Welcome to CTC Waterworks

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We're actively expanding our digital platform with new products, technical resources, and engineering tools. As we build, some pages may be incomplete or under development.

Currently Adding:

  • Product specifications and technical data sheets
  • Installation guides and engineering resources
  • Sizing calculators and application tools

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Our engineering team is available to assist with specifications, pricing, and technical support.
Call (509) 901-7476

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Fully Automatic Self-Cleaning

RAB & AVC

Automated ΔP/time-based cleaning cycles for continuous operation with minimal labor and near-zero downtime.

Fully automatic cleaning systems—RAB (Rotary Auto Brush) and AVC (Automated Vacuum Cycle)—trigger cleaning cycles based on differential pressure sensors or timers. The system runs continuously, cleaning itself without operator intervention, ensuring steady flow rates and optimal filtration performance for 24/7 operations.

Two Fully Automatic Technologies

RAB (Rotary Auto Brush)

Motorized brush mechanism that automatically rotates against the screen's interior surface on a programmed schedule or when ΔP threshold is reached, continuously dislodging debris without interrupting flow.

Best For:

  • Fine mesh screens with continuous organic fouling
  • 24/7 drip irrigation or process water systems
  • Remote sites requiring minimal operator presence
Learn More About Brush Technology

AVC (Automated Vacuum Cycle)

Automated vacuum scanner with motorized actuators that initiate suction cycles based on ΔP or timer triggers, pulling debris off the screen and flushing it through a purge valve without manual intervention.

Best For:

  • Coarse screens with heavy debris loads (leaves, algae)
  • Variable solids loading from surface water sources
  • High-flow systems requiring rapid, frequent purge cycles
Learn More About Vacuum Technology

Fully Automatic: Advantages & Limitations

Advantages

  • Near-zero downtime—cleaning occurs online without stopping flow
  • Minimal labor—no operator intervention required after setup
  • Optimized cleaning frequency via ΔP monitoring
  • Consistent performance in 24/7 or remote operations
  • Reduced gasket wear—no repeated disassembly

Limitations

  • Highest upfront cost—automation hardware and controls
  • Requires electrical power and control system integration
  • Periodic maintenance of motors, sensors, and actuators
  • Not justified for low duty cycle or seasonal operations
  • May require backup power for critical applications

Fully Automatic Cleaning Is Best For:

High Solids Loading: Surface water sources with variable or heavy debris accumulation.

24/7 Operations: Continuous process water, drip irrigation, or municipal supply systems.

Remote Sites: Pump stations or field locations with limited operator access.

Critical Uptime: Applications where flow interruption is costly or disruptive.

Maximize Uptime with Fully Automatic Cleaning

Our filtration specialists can help you design an automated cleaning system tailored to your water quality, flow requirements, and operational goals.

Compare All Options