Automatic Water Control Valve Deluge Fire Protection Systems DV-5A
Description
The TYCO DV-5A Automatic Water Control Valves are diaphragm type valves that can be used in deluge fire protection systems. When properly trimmed, the double seat design of the DV-5A Valve also provides actuation of fire alarms upon system operation.
The diaphragm style design of the DV-5A Valve allows external resetting, providing for easy resetting of a deluge system without having to open a valve handhole cover to manually reposition a clapper and/or latch mechanism. Simply re-pressurizing the diaphragm chamber resets the valve.
The DV-5A features internal and exter-nal coating of the valve to provide corrosion resistance. The external cor-rosion resistance of the epoxy coating permits the use of the DV-5A in cor-rosive atmospheres associated with many types of industrial processing plants and outdoor installations.
The DV-5A Valves are offered with the DV-5A Valve and separately ordered semi-assembled trim shown in Figures 7, 8, and 9, or, for ease of installa-tion, with the DV-5A Valve completely trimmed with or without a System Main Control Valve.
Specification
- Easy external reset
- Single moving part — diaphragm design reduces complexity and maintenance
- Available pretrimmed or order valve and trim components separately
- UL and C-UL Listed, FM, VdS and LPCB Approved – see technical data sheet for model-specific listings and approvals
- Compact, space-saving design helps reduces valve room footprint and construction costs
- Higher pressure rating and lower pressure drop allows water to travel further at specified system pressure
- Available models include: wet, dry and electric actuation, remote-resetting, remote-resetting/pressure-reducing
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