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Air cannon service

Installation, inspection and rebuilds — on our cannons and most other brands.

3 min readUpdated Aug 2026

What this service covers

Installation, inspection, rebuilds and replacement of air cannon systems — ACT’s own Flash Cannon and most other manufacturers’ cannons. New system layout and welded nozzle installation, sequencing timer setup, elastomer service (QEVs, o-rings, gaskets), and honest condition assessments on cannons that have not fired in years.

When you need it

  • Cannons that stopped firing. Usually elastomers or air supply — a rebuild, not a replacement.
  • Buildup a vibrator cannot break. A cannon layout designed to the vessel and the material.
  • New silo, hopper or hot-vessel install. Welded nozzles, safety cables, isolation valves, sequencing — done as a planned job with proper hot-work controls.
  • An annual inspection route. Cannons are safety devices for your production; they deserve a schedule.

Parts on the shelf

Quick exhaust valves, safety cables, o-rings and gaskets stocked in Fontana — for the Flash Cannon and most major brands. See Air Cannons in the parts pile.

The Flash Cannon

Our own direct-blast cannon: the fastest and most powerful in the industry, minimal maintenance, no lubrication, safety-smart isolation valve included, 5-year warranty. If your existing cannons are beyond economic repair, we’ll say so and quote the replacement honestly.

Cannon troubleshooting quick reference

SymptomLikely causeFix
Cannon won’t fireSolenoid failed, control signal missing, or valve stuckVerify signal and pilot line; rebuild or swap the valve
Weak blastLow air pressure, leaking fill line, or worn valve sealsCheck supply pressure at the tank; rebuild kit for the valve
Constant air hissLeaking quick-exhaust or fill check valveService kit — cheap fix, big compressed-air savings
Water in the tankNo drip leg / air prep upstreamDrain, then fix the air supply — wet air kills valves
Cannons fire, buildup staysWrong placement or sequence for the flow problemRe-aim the array — this is engineering, not force

How a service visit runs

  • 1. Every cannon inspected — tank, valve, solenoid, plumbing, mounting and nozzle condition.
  • 2. Fire test and sequence check — the pattern matters as much as the blast.
  • 3. Rebuild worn valves on the spot — kits and common spares ride on the truck.
  • 4. Report — what’s healthy, what’s next, and whether the array still matches the buildup it was aimed at.

What to have ready

  • Cannon count and brand — we service most major makes, not just our own
  • The vessel — what they’re mounted on and what material builds up
  • Air supply — line pressure at the farthest cannon
  • The complaint — not firing, firing weak, or firing and not helping (each is a different visit)

Frequently asked questions

Can you service cannons from other manufacturers?

Yes — inspection, rebuilds and parts for most major brands. If a cannon is beyond economic repair we tell you, with a straight replacement quote.

Is it safe to fire cannons while people work nearby?

Cannons are locked out and verified as part of any confined-space entry permit, and every cannon we install carries an isolation valve so it can be depressurized individually. Never fire a cannon while anyone is inside the vessel.

How often should cannons be inspected?

At least annually, and more often in hot or high-cycle service. The service items are elastomers — replaced on inspection intervals, not on failure.

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.