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Vac-Ex has introduced the Mod-Ex 5000C lorry-mounted vacuum excavator, which can excavate and remove hole/trench material in a fraction of the time normally required.

It also leaves the excavation clean for easy access to any utility that may need servicing.

The excavation is performed using an air lance that delivers 180 CFM of air at pressures up to 100psi/8bar from an onboard Compair compressor.

Once the earth has been loosened, a vacuum system sucks it up (wet or dry) via a 125/180mm hose and feeds into an integral 1.2m3 skip.

ACI provides the two pairs of blower units that up-lift the excavated soil.

The blower heads are normally used in ACI’s EP10 blower and are driven by an electric motor (7.5, 11 or 15kW).

For this application, however, each pair of blowers is belt-driven by a dedicated 50hp Lombardini diesel engine.

Because there are two separate vacuum units, the level of vacuum can be reduced for light duties, which is more energy efficient than some alternative systems that employ single-drive units.

It also allows work to continue even if one power unit goes down.

Much of the Mod-Ex 5000C’s reliability results from the fact that ACI’s blower impeller shafts are mounted on a two-bearing assembly.

ACI’s dual-bearing configuration reduces stress, which enhances durability and reliability, minimising the risk of downtime and ensuring greater operating efficiency.

Air Control Industries

Air Control Industries (ACI) is a leading global provider of industrial air movement products.

We analyse the application and select or design the product with the right materials, performance and environmental characteristics to provide the most efficient and cost-effective solution.

ACI has the expertise to help satisfy all your air handling requirements, be it cooling drying or spreading.

Since 1969, ACI has been designing and manufacturing fans and blowers, both for general applications and for specific tasks that demand custom-engineered solutions. We have also been developing value-added products employing our fans and blowers.

These include Airknives, bottle/can-drying systems for the drinks industry and our extruded product/cable/wire drying unit. All are employed around the world by leading international companies.

Another ACI innovation for the health and hygiene market is our Jetblack personnel cleaning stations. Being blower powered, Jetblack provides a safe and economic method of de-dusting personnel. To extend options for our customers, we also offer EBM-Papst products, for which we are the exclusive distributor.

ACI has around 50 employees split between its UK headquarters in Chard, Somerset, and its US subsidiary in Maine, New England. There is a network of overseas distributors to provide international sales and support.

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