Air displacement vacuum unit

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  • Easy to transport
  • Easy to offload
  • Can be used on a stand-alone basis

The KOKS MegaVac Loader self-supporting air displacement vacuum unit, without chassis and powered by an industrial diesel engine, is designed for (heavy) industrial applications and is suitable for suctioning and displacing dry, wet and hazardous substances, such as various types of catalyst, (roof) gravel, powders, fly ash and sludge. The KOKS MegaVac Loader can also unload into big bags. Specially developed for working with hazardous and contaminated substances, the unit is available in PED or ADR (CEOC) versions and built in accordance with all applicable safety standards.

The KOKS MegaVac Loader self-supporting air displacement vacuum unit is not fixed on a chassis, but is equipped with an offloading system. The Loader frame is based on a 20 ft container system and equipped with an integrated hook lift frame and hoisting arrangement (option) for placing on a trailer, chassis or other transport system.

Do you have any questions about KOKS products or would you like to receive more information? If so, please contact the KOKS sales team via telephone number +31 (0) 72 540 66 99 or via e-mail request@koks.com.


The KOKS MegaVac Loader is the perfect self-supporting air displacement vacuum unit for day-today suction, displacement and transportation activities (in conjunction with a base frame) in the construction and (petro)chemical industries and for all general industrial applications.


The powerful tri-lobe blower gives the KOKS MegaVac Loader air displacement vacuum unit a very high suction and displacement capacity, which makes it possible to process and transport large quantities of dry substances, liquids, gravel, sand, etc. in a very short time. The user benefits from significant time savings and a huge reduction in cost.


The KOKS MegaVac Loader self-supporting air displacement vacuum unit can be fitted with various option kits that are appropriate for your needs and for industrial and cleaning applications.

Safety information

Safety information


  • Easy to transport on a chassis, semi-trailer or other transport system.

  • Can be used on a stand-alone basis with its own diesel engine drive.

  • Easy offloading system.

  • Easy control.

  • Vacuum with 220 kW, suitable for 8” (DN 200) hoses, max 96% underpressure; blowing with 1,050 mbar overpressure.

  • Large filter surface area (40 m²).

  • Ergonomic.

  • Built to the latest environmental and safety standards.

  • Approved in accordance with PED or ADR (CEOC) European type-approval.

  • Solid construction and components for high power and maximum payload.

  • High quality, long service life and economical purchase price.

Designed and certified for

  • placement on a 20 ft container frame, equipped with hook lift point.
  • suctioning and displacing dry and wet substances, such as sludge, sand, (roof) gravel, fly ash, powders and various types of liquids.
  • PED (Pressure Equipment Directive) in accordance with 2014/68/EU directive.

Pressure vacuum tank

13.4 m³, incl. space under the filter bags in the filter chamber.
stainless steel AISI 304 grade, material no. 1.4301.
Rear door
hydraulically opening and bolting.
by means of tipping (45°) or air displacement.
by means of suctioning.
6” suction connection, provided with a 6” elbow with replaceable Hardox wear resistant plate.
blowing cover.

Filter chamber

Filter cover
hydraulically opening and manually bolting.
Filter surface area
40 m².
Filter plate
stainless steel.
Filter cleaning
by means of an air shock cleaning system.
Partition hatch
between the filter chamber and pressure/vacuum tank.
for emptying the filter chamber.
operated hydraulically from the outside.
side manhole.
level detectors.
stainless steel filter racks with coated, antistatic, polyester needle felt filter bags.

Vacuum pump

tri-lobe blower.
Air displacement
220 kW, suitable for suctioning with 8” (DN 200) hoses.
Max. vacuum
Max. overpressure
1,050 mbar.
mechanical from a 6-cylinder diesel engine with driveshaft and V-belt transmission.

Container frame

reinforced 20 ft container frame.
Corner casting
according to standard 20 ft ISO container frame.
Unit compartment
on behalf of the pump/engine combination, sound insulated, incl. access doors with ventilation grilles on both sides and at the front.
hook lift system.
the longitudinal beams of the lift frame must be supported during transportation on the semi-trailer or trailer.

Diesel engine

On behalf of
vacuum pump drive.
Caterpillar C7.1, Stage 5 (option C9, Stage 3).
Power output
approx. 240 kW (326 Bhp).
shut-down valve (Chalwyn).
exhaust system with spark arrester.


approx. 7,500 mm.
approx. 2,500 mm.
Height hook lift attachment point
1,400 mm.
approx. 2,650 mm, excl. chassis height.


Empty weight
approx. 13 tonnes, chassis-dependent.
Max. permissible weight

Standard safety provisions

Consisting of:

rupture disc, hose rupture safety valves on behalf of the rear door and tipping cylinder, beacon light, emergency stop, repair cross beam, catwalk, rear door clamp protection, earth reel, emergency stop reel, rear door protection, tipping protection and powder extinguisher. 


working light and stainless steel control box/hose box/ tool box.
Body inspection
arranged by KOKS Group.
Instruction manual
consisting of operating/maintenance instructions, drawings and schedules.

Need thorough advice?

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You can contact us by calling +31 (0)72 540 66 99, by emailing info@koks.com or by filling in the contact form via the link below.


On working days we are available between 07.30 and 17.00 and we are happy to be of service.


As a producer and supplier of cleaning equipment, KOKS Group has gained a reputation as a reliable, innovative partner for the industrial sector.


KOKS is not only a strong player in the Netherlands and Europe, but our machines are finding their way around the world.


KOKS Group exists for 30 years and is a dynamic family business with seven specialized subsidiaries in the Netherlands, the Czech Republic, Saudi Arabia and the United States. The company also holds shares in rental organizations that operate in the Netherlands and the United Kingdom.