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1. Purpose and application
Stand-alone solid propellant fire extinguishing installations UPAT are intended for suppression of classes "A" and "B" fire.
They are used for fire protection of the following facilities: thermoelectric power stations; hydroelectric stations; enterprises that extract and process mineral raw materials, oil and gas; administrative and public buildings with mass stay of people, including hotels; they are also used for liquidation of forest fires.
UPAT – stationary systems and installations, which are designed to be placed in the industrial premises or in the separate bunkers, bunded or deepened. They are activated manually, from the start button, or automatically from an electrical signal given by a fire detection sensor.
These systems can be placed in different vehicles on tracks or wheeled chassis, passenger or freight railway cars, sea or river vessels, planes, external suspension of helicopters.
2. Design and operation mechanism
A stand-alone solid propellant fire extinguishing installation UPAT consists of a container made of the composite material and a solid propellant gas generator.
The operation mechanism of the device is based on the principle of displacement of fire extinguishing agent (water, salt solution or foaming agent) under the pressure influence in the container, generated when the solid propellant gas generator is activated (see Fig.1).
Figure 1 – Scheme of UPAT
The source of pressure in the installations are gaseous combustion products of special solid heterogeneous compositions, burning at the moment of fire occurrence, automatically from electric signal, coming from the fire detector, or manually (see Fig.2).
3. Specifications
3.1. Main specifications
Specifications |
UPAT-800 |
UPAT-2000 |
UPAT-7500 |
The volume of fire extinguishing liquid, l |
800 |
2000 |
7500 |
Weight of the charged system, kg |
200 |
300 |
1000 |
Warm up time, s |
0,5–2,0 |
0,5–3,0 |
1,0–3,5 |
The liquid feed intensity, l/s |
5–50 |
20–100 |
50–300 |
Pressure of liquid displacement, MPa |
0,2–3,0 |
0,2–3,0 |
0,2–3,0 |
How many times can be used before maintenance |
20 |
20 |
15 |
The time of recharge, h, no more |
0,5 |
0,5 |
1 |
The occupied area, m2 |
1,0 |
1,8 |
5,4 |
3.2. Temperature range of operation with water: 0…+50 °С.
3.3. Operation period: 10 years.
3.4. Types of activation:
Any type of sensors (smoke, heat, optical), as well as control and manage devices, including optical sensors MDP and modular control and activation devices PPKP-M (see the catalog of the civil use products of FGUP “FCDT “Soyuz”), can be used for detection of fire and activation of UPAT installations.
4. Distinctive features