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Automatic Disc Filtration Systems – Self-Cleaning, High-Capacity Solutions

Automatic disc filtration systems are self-cleaning filters that use a tightly stacked series of grooved plastic discs to trap suspended solids. When a preset pressure differential is reached, the discs automatically separate, spin, and backwash, expelling debris without interrupting the main filtration flow. At Pelmar Engineering, we supply a complete line of Amiad Spin Klin™ disc filters from compact 2″ units to high-capacity 10″ Super Galaxy systems designed for continuous, low-maintenance operation in demanding industrial and municipal environments.

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How Automatic Disc Filters Work

Filtration Stage

  • Incoming water or processed fluid flows through the compressed disc stack.
  • Grooves in the discs create a three-dimensional filtration path, capturing particles at multiple depths.
  • Clean water exits through the central spine, ready for use.

Backwashing Stage

  • A controller monitors pressure differential across the discs.
  • Once the threshold is reached, the system reverses flow to release disc compression.
  • The discs separate and spin while pressurized jets flush away trapped solids.
  • In multi-pod systems, only one-unit backwashes at a time, ensuring continuous filtration.

Key Advantages of Automatic Disc Filtration

  • High Dirt-Holding Capacity: Multi-layer disc grooves capture more solids than standard screen filters.
  • Self-Cleaning Efficiency: Automated backwash keeps systems running without manual cleaning.
  • Water & Energy Savings: Efficient backwashing minimizes water use by recycling filtered water.
  • Scalable & Modular: Available in single-pod and multi-pod configurations, from small compact systems to large-scale industrial arrays.
  • Durable Construction: Corrosion-resistant polymer discs and housings for long service life.

Applications of Automatic Disc Filters

  • Agriculture & Irrigation: Prevent clogging in drip and sprinkler systems using surface or recycled water.
  • Municipal Water Treatment: Remove suspended solids in raw or reclaimed water before distribution.
  • Wastewater Treatment: Polish effluent and prepare water for reuse.
  • Industrial Cooling & Process Water: Protect heat exchangers, nozzles, and pumps from fouling.
  • Food & Beverage: Maintain consistent purity levels in process water for sensitive operations.

Featured Disc Filtration Series from Pelmar

  • 2″ Spin Klin™ & Compact Series: For smaller flows and tight installations.
  • 3″ Spin Klin™ & Apollo Twin: Mid-range solutions balancing flow and footprint.
  • 4″ Spin Klin™ Galaxy & Apollo Twin: For larger industrial or municipal applications.
  • 10″ Spin Klin™ Super Galaxy: High-capacity system for large-scale water treatment.

The Pelmar Engineering Advantage

  • Canadian distributor of Amiad Spin Klin™ disc filters.
  • Expertise in sizing systems to match flow rate, particle load, and micron rating.
  • Support from compact units to large multi-pod installations.
  • Over 40 years supplying industrial, municipal, and agricultural clients with proven solutions.
Exploring for a Dependable & Steadfast Partner? Choose Pelmar Engineering for Reliable Solutions!

Find the Right Automatic Disc Filter

Pelmar Engineering offers the full range of Amiad Spin Klin™ disc filters, from compact 2″ units to large-scale 10″ Super Galaxy systems. Browse our automatic disc filter products or contact our team for expert assistance in selecting the ideal solution for your operation.

FAQs – Automatic Disc Filtration

Disc filters offer depth filtration, capturing particles at multiple levels within the grooved discs, while screen filters rely on a single surface barrier. This gives disc systems higher dirt-holding capacity and longer intervals between cleaning cycles.

The right disc filter depends on factors such as flow rate, water quality, type of solids, and desired micron rating. At Pelmar Engineering, we assess your system’s capacity, pressure, and application requirements to recommend the best model, whether it’s a compact 2″ unit for small flows or a 10″ Spin Klin™ Super Galaxy for large-scale water treatment.

While the upfront investment may be higher than manual filters, the lifetime cost is much lower. Automatic disc filters reduce labour, prevent unplanned downtime, and extend equipment life by protecting pumps and heat exchangers. Over time, these savings often outweigh the initial purchase cost, making them a cost-effective, long-term solution.

Automatic disc filters require minimal operator intervention. The self-cleaning cycle activates automatically, eliminating the need for manual disassembly or frequent cartridge replacement. Routine checks are simple and usually limited to inspecting seals, valves, and controllers. Many facilities find that maintenance can be reduced by up to 80% compared to manual filtration systems.

With proper installation and routine care, disc filters typically last 10 years or more. The polymer discs and housings are built to withstand high pressures and corrosive environments. Replacement parts are readily available, and because there are no moving mechanical parts in the discs themselves, wear and tear are minimal.

Yes. Disc filtration systems are modular by design, meaning additional pods can be added as your demand grows. This makes them an excellent option for businesses anticipating future expansion, since capacity can be increased without replacing the entire system.