Technical Data | Submittal | Easyflex Product Catalog
Our unbraided flexible sprinkler hoses are available with either a 1/2″ or 3/4″ outlet, and in five different lengths: 28″, 40″, 48″, 60″, and 67″. These hoses have a maximum temperature rating of 225°F and a maximum pressure rating of 175 psi.
| Outlet Size | Part # | Description |
| 1/2″ | EFU 228 | 1/2″ FIP x 1″ MIP |
| 1/2″ | EFU 240 | 1/2″ FIP x 1″ MIP |
| 1/2″ | EFU 248 | 1/2″ FIP x 1″ MIP |
| 1/2″ | EFU 260 | 1/2″ FIP x 1″ MIP |
| 1/2″ | EFU 267 | 1/2″ FIP x 1″ MIP |
| Outlet Size | Part # | Description |
| 3/4″ | EFU 328 | 3/4″ FIP x 1″ MIP |
| 3/4″ | EFU 340 | 3/4″ FIP x 1″ MIP |
| 3/4″ | EFU348 | 3/4″ FIP x 1″ MIP |
| 3/4″ | EFU 360 | 3/4″ FIP x 1″ MIP |
| 3/4″ | EFU 367 | 3/4″ FIP x 1″ MIP |
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.
American Society of Testing and Methods (ASTM):
ASTM C635: Standard specifications for the manufacture, performance, and testing of metal suspension systems for acoustical tile and lay-in panel ceilings
ASTM C636: Standard practice for installation of metal ceiling suspension systems for acoustical tile and lay-in panels
Underwriters Laboratories, Inc. (UL/ULC), cUL us 2443:
Standard for flexible sprinkler hose with fittings for fire protection service
International Building Code (IBC) Section 1621/American Society of Civil Engineers (ASCE) 7 9.6.2.6.2 & 9.6.2.6.2.2:
Flexible sprinkler connections are the alternative solution to install without seismic escutcheons (oops ring)
| Lengths Available | 28”, 40”, 48”, 60”, and 67” |
| Outlet | 1/2” or 3/4” |
| Hose Type | Unbraided |
| Hose | Stainless Steel 304 |
| Nut & Nipple | Zinc-Plated Steel |
| Sealing Gasket/Isolation Ring | EPDM/Nylon |
| Max. Ambient Temperature Rating | 225°F |
| Max. Working Pressure Rating | 175 psig |
| Minimum Bend Radius | 6” (UL/ULC) DO NOT bend within 2.52 inches from connection nuts |
| Connection | Inlet – 1” NPT Outlet – 1/2” or 3/4” NPT |
|
Length |
Outlet Connection |
K-Factor |
Max. # of 90° Bends |
Equivalent Length of 1 in. Schedule 40 Pipe, ft. |
|||||
|
28″ |
1/2″ | 5.6 | 1 | 18′ | |||||
| 3/4″ | 8.0 | 1 | 22′ | ||||||
|
40″ |
1/2″ | 5.6 | 2 | 32′ | |||||
| 3/4″ | 8.0 | 2 | 39′ | ||||||
|
48″ |
1/2″ | 5.6 | 2 | 38′ | |||||
| 3/4″ | 8.0 | 2 | 44′ | ||||||
|
60″ |
1/2″ | 5.6 | 3 | 55′ | |||||
| 3/4″ | 8.0 | 3 | 61′ | ||||||
|
67″ |
1/2″ | 5.6 | 3 | 63′ | |||||
| 3/4″ | 8.0 | 3 | 83′ | ||||||
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