteria Elimination: Prevent fluid degradation and protect employee health.
  • Significant Cost Reduction: Reuse up to 95% of processed fluids, cutting new purchases and disposal fees.

Choose PRAB’s innovative fluid recycling systems for unmatched performance in coolant management.

Optimize your operations, reduce costs, and improve your shop environment today with PRAB’s customizable solutions.

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Benefits and Features
  • Typical payback is 6-9 months
  • Throughput of 300 to 1,500 gal/hr
    (Larger capacity systems available)
  • Extend tool life
  • Remove tramp oils as low as .1%
  • Reduce new coolant purchases by up to 75%

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Fluid Filtration Technologies - Available as stand alone or part of a complete system

Paper Bed Filters

Low-profile, cost-effective technology for solids filtration. Remove particulate down to 5-microns, prolonging coolant and tool life. Paper Bed Filters are available in standard or magnetic.

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Tramp Oil Separators

Mechanically separates tramp oils from fluid using coalescing media and baffles. Automates oil collection. Tramp Oil Separators payback in as little as 6-9 months.

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Magnetic Separator

Remove magnetic sludge and chips from the fluid stream before they damage other filtration equipment. Magnetic Separators reduces machine downtime up to 50%

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Solid-Bowl Industrial Centrifuge

Separate solids from liquids using centrifugal force. Utilized when removal of fines is important for recycle and reuse goals. Industrial Centrifuges are available in manually, semi-automatic and fully automatic.

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Vacuum Filtration

High-volume fluid filtration up to 3,000 GPM. Continuous and maintenance free operations for decreased downtime. Vacuum Filtration systems are available with disposable or permanent media.

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Drum-Type Scraper Separator

Uses a semi-permanent filter sleeve and drag conveyor system to separate out particulate and chips from fluid. Drum-Type Scraper Separators are self-cleaning to minimizes media use.

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Ultrafiltration

Ultrafiltration systems use customizable membranes to remove emulsified oils and fine particulate from metalworking coolant.

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Hydrocyclone

Hydrocyclones create ascending and descending vortexes in a cylindrical feed that separates contaminants from coolant without the use of filter media.

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Replacement Filter Media

PRAB stocks a wide assortment of filter media for coolant, cutting oil, washwater, rinsewater and wastewater fluid reclamation applications.

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Oil Recycling System

Oil Recycling Systems are centralized, economical solutions to the high costs associated with maintaining petroleum- and synthetic-based oils in the metalworking industry.

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Filtering fluid is just one part of the equation.

Metal Scrap Processing Equipment >

Wastewater Equipment >
A

What are the most effective fluid filtration methods for metalworking coolants?

The most effective coolant filtration methods include magnetic separation, paper bed filtration, and membrane-based systems. Each approach targets different types of contaminants to extend coolant life, improve surface finish, and reduce tool wear.

  • Magnetic separators capture ferrous solids and fines.
  • Paper bed filters are effective for removing larger chips and non-ferrous solids.
  • Membrane systems (such as ultrafiltration) remove fine particulates and emulsified oils.

The right choice depends on the coolant type, machining process, and contaminant load. In many cases, facilities combine multiple technologies for optimal performance and compliance with discharge regulations.

PRAB Fluid Filtration and Coolant Recycling Systems are engineered for CNC machining, metal cutting, and grinding operations. With solutions that include magnetic separators, paper bed filters, vacuum filters, and ultrafiltration units, PRAB helps manufacturers lower coolant costs, reduce downtime, and meet environmental standards.

White Paper: Extending Tool Life Through Effective Fluid Management

Case Study: Aerospace Components Manufacturer Turns Waste into Revenue

  • Benefits:
    • Magnetic separators remove ferrous particles before fine filtration
    • Paper bed filters handle solids and fines at lower flow rates
    • Vacuum filtration is ideal for grinding and honing operations
    • Centrifuges separate solids using high-speed rotation
    • Membrane filtration removes sub-micron particles and tramp oils

Q: Which method is best for high-precision machining?

A: Membrane and vacuum filtration systems are ideal for removing sub-micron particulates in precision processes.

Q: How often should filters be replaced?

A: This depends on the system design and contaminant load. Some systems include auto-monitoring to optimize replacement intervals.

Tags: metal chip processing, Metal scrap processing, Coolant Recycling, Fluid filtration