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Spray Booths

EXPANDER II

The spray booth/oven booth mod. Expander II is the booth for commercial vehicles by Cometi. This model is studied and developed on a one time basis according to the dimensions and the needs of the customer. There are no standard dimensions because each time a different project is designed on purpose. The self-supporting structure is more reinforced compared to the one for the booths for car body refinishing and all models Expander II are to be considered custom made projects.





Characteristics in detail:



The layout The layout will be studied according to the needs and the available spaces of the customer.
Dimensions Length: The booth mod. Expander II is modular and can have a useful length that goes from 6 m to more than 30 (modular with panel of 590 and/or 1180 mm)
Width: The booth mod. Expander II can have a useful width of 4,0 / 4,5 / 5,0 / 5,5 / 6,0 m
Height: The booth mod. Expander II can have a useful height that goes from 3 m to more than 6 m (exact height chosen by the customer).
Overall dimensions The external dimensions change according to the chosen booth model and to the power and exhaust unit models that will be assembled.
Floor pit
(Series DD)
The spray booth is supplied with masonry works (series "DD"), with floor pit to be realized according to our drawings, with industrial grates with bearing plate of 50 mm (max 2300 Kg./wheel) including metal dividing bars, undergrate trays and paint-stop filters rolls. In this way air is exhausted through the grates with an air flow that cross the equipment vertically.
Side filter banks
(Series PL)
As an alternative to the floor pit, the booth can be supplied with side filter banks (series "PL") with the height requested by the customer and in any case of the suitable dimensions according to the air capacity of the equipment and to the work to be done inside the booth. In this case air is exhausted through the side walls and filtered trough paint-stop filters placed at the bottom with and suitable frames.
Semi-downdraft
(Series SDD)
As an alternative to the above mentioned options, the booth can be supplied in semi-downdraft configuration (series "SDD") with rear filter bank and inclined panel with paint-stop filters of the height requested by the customer and in any case of the suitable dimensions according to the air capacity of the equipment and to the work to be done inside the booth. In this case air is blown into the booth from the frontal section through a shorter plenum, and is exhausted from the rear wall with an air flow that crosses the equipment horizontally along the length of the booth itself.
Front frame The front frame has a thickness of 80 mm and the doors of 55 mm. It can be supplied with 3 or 4 or 5 shutters with useful opening dimension according to the customer needs. The doors are equipped with standard observation windows secured with rubber gasket. The glasses are anti-breaking and laminated. One shutter always includes a personnel service door closing with springs locks.
Central dividing frame and drive through doors In case of long dimensions of the booth, it can be supplied with one ore more central dividing frames and also with a rear exit frame, with drive through option. The spray booth can then be divided into 2 or more sections that operate independently in order to have an opportunity to use the various sections separately, in case of pain jobs on smaller parts, or entirely in case of paint jobs on larger parts
Side and rear walls Thickness 55 mm type "sandwich" made with white pre-painted iron sheets with glasswool inside, with special interlocking system with no screws and no welding points.
Filtering ceiling The structure of the equipment is realized through structure roof frames and the filtering ceiling is made up of filters and special holders. The filtering surface changes according to the width and the length of the booth.
Plenum Realised with insulated top and side roofs type "sandwiches" thickness 35 mm with useful height 600 or 800 according to the air capacity of the equipment.
Lighting system Various light groups installed on top corners oblique mounted at 45° and lower light groups (on demand) inserted on the side walls. Each light group can be equipped with 2 or 4 fluorescent tubes 30W controlled by electronic ballasts and protected by safety laminated glass 6/7 mm and metal frame sealed with gasket. The quantity of the light groups changes according to the length of the booth.
Power unit The power unit can have any possible air capacity and dimensions that go from 1600 x 1600 mm to 2000 x 2400 mm. Each power unit is supplied with stainless steel heat exchanger AISI430 with indirect flame exchange with two levels of tube racks, equipped with 2 double intake scirocco belt-driven fans and electric motors with pulleys and belts. It is supplied with stainless steel chimney simple foil Ø 250 or Ø 300 mm3 m. straight + T + cap. On the air intake duct is installed a special drawer with pocket pre-filters of easy maintenance. A suitable oil fired Riello burner is supplied with the standard model, but it can be supplied with a gas burner with its gas train on demand.

Air capacity: any possible air capacity
Electric power: from 4 KW to 15 KW
Thermal power: any thermal power
Burner: oil or gas
Exhaust unit The exhaust units can have any air capacity and dimensions that go from 1200 x 1200 mm to 1200 x 2400 mm. the exhaust units can have the following different configurations:

Series TV: Exhaust units with no filters (only blowing unit)
Series EM: Exhaust units with paint stop filters and "M" holders
Series ET: Exhaust units with pocket filters dim. 357 x 582 x 440h
Series EC: Exhaust units with sleeve filters dim. 260 x 260 x 1000h
Series EK: Exhaust units with special cartridge made up of sleeve filters dim. 260 x 260 x 1000h + active charcoal in cylinders
Air capacity: any possible air capacity
Electric power: from 4 KW to 15 KW
Control panel Electro-mechanic with cabinet IP55 with digital process controller for full automatic control of working cycles, main switch with key, hour counter, buttons, lamps, fuses etc. On demand, it can be supplied with Magnehelic pressure gauge, with pressure regulator and step-by-step motor during the spraying cycle.
Various options Each spray booth can be equipped with other additional options as personnel side service door, parts hanging bar with rails, angle shelf etc.
Colours and trims Each Cometi spray booth is made of white pre-painted iron sheets and is refinished with plastic-coated corners. The spray booth can be trimmed in various colour chosen according to the end user taste or to the colour of the body shop where the spray booth will be installed. The available colours are red, yellow, dark blue, light blue, green, grey. The external units and the basement are zinced but, as an option, they can be trimmed in the same colour of the other booth trims.


EXPANDER II EXPANDER II

Sizes
available
PDF Docs Expander II - Render 1
Expander II - Render 2
Expander II - Render 3
Expander II - Render 4
Expander II - Render 5

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