Our Undercover Sprinklers: Eye-catching Yet Inconspicuous Design

Sprinklers of the Undercover product family from Minimax are the optimum solution for installing in-ceiling systems harmoniously and inconspicuously. They can be used when high aesthetic levels must be maintained, such as in exclusive hotel rooms, museums, department stores or office buildings.

Design-minded architects and builders find sprinkler heads with conventional collars protruding out of the ceiling ugly and bothersome. Due to installation that is almost flush with the ceiling and the selection of a surface finish to match the room, the innovative Undercover sprinklers offer new design possibilities.

Minimax has developed two options - hidden and recessed Undercover sprinklers. Compared to the hidden sprinkler with fine-mesh diaphragm and the new CoverDrop system, the sprinkler head of the recessed Undercover sprinkler can be seen through the decorative ring. Both options are equipped with the hanging, rapid-response umbrella sprinkler - a proven Minimax component.

The CoverDrop system is based on two redundant working mechanisms. A leaf spring locked with the soldered strut is immobilized within the fine-mesh diaphragm. When the nominal trigger temperature of the soldered strut, which lies below the trigger temperature of the sprinkler, is reached, the leave spring is released and the cover is dropped. If, for some reason, the sprinkler is triggered before it drops out of the cover, the cover is released by the escaping water and even water distribution is guaranteed.

The new undercover pipes, which can be laid directly in concrete ceilings, enable future undercover sprinklers to also protect areas without suspended ceilings. The sprinklers are integrated in a recess in the concrete ceiling using a dummy.

Movie: Undercover Sprinklers and Pipes

Download:

‚Undercover-Sprinklers - recessed and concealed sprinklers' as download (PDF)

Send a request for more information on 'Undercover-Sprinklers'

Undercover sprinkler pipe system - piping in concrete

The Undercover pipe system was designed specifically to be embedded in concrete. Both pipes and sprinklers can now be installed in a way that makes them almost invisible. The Undercover pipe system was designed for use with Minimax Undercover sprinklers, but can also be used with conventional sprinklers.

A fully coordinated system

These plastic composite pipes have been designed for installation in concrete ceilings. They consist of three layers: a PE inner shell, an aluminum layer and a white PE outer shell. The pipes are not only pressure-resistant, but also extremely corrosion-resistant thanks to their inner and outer plastic shells - even when embedded in concrete, an aggressive material. The inner shell ensures a permanently smooth surface and thus reduces skin friction, allowing narrower pipes to be used.

The ultimate in versatile installation - even in hard-to-access locations

The press fittings have been made using corrosion resistant gunmetal and durable stainless steel sleeves. Unlike the fittings of other systems, they provide the advantage of not having to be wrapped before being embedded in concrete. What's more, the use of this high-quality material eliminates the risk of the long-term damage that can result from improperly wrapped fittings.