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March 20, 2000

Ansul introduces liquid system for large vehicle fires

By JOURNAL STAFF

Recognizing the need for additional fire protection on large off-road vehicles and specialty equipment, Ansul Inc. has introduced the LVS Liquid Agent Fire Suppression System. The new LVS product was designed to be used in tandem with the Ansul LT-A-101 Dry Chemical System for the protection of large excavators, shovels, draglines, haul trucks, wheeled loaders, slag carriers, pot or slab carriers, tunnel boring machines and other specialty equipment.

Dave Pelton, market development manager for Ansul, explained that “Today’s ‘mega class’ vehicles typically contain hundreds of feet of highly pressurized hydraulic lines with hundreds of gallons of hydraulic fluid creating a substantial source of fuel. Our engineers and agent chemists met this fire protection challenge by designing a system that combines the rapid flame knockdown ability of dry chemical with the superior cooling effects and longer discharge times associated with liquid agents.”

LVS Liquid Agent Fire Suppression System
The LVS system consists of one or more 30-gallon tanks designed to operate within a temperature range of -40 to +120 °F. Expellant gas for each liquid agent tank is supplied from a 23 cubic foot nitrogen cartridge with pneumatic actuator.

Both the LVS and LT-A-101 systems typically interface with a CheckFire Control Module providing automatic detection, alarm, time delays, equipment shutdown and system release functions. Upon detection of a fire, the LT-A-101 and LVS systems are pressurized in series with the agent discharging through seperate hose/nozzle distribution networks to protected areas of the vehicle.




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