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Hindustan Fire Protection
Address : 524, Avior Corporate Park,
Near Johnson & Johnson,
L.B.S. Marg, Mulund-West,
Mumbai - 400 080. INDIA.
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D Class Metal Fire Extinguishers
TOUCHWOOD make Class D Fire Extinguishers are designed to tackle flammable metal fires because Ordinary dry chemical powders are not suitable for fighting metal fires or even water & foam type too as metals react violently with metals. .
PRINCIPLE OF OPERATION
- D type Fire Extinguishers contains a blended Sodium Chloride based dry powder extinguishing agent. Heat from the fire causes it to cake and form a crust excluding air and dissipating heat from burning metal.
- Metal fires involving magnesium, sodium, potassium and sodium-potassium alloys can be successfully extinguished with Sodium Chloride based extinguishers
And Lithium, zirconium, uranium, titanium, and powdered aluminum fires can be controlled and extinguished with unique Special extinguisher with extinguishing agent as Ternary Eutectic Chloride (TEC).
FEATURES
- The specially designed applicator is particularly suited for fighting Class D fires. The design is such a way that the operator can stand away from extreme heat and toxic fumes. Other features are non dispersing agent and easily controlled.
- EPDM Rubber braided Discharge hoses for long life (on Demand).
Warning : To avoid electrical shock, operator should use caution when using the extended metal discharge device around electrically energized fire situations.
Performance Data - D Class Metal Fire Extinguishers
| MODEL | G-21A | G-21 | G-22 | G-23 | G-24 |
| Type | Stored Pressure | Stored Pressure | Trolley Mounted | Trolley Mounted | Trolley Mounted |
| Capacity | 6 kg | 9 kg | 25 kg | 50 kg | 75 kg |
| Design | Hose & Applicator | Hose & Applicator | Hose & Applicator | Hose & Applicator | Hose & Applicator |
| Height (Approx) | 550 mm. | 645 mm. | 980 mm. | 1020 mm. | 1030 mm. |
| Diameter (Approx) | 150 ±10 mm. | 180 ±10 mm. | 300 ±10 mm. | 400 ±10 mm. | 400 ±10 mm. |
| Duration (Approx) | 25 sec. | 30 sec. | 45 sec. | 75 sec. | 90 sec. |
| Percentage of Discharge (%) | 85% | 85% | 85% | 85% | 85% |
| Operating Temperature | -20 °C to +55 °C | -20 °C to +55 °C | -20 °C to +55 °C | -20 °C to +55 °C | -20 °C to +55 °C |
| Service Pressure (Ps) | 15 bar | 15 bar | 15 bar | 15 bar | 15 bar |
| Max. Service Pressure (Pms) | 17 bar | 17 bar | 17 bar | 17 bar | 17 bar |
| Test Pressure | 35 bar | 35 bar | 35 bar | 35 bar | 35 bar |
| Expelling Agent | Nitrogen (UHP Grade) | Nitrogen (UHP Grade) | CO2gas | CO2gas | CO2gas |
| CO2 Gas Cartridge/Cylinders | NA | NA | 500grm / 1 kg | 2 kg | 2 kg |
| Standard Bracket & Trolley | Wall bracket (also available with Trolley) | Trolley Mounted | |||
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Applicapability of TEC & SODIUM CHLORIDE POWDERS
SODIUM CHLORIDE
- Sodium Chloride works well for metal fires involving magnesium, sodium (spills and in depth) potassium alloys, uranium, powered Aluminum and etc.
- For lithium and its alloys it cannot works
TEC POWDER
- TEC works for all type of Metals including Lithium and its alloys too
- The unique composition of ternary eutectic chloride of alkali metals gives fast & effective fire knock down capability, which cannot be matched by ordinary mixtures of chloride salts or phosphate base powders.
