Japan, NOHMI BOSAI
NOHMI BOSAI NN83CU Storage Cylinder
Made in Japan
Manufacturer: NOHMI BOSAI
Model: NN83CU
Features of NN83CU
- UL Listed to UL2127.
- New Seamless Steel Cylinder.
- High Pressure System, 27.9 MPa (4047 psi).
- Equipped with the Automatic Pressure-Regulating Valve.
- Low Cost to Refill.
Description
- The N₂ storage cylinder, model NN83CU, is used as a component of the NN100 Fire Extinguishing System.
- This cylinder, which has an actual volume of 83 liters (2.93 ft³), is filled with pure Nitrogen compressed gas and will provide a free agent volume of 20.3m³ (716 ft³) at 0.1014MPa, 20°C (14.7psia, 68°F), when pressurized to 27.9MPa, 20°C (4047 psi, 68°F).
All cylinders are equipped with an automatic pressure-regulating valve. - This valve quickly discharges the agent and has a mechanism which controls the discharging pressure to less than the pilot pressure, 10.0MPa at 20°C (1450psi at 68°F).
The cylinder is made of seamless steel and complies with the High Pressure Gas Safety Law of Japan.
Specification of NN83CU
| Item | Specification |
|---|---|
| Part number | U4001 |
| Model | NN83CU |
| Standard | JIS B 8241 (Japanese Standard) |
| Water Capacity | 83.0 L |
| Filling Volume | 20.3m³ at 20°C (716 ft³, 68°F) |
| Operating pressure (at 20°C) | 27.9 MPa (4047 psi, 68°F) |
| Test pressure | 50.0 MPa (7251 psi) |
| Cylinder Valve | Approx. 10.0 MPa at 20°C (1450 psi, 68°F) |
| Cylinder Dimensions | Approx. 1175mm (72.44″) (H) |
| Temperature range | -20°C to 54.4°C (-4°F to 130°F) |
| Tare Weight (Except with agent) | Approx. 69.5 kg (153.2 lbs) |
| Material | Cr-Mo Steel |
| Finished Color | Munsell No. 6-N |
Operation Flow Chart
