Our braided flexible sprinkler hoses for industrial ducts are available with either a 1/2″ or 1″ outlet, and in three different lengths: 30″, 47″ and 67″. These hoses have a maximum temperature rating of 225°F and a maximum pressure rating of 175 psi.
| Part # | Description |
| EFDS-01A | Industrial Duct, Braided Flexible Fire Sprinkler Drop, 1/2″ x 30″ |
| EFDS-02A | Industrial Duct, Braided Flexible Fire Sprinkler Drop, 1/2″ x 47″ |
| EFDS-03A | Industrial Duct, Braided Flexible Fire Sprinkler Drop, 1/2″ x 67″ |
National Fire Protection Association (NFPA):
NFPA 13: Standard for installation of sprinkler systems
NFPA 13D: Standard for the installation of sprinkler systems in one and two-family dwellings and manufactured homes
NFPA 13R: Standard for installation of sprinkler systems in residential occupancies up to and including four stories in height
NFPA 13 Section 9.2.1.3.3.3: Hangers are not required for flexible connections as long as the length does not exceed 6 ft.
Factory Mutual (FM), FM Class No. 1637:
Approved standard for flexible sprinkler hose with threaded end fittings
| Lengths Available | 30″, 47″, and 67″ | ||
| Connection | Inlet – 1″ | ||
| Outlet – 1/2″ |
| Hose/Braid | Stainless Steel 304 | ||
| Flange | ABS (Duct) | ||
| Tube & Nipples | Stainless Steel 304 | ||
| O-Ring | EPDM |
| Hose Type | Braided | ||
| Max. Temperature | 225°F | ||
| Max. Pressure | 174 psig | ||
| Min. Bend Radius* | 8″ | ||
| K-Factor (1/2″ Outlet) | 5.6 |
*Do not bend within 2.25″ from connection nuts
| Model# | Length | Outlet Size | Max.# of 90° Bends | Equivalent Length of 1″ Sch. 40 Pipe in ft. | |||||
| EFDS-01A | 30″ | 1/2″ | 1 | 8.7′ | |||||
| EFDS-02A | 47″ | 1/2″ | 3 | 16.7′ | |||||
| EFDS-03A | 67″ | 1/2″ | 4 | 22.5′ | |||||
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