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Baghouse & dust collector servicing

Filter change-outs, pulse repairs, leak detection and full rebuilds — most major brands.

3 min readUpdated Aug 2026

What this service covers

Complete care for baghouses and cartridge collectors: filter change-outs, cages, pulse system repair (solenoids, diaphragm valves, timer boards), leak detection, DP diagnostics, hopper discharge repairs, and full rebuilds of tired collectors. We service most major brands — Camfil Farr, Donaldson Torit, Imperial Systems, Nederman and more — and stock the wear parts in Fontana.

When you need it

  • Rising differential pressure. Blinding bags or a failing cleaning system — diagnose before bags die early.
  • Dust at the stack. Leaking bags or seat gaskets; find the row, fix the leak.
  • Bag change-outs. Planned, supervised, disposed of properly — without eating your maintenance week.
  • A collector that "never worked right." Usually design: airflow, air-to-cloth or duct velocity. We evaluate honestly.

The gauge nobody reads

Differential pressure is the collector’s vital sign. If nobody trends it, the first symptom you notice is the expensive one. Ask about DP monitoring on your next service visit.

Rebuild vs. replace

Housings outlast their internals. New bags and cages, a rebuilt pulse system and corrected ductwork often bring a collector back to spec for a fraction of replacement cost. When replacement genuinely wins, we say so — and handle the complete installation, ductwork and support steel with our own crews.

Collector troubleshooting quick reference

SymptomLikely causeFix
High differential pressureBlinded bags, failed pulse cleaning, or moisture in the housingCheck pulse valves and air quality first; media may be recoverable
DP near zeroBroken bags or bags off their cages — air is bypassing the mediaInspect and replace; find what tore them
Visible stack emissionLeaking bags, failed snapband seats, or tubesheet cracksLeak-locate (fluorescent powder), reseat or replace
One row pulsing weak or leakingFailed pulse valve or diaphragm on that headerValve rebuild — then check the bags it starved
Hopper bridging with dustDust being stored, not dischargedFix the discharge — hoppers are funnels, not bins
Bags dying youngWrong media for temp/moisture/abrasion, or cage damageMedia review — see the air filters section for the selection table

How a change-out runs

  • 1. DP trended before — the baseline proves the fix.
  • 2. Old media out, every cage inspected — bent or corroded cages kill new bags early.
  • 3. New media seated properly — a half-seated snapband is a guaranteed leak.
  • 4. Disposal handled — the dust on the bags is the dust your permit cares about.
  • 5. Restart and verify — break-in DP recorded, pulse system proven.

What to have ready

  • Collector make and model — nameplate photo is perfect
  • Bag count and dimensions (or we’ll measure on the first visit)
  • The dust and the temperature — they pick the media together
  • DP history if you log it — the trend tells the story

Frequently asked questions

What parts do you stock?

Filter bags, cages, bag clamps, venturis, air solenoids and repair kits, diaphragm valves, timers, gauges, vibration sleeves and controls — for major collector brands, on shelves in Fontana.

How long should bags last?

Years, in a properly sized and maintained collector. Bags dying in months means an operating or design problem — worth diagnosing before the next change-out, not after.

Do you handle combustible dust compliance?

Yes — see our explosion protection service for NFPA reviews, venting and isolation. If your dust has never been tested for combustibility, start there.

The ACT Group

Applied Conveyor Technology — bulk material handling experts. Dust control, conveyor services, silo cleaning, parts, and engineering.

© 2026 The ACT Group (Applied Conveyor Technology). All rights reserved.