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Direct Low Pressure - DLP Clean Agent Fk5-1-12 System Unit

Product Description & Principle of Operation

Parekh Fire DLP- Direct Low-Pressure Clean Agent Systems are primarily Pre-Engineered Automatic Fire detection and suppression Systems utilising various Low-pressure Clean agents like,HFC227ea, FK 5-1-12, FE36. These Units are designed, manufactured, and tested in ISO 9001:2015 certified facilities.

Linear Pneumatic Fire Detection Tubing (LP-FDT) is installed and connected to DLP Valve via dual seal threaded union attached to the isolation ball valve and routed throughout the protected hazard area/enclosure. Being heat sensitive, the primary function of Linear Pneumatic Fire Detection Tube (under pressure) is to detect heat/fire and activate the valve for discharge of the agent by rupturing at the hottest point along its installed length on flame impingement. On rupture a nozzle is formed at the burst point.

Due to loss of the pressure in the tube, the clean agent under pressure, in the cylinder then flows out through the tube and discharged out at burst point/nozzle, extinguishing the fire instantly and flooding the protected enclosure, which helps in preventing reignition.

Each DLP system consists of a High-Grade Stainless-Steel Direct valve with integrated pressure gauge adaptor with Schrader valve on the valve body to monitor cylinder pressure, and a quarter turn isolation valve to interface with the AutoFireX® Fire Detection Tubing., and a PRD (Pressure Relief Device) tested up to 44Bar is also provided. The systems is supplied complete with CE Cylinders and Brackets Stainless steel siphon tube with appropriate agents, as required.

To assist in annunciation, an optional pressure switch provided, can be installed at one of the ports on valve or at the end of the detection line using End of Line Adaptor, also available with the system. The pressure switch provides a potential free contact, that can be interfaced, with existing FACP (Fire Alarm Control Panel) to indicate system discharge, shutdown ventilation, shut-off electrical power, as may be required. Alternatively, it can also be connected to a Audio Visual (A/V) alarm unit for annunciation.

Technical Specification

System Information Performance Information
PRODUCT CODE AGENT QTY. CYLINDER VOLUME OPERATING PRESSURE(@21oC) MAX VOLUME COVERAGE*
4000101 1 kg 1400 ml 15 Bar 1m3
4000102 2 kg 2218 ml 15 Bar 2m3
4000105 5 kg 5000 ml 15 Bar 5m3
4000110 9 kg 11000 ml 15 Bar 9m3

*Figures based on ideal conditions in fully enclosed space. Actual figures may vary according to application.

Maximum volume coverage is determined by agent concentration discharged within the enclosure where the fire hazard is located. The discharge time for DLP system utilising various agents differ from agent to agent and capacity of the cylinder.

DLP Systems Applications

Electrical Cabinets

PLC & process automation control cabinets, Critical data processing equipment, UPS cabinets, Medical equipment Switchgears, HVAC Panels.

CNC /EDM Machines, Fume Hoods

Enclosed automated milling machines, EDM machines, Robotic welding machines, Plastic injection moulding machines, Fume Hoods.

Manufacturing & Process Applications

Dust & mist collectors, Paint booth, Process Control Cabinets, Chemical storage areas, DG Sets, Engine & Motor bays, Gas Turbines, Electrical Transformers.

Server Racks

LT & HT Switch gear Panels, Capacitor Panels, Server racks in Data Centres.

Mining Machines & Mobility Vehicles

HEM Vehicles (Engines & Motor bays, Hydraulics, Emergency brake, etc.) Excavators, Drag Lines, Dump Trucks, Loaders, Dozers, Drill Rigs, Surface miners, U/G Mining equipment’s, Cranes, Roof bolting, Dredging.

Power Generation & Transmission

Wind Turbines, Solar Energy Farms, Energy Storage Systems, Cable Trays & Cable Tunnels, UPS Battery Rack.

Safety is Most Precious During an Emergency!

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