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PROTECTION FOR PRECIOUS BUILDINGS AND INSTALLATIONS - THE DOMINATOR IMPULSE CANNON
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The Gol stave church, Hallingdal Norway was built in the mid 1200's; in 1882 the church was dismantled and rebuilt in 1884 at Bygdöy (Oslo). The wooden construction is always endangered, mostly because of the many visitors; since 1996 it is protected by a fixed installation of four IFEX Dominator impulse extinguishing cannons. |
| The IFEX 30 litre Dominator impulse cannon presents a solution for fixed local application. The cannon is constructed coaxially - with the power chamber located around the water chamber. The cannon is delivered with a rigid carbon steel framework that will be mounted on to a solid foundation to absorb the recoil force. The outlet muzzle cone is adjustable for tuning of shot length and spray pattern. The system is triggered automatically by a preset temperature. The Dominator cannon can be used for both outside and inside applications. |
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| Water barrel capacity |
30 litre |
| Operating pressure |
25 to 55 bar |
| Shot length |
15 to 45 metres |
| Width of spray |
8 to 12 metres |
| Valve opening and closing time |
50 milliseconds |
| Duration of shot |
100 milliseconds |
| Velocity at muzzle |
120 metre/second |
| Water connection |
21/2" BSP |
| Air connection |
11/4 BSP |