Foam Chamber
Foam Chamber is used in one of the most common application to protect vertical fixed roof (cone) liquid storage tanks, with or without internal floating roof with the low expansion foam system. The application of foam is on the basis that the risk comprises the total surface area of the fuel. The foam system design guidelines generally used are in accordance with NFPA-11, standard.
Foam chambers are defined by NFPA-11 as Type II discharge outlets for delivering the foam to the surface of a flammable liquid. The Foam Chambers are widely used with the Inline Foam Inductor, Balance Pressure Foam Proportioning system, Bladder Tank Proportioner or Foam Tender.
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Features
- Heavy duty welded construction with choice of Carbon Steel or Stainless Steel material
- Frangible Glass Vapour Seal
- Controlled Air Flow proportional to liquid flow for optimum foam quality and rupture of vapour seal in narrow pressure tolerances for increased reliability
- Field replaceable orifice plate fitted with Foam Chamber
Specifications
| Model No. | Inlet Size | Outlet Size | Flow Rate (LPM) | ||
|---|---|---|---|---|---|
| AFFF 3% (as per UL) |
AFFF 3% (as per FM) |
AFFF 6% (as per FM) |
|||
| NF-FC65 / NF-FCSS65 | 65 NB | 100 NB | 150 - 550 | 173 - 559 | 173 - 559 |
| NF-FC80 / NF-FCSS80 | 80 NB | 150 NB | 300 - 1021 | 330 - 997 | 338 - 1022 |
| NF-FC100 / NF-FCSS100 | 100 NB | 200 NB | 600 - 2400 | 658 - 1855 | 653 - 1839 |
| NF-FCR150 | 150 NB | 250 NB | ---* | 2497 - 3975 | 2487 - 4047 |
NOTES: *150 NB Foam Chamber not included in UL Listing.
