Welcome to CTC Waterworks

Our new website is taking off

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

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

Stay Updated With New Products + Industry Insights

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Semi-Automatic Cleaning

BIF & MVC

Operator-initiated cleaning cycles that reduce downtime without full filter disassembly.

Semi-automatic tools—BIF (Brush-in-Filter) and MVC (Manual Vacuum Cycle)—allow operators to clean filter screens without removing the head or screen element. Cleaning cycles are manually initiated and typically complete in 5-15 minutes with minimal downtime.

Two Semi-Automatic Technologies

BIF (Brush-in-Filter)

A manual brush mechanism mounted to the filter head that allows operators to rotate a brush against the screen's interior surface using a hand crank, dislodging accumulated debris.

Best For:

  • Fine mesh screens with light organic loading
  • Drip irrigation with frequent but short cleaning cycles
  • Applications with accessible filter locations
Learn More About Brush Technology

MVC (Manual Vacuum Cycle)

A vacuum scanner mechanism that operators manually actuate to create suction against the screen's interior, pulling debris off and flushing it through a purge valve.

Best For:

  • Coarse perforations with heavy debris (leaves, algae)
  • Surface water sources with variable solids loading
  • Systems requiring quick, high-flow purge cycles
Learn More About Vacuum Technology

Semi-Automatic: Advantages & Limitations

Advantages

  • Drastically reduced downtime vs. manual (5-15 min vs. 30-60 min)
  • No full disassembly required—head stays in place
  • Moderate cost—automation hardware without controls
  • Upgradeable to fully automatic (RAB/AVC) later
  • Simple operation with hand crank or manual valve

Limitations

  • Still requires operator presence to initiate cleaning
  • Not ideal for 24/7 operations or remote sites
  • Some brief flow interruption or pressure drop during cleaning
  • Higher upfront cost than manual-only approach
  • Cleaning frequency still relies on manual observation

Ready for Near-Zero Downtime?

Upgrade to RAB & AVC fully automatic cleaning with ΔP/time-based triggers for uninterrupted operation and minimal labor.

Explore Fully Automatic Options

Ready to Reduce Cleaning Downtime?

Our filtration specialists can help you select the right semi-automatic cleaning solution for your application.

Compare All Options