Dry System

Dry System

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<p>The dry system valve assemblies is installed in those areas which are subject to freeze, in loading areas or not heated parkings. The operating principle is similar to the principle of wet systems, the only difference being that upstream the alarm valve, into the distribution system in the protected area, tubes are not filled with water but with compressed air or nitrogen. The crash of a sprinkler generates a pressure fall which opens the alarm valve and water can reach the distribution valve and extinguish the fire. All the components are manufactured in order to let the valve open rapidly so that an immediate effective action against the fire is guaranteed. Such components like the accelerator give even better results in the operating time speed. Although they are more complicated than the west systems, their manufacturing quality guarantees constant perfomances over the years and cheap maintenance costs.</p>
<p>Gate valve body external screw UL-FM<br />Dry alarm valve<br />Complete trial and alarm trim with accessories and pressure gauges<br />Accelerator with trim<br />Kit for keeping pressure stable<br />Water alarm pressure switch mod. PS10-1<br />Air alarm pressure switch mod. PS40-1<br />Hydraulic alarm bell<br />Pre-assembly of units on the premises included</p>

Sprinklers Systems

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