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     Trivision, its a billboard/sign that consists of triangular prisms placed inside a frame. The prisms rotate **0, each showing a new message of advertisement and/or information. As implied, three individual images, or messages, can be displayed on a trivision.

     The drive module of trivision is very easy in servicing and doesnt need settings during all useful life. In addition to this the module has reversive rotation. In spare parts production we use material with high antifrictional and frost-resistant properties. In case of one detail wear from drive module, its just enough to unscrew 2 screws and to replace the module (slive drive, plug, driving axis) on the spare module. Spare modules and parts we provide in a set. These actions take much more time working with designs of competitors. Mounting rails (beams), cover plates and prisms are made from aluminium. These details look nice and aren't subject to corrosion. Besides, aluminum parts reduce the weight of trivision and facilitate work for workers at installation and service of designs.

     More than *0 years our trivisions are worked in various climatic conditions with a temperature from - *5 C to + *0 C during snow, a rain and a wind.

Three versions changing of images:
 

SIMPLE solid prisms with the side width **0mm and **5mm on your choice. Prisms are take
off easily and establish on a place. The image is printed on self-adhesive tape and glued on the prisms. Its the
cheapest version, but inconvenience is that for changing of images its necessary to take off prisms (three

images) and to take away to the room (place) for image regluing. Preferably simple variant is for rare change
of the image.
SPLIT split prisms with removable panels with the side width **5 mm. The image is printed on
the self-adhestive tape and glued on the prisms. This version is very comfortable because its possible to take
off just one side of prisms. Also big plus consists in that, if you have spare set of panels its possible to arrive
into the place with already ready new image, to take off panels with the old image and to put new panels. It
takes just *5 minutes. Its the most expensive model. We recommend to use such version at frequent changing
of images.
SLIDE solid prisms with the side width **5mm with transparent polycarbonate guides on edges.

This system is created to exclude the regluing of images and to reduce time of changing images. The image is
printed on thin PVC plastic and cut on strips which are inserted in the plastic guides to each prisms on the
trivision. Minuses consists in that, when cutting strips its necessary to observe exact width and plastic guides
over time lose transparency. This model has the average price and its recommended to use 

in big formats and at height.