Vehicle Fire Protection

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THERMAL PROPERTIES

The ASHA Dual Agent system utilises the Indirect valve which is integrated with Linear heat detector - ASHA Fire Detection Tube (FDT) / Linear Heat Sensing cable(LHS) to automatically detect the fire and actuate the system(s). The tubing/cable is installed in and around the fire risk areas. In case of the FDT detection tubing is pressurised and connected to the ILP valve which is a differential pressure valve that maintains the pressure both in the tube and in the cylinder containing the pressurised agent in closed position. When a fire occurs, in case of the FDT Pneumatic Tube the tubing will burst at the point of highest heat experienced at any point along its installed length, the pressure loss in this process causes the valve to open and the agent is discharged through the discharge hoses attached to the discharge ports straight on to the source of heat through the installed nozzles an end of the discharge hoses. In case of LHS cable, the wire on detection of heat will initiate a signal to the installed control Panel, initiating the Solenoid Valve that operated the ILP valve and the agent is immediately discharged and dispersed through the network of discharge hoses and nozzles straight on the fire.

Our Dual Agent systems are also capable of being discharged/ operated manually by utilising Manual Actuator which is strategically installed suitable reachable space on the vehicle (operator cabin). On activation of the system the Dry Chemical Powder is dispersed from the first system which immediately strangulates the fire/knocking it out in the protected area, simultaneously setting the Foam/wet chemical Agent discharge, which follows the dry powder discharge and the constant flow of the Foam combined with water starts cooling down the burning area and prevents from any subsequent reignition.

By utilising the optional monitoring switch that can be attached to the ILP valve of the Dual agent system, and connected to the Audio-Visual Alarm unit, the fire can be annunciated instantly on activation ofthe systems.

FIRE SUPPRESSION AGENT

ASHA Dual Agent systems effectively combines the features of ABC Dry Chemical Powder & Wet Chemical Agent to extinguish the fires in the shortest possible time.

AGENT 1-ABC DRY CHEMICAL POWDER

Mono Ammonium Phosphate (NH4H2PO4), also known as ABC 90 or multi-purpose powder dry is used as chemical fire suppression agent that complies with EN 615 standard & is UL listed.

ABC 90 Dry Chemical is a fine powder that has been treated for water repellence and is capable of being fluidized and free flowing so that it can be discharged through hoses and piping under the influence of an expellant gas. When discharged, dry chemical powder drifts through the air and settles on surrounding surfaces forming a blanket. This Powder is included in NEPA-17 and has been evaluated and approved for use in occupled areas, provided the proper safety precautions have been taken.

AGENT 2- WET CHEMICAL AGENT

ASHA's Wet Chemicals are fluorocarbon based concentrates especially designed for use on B fires (hydrocarbons and polar solvents) that also supports performance on A type Pres. This agent is eco-friendly as their high quality allows low concentration to reach high ratings and has durable film forming and blanketing properties it also provides superior cooling along as a second application that also helps in preventing reignition from superheated surfaces.

System Description

ASHA ILP &Dual Agent Systems consist of a high-grade welded steel cylinder and bracket, supplied complete with ASHA Indirect type SS Valve assembly & all necessary fittings. All cylinder assemblies contain Agent in Premix form and is super pressurised with Nitrogen to 15.bar @ 21°C. The systems are available in various sizes (1Kg - 106Kgs).

CYLINDER SIZE

CAP Available In
1KG Powder & Foam
2KG Powder & Foam
5KG Powder & Foam
10KG Powder & Foam
18KG Powder & Foam
45KG Foam
106KG Foam

SYSTEM OPTIONS

SYSTEM Capacity Discription ABC Powder WET Chemical
Agent		 Operating
Pressure
5KG 5Kg ILP System 5Kg
-
 15 Bar
10KG 10Kg ILP System 5Kg 5Kg 15 Bar
18KG
Dual		 18Kg ILP System
Agent System		 9Kg 9Kg 15 Bar
63KG 63Kg ILP System
Agent System		 18Kg 45Kg 15 Bar
124KG 124Kg ILP Dual 18Kg 106Kg 15 Bar
APPLICATION
Minning Vehicles Commercial Vehicles