Electrically Actuated Remote Reset Deluge Valve Solenoid MODEL 68 DE RC
Electrically controlled deluge/pre-action valve, actuated by the pipeline pressure. The valve is closed in its normal, set position and opens when a 3w solenoid valve is energized. It closes drip tight when the solenoid valve is de-energized. An emergency manual release valve is fitted as standard.
FEATURES & BENEFITS
High pressure (PN25/375psi), high flow deluge systems
Automatic or local manual emergency actuation
Hazardous, flammable & explosion classified area fire suppression
Superior design featuring exceptionally low pressure losses at high flow rates
Low lifelong maintenance costs due to straightforward design
Applicable for fresh or brackish water, seawater & foam
Out of box fully assembled & tested valves
Factory trimmed for vertical & horizontal installations without modification
Extensive valve & trim materials selection and corrosion protection coating
CERTIFICATION & COMPLIANCE
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• ANSI FCI 70-2 Class VI seat leakage class
• UL listed under VLFT category
• Fire tested to EN ISO 6182-5:2006 (2”- 6” only)
• Lloyd’s & ABS approvals
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 direct sealing elastomeric diaphragm, hydraulically operated control valve engineered specifically for fire protection systems. The system includes a 3/2-way N.O. solenoid [10] as the interface between the fire alarm control panel - monitoring heat, smoke or flames - and the deluge valve.
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 [2], a Y-type strainer [3], a check valve [4] and a T-restrictor [5].
Under fire conditions, a fire alarm control panel energizes the 3/2-way N.O. solenoid (or de-energizes the coil of a continuously energized ED 100% normally closed solenoid for SIL 3-4 rated systems). The pressure in the relay valve [9] drops, causing it to open and allowing the water to drain the deluge valve’s control chamber. The deluge valve opens instantly and 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 [6]. The deluge valve opens instantly and allows water to flow the pipeline and through the open sprinklers over the protected area
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TYPICAL MATERIALS
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(1) Petrochemical, Oil & Gas
(2) Refer to materials selection guidelines, Engineering Data - Materials: Ductile Iron A-536 65-45-12; Cast Steel A-216 WCB; Cast Steel A-352 LCB; Austenitic
Stainless Steel A-351/CF8M; Super Duplex 2507; Nickel-Aluminum-Bronze B-148 UNS C95800
(3) Consult factory
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