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Dry Alarm Valve Systems and Equipment

Dry pipe sprinkler system ; design for the non-heating areas, areas which is under +4°C for preventing the hazards belongs the freezing. For the preventing freezing issue, dry valve systems produce with the pressured air and nitrogen.

System works easily, any sprinklers on the system if it is blow, pressured air will be dropped and water in the dry systems find the space than it moves. In that moment, pressure switch feel the air pressure and give electrical alarm to the system.

Application areas
- Non-heating warehouses
- Car park areas
- Empty spaces in roofs
- Porch, warehouse and loading areas

Dry Valve Alarm Body

Dimension: 2”-6”
Connection Types: Grooved x Grooved
Grooved x Flanged
Flanged x Flanged
Assemble Type: Vertical
Working Pressure: 175-250psi
Approvals: FM, UL, ULC, VdS

Dry Valve Alarm Accelerator

This is the equipment of accelerator for the pressure in dry valve systems.

Dimensions: ½” npt
Connection Types: Threaded x Threaded
Water input Pressure: 250psi
Max. air (or nitrogen) pressure: 27-58psi
Approvals: FM, UL, ULC, VdS

Air Pressure Maintenance Device

This is design for the adjust the pressure of the system.

Air Input-Output diameter: ½” NPT
Connection type: Threaded x Threaded
Max. air (or nitrogen) pressure: 27-58psi
Approvals: FM, UL, ULC, VdS

Working Principle

After sprinkler blow (1), water beat the decreasing air pressure and going on the system with pushing clacks (2). In big systems users have to use the accelerator (3). In the middle of the dry valve pressure switch(4) gives electrical alarm and gong gives the mechanical alarm.

Other Products in this Product Group

Dry Alarm Valve Systems and Equipment