Pressure Reducing Solenoid Shutoff Deluge Valve 116-5MR
Electrically controlled deluge valve, actuated by the pipeline pressure. The valve is closed in its normal, set position and opens when a 3w solenoid valve is energized. The valve must be manually reset following automatic activation using the ball valve manual reset lever. When tripped, the valve regulates to a steady, preset downstream pressure, regardless of upstream pressure or flow rate fluctuations. An emergency manual release valve is fitted as standard.
FEATURES & BENEFITS
Opens quickly when the solenoid valve is activated
Reduces a higher upstream pressure to a lower downstream pressure
Constant downstream pressure over a wide flow range
Downstream pressure is adjustable with single screw
Adjustable opening speed control
Manual override to open the valve fully
Local ball valve manual reset assembly prevents closure using solenoid valve
Visual indicator for indication of main valve position
Large supply drain port to drain sprinkler main
Factory tested
Can be installed both vertically or horizontally
Wide range of materials available
CERTIFICATION & COMPLIANCE
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• ANSI FCI 70-2 Class VI seat leakage class
• ABS approval
TYPICAL APPLICATIONS
Automatic or Manual Actuated Fire Suppression Systems
Petrochemical, Oil & Gas Installations
Tunnels
Power Generation, Transformer & Transmission Plants
Flammable Storage
Hangars & Airport Terminals
Onshore / Offshore
Mining
OPERATION
The basic control valve [1] used in this deluge system is a diaphragm actuated globe valve which closes with an elastomer-on-metal seal, hydraulically operated control valve engineered specifically for fire protection systems.
In the standby position, the deluge valve is held closed by the upstream water pressure, trapped in the valve’s control chamber. The water pressure enters the control chamber through the priming line ball valve [8a], a Y-type strainer [7], a 3-way auxiliary pilot [3] and an opening speed control valve [5].
Under fire conditions, afire alarm control panel energizes the 3/2-way N.C. solenoid [2] (or de-energizes the coil of a continuously energized ED 100% normally open solenoid for SIL 3-4 rated systems). The auxiliary pilot shifts position and allows the water to begin to drain the deluge valve’s control chamber through the pressure reducing pilot [4]. The deluge valve opens instantly, regulating to a steady, preset downstream pressure, regardless of upstream pressure or flow rate fluctuations. This allows water to flow the pipeline and through the open sprinklers over the protected area.
Manual emergency actuation is enabled by opening the emergency manual activation valve [8b]. The deluge valve opens instantly and fully, and allows water to flow the pipeline and through the open sprinklers over the protected area.
The valve must be manually reset following automatic actuation, using the ball valve manual rest lever [8d].
A visual indicator (optional) [9] provides indication of the valve’s position at a glance..png "Pressure Reducing Solenoid Shutoff Deluge Valve 116-5MR")
TYPICAL MATERIALS
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