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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.

Mod-Ex 5000C excavates and removes cavity material

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.

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