CLEMCO CLOSED CIRCUIT BLASTING

Blast and recover in one operation with a Closed Circuit blasting process. Precision surface control, dustless and a high level of cleanliness are all benefits of the CCB process.

The Clemco closed-circuit blaster, the CCB, puts the blast process in the operator’s hands

 

Blasting, containing the dust, and recovery keeping the blast area clean, and protecting both the operator and the environment.

 

Incorporated into the assembly are a 1/4-inch orifice, rubber-jacketed, tungsten-carbide lined nozzle, adjustable handles, and a nylon-bristle brush which provides a tight seal against the surface. Additional brushes for inside- and outside-corners are included for jobs involving angle-iron or other objects or structures with corners, edges or other geometries.

The ELS-CCB systems include the CCB tool, a durable recovery head fitted with a brush that presses against the blast surface. The CCB head assembly comprises a blast nozzle, and vacuum hose, which evacuates dust and the rebounding abrasive following its contact with the blast surface. This tough tool contains the abrasive and keeps the surrounding area clean.

The CCB has two ergonomic adjustable handles, which can be rotated or otherwise repositioned to suit the operator. The standard tool is fitted with a ring that provides stand-off distance from the surface and can be used with or without the wheels, as dictated by the blast surface.

EDUCT-O-MATIC

 

Clemco’s smallest closed-circuit tool, the hand-portable Educt-OMatic goes anywhere and operates on just 90 cfm of air at 90 psi. The operator controls blasting and recovery with a trigger handle. Pulling the trigger just slightly starts the vacuum recovery. Pulling the trigger all the way starts the suction blast system. The compact conical hopper contains the abrasive and meters it into the blast system. Air rushing through the Educt-OMatic’s mixing chamber draws the abrasive into the airstream and propels it out the nozzle.

The blast head swivels to allow blasting at any angle and the rubber boot traps the dust and abrasive. The vacuum captures the reusable abrasive particles and sends the dust and broken abrasive to the dust bag. The Educt-O-Matic cleans an area about one inch wide. After blasting, the operator releases the trigger about halfway to stop blasting, but continues vacuuming for two or three seconds to recover any remaining dust and abrasive. Fully releasing the trigger stops the vacuum system. The Educt-O-Matic is designed for use with steel and iron grit. The simple cotton bag traps dust.

COMET

The Comet packs the power of an industrial suction blast, recovery, and reclaim system into a package not much larger than a shop vac. The wheel-mounted Comet includes its own pressure regulator, pressure gauge, and moisture separator. The 100-cfm media reclaimer operates on household current – 115v, 1 Ph, 60 Hz. The dust collector houses 14 cotton sateen tubular filters. With 20 feet of recovery hose, the Comet lets the operator move unencumbered about the work site. The operator turns on the electric power to begin vacuum recovery, then starts and stops blasting with an in-line switch at the blast head.

A flexible non-marring brush on the blast head contains the dust and abrasive, and glides smoothly across most surfaces. Specialized brushes allow the Comet to clean inside angles, outside angles, and uneven surfaces. A compartment atop the Comet stores extra brushes and other accessories at 80 psi, and cleans a path about 1-inch wide, at up to 36 inches per minute. It works best with fine mesh glass bead or aluminum oxide. Aggressive media such as aluminum oxide, silicon carbide, and garnet subject the components to rapid wear; order optional boron nozzles and tube inserts when using these media. The Comet is not designed to handle sand, slag, or metallic media such as steel grit.

SUPER COMET

 

The Super Comet pressure-blast system delivers an enclosed high-velocity stream of abrasive to the surface being cleaned. The closed-circuit blast head features a 3/16-inch nozzle and multiple brushes for cleaning inside and outside angles, and uneven surfaces. It cleans a path about 1-inch wide up to 72 inches per minute, consuming 45 cfm when the nozzle is new and up to 70 cfm when worn, at 80 psi. The system’s portable cart moves easily onsmooth, level surfaces. A 20- ft recovery hose lets the operator reach most surfaces with ease. The standard unit features a tungsten carbide nozzle and 1/2-cubic foot, ASME-code blast machine with adjustable metering valve

The system handles most common, non-metallic, recyclable, 60- to 280-mesh blast media. Aggressive media, such as aluminum oxide, silicon carbide, and garnet, subject the system to rapid wear; order optional boron nozzles and tube inserts when using these media. The Super Comet is not designed to handle sand, slag, or metallic media such as steel grit. The built-in storage hopper holds recovered media to automatically refill the machine when the operator pauses and releases the control handle. And the system includes an air filter/moisture separator, pressure regulator, and gauge. The integral dust collector houses cotton sateen tubes to trap dust and fines, and drop them into a convenient slideout tray for easy disposal.

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