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Braided Flexible Hose

Our braided flexible sprinkler hoses are available with either a 1/2″ or 3/4″ outlet, and in five different lengths: 24″, 36″, 48″, 60″, and 72″. These hoses have a maximum temperature rating of 225°F and a maximum pressure rating of 175 psi.

- Stainless Steel 304 (Hose and Braided Jacket)
- Zinc-plated Steel (Nut & Nipple)
- EPDM Sealing Gasket
- Nylon Isolation Ring
- UL Listed & FM Approved

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Models

  • 1/2” Connection
    Outlet SizePart #Description
    1/2″KFB 2241/2″ FIP x 1″ MIP
    1/2″KFB 2361/2″ FIP x 1″ MIP
    1/2″KFB 2481/2″ FIP x 1″ MIP
    1/2″KFB 2601/2″ FIP x 1″ MIP
    1/2″KFB 2721/2″ FIP x 1″ MIP
  • 3/4” Connection
    Outlet SizePart #Description
    3/4″KFB 224HP3/4″ FIP x 1″ MIP
    3/4″KFB 336HP3/4″ FIP x 1″ MIP
    3/4″KFB 348HP3/4″ FIP x 1″ MIP
    3/4″KFB 360HP3/4″ FIP x 1″ MIP
    3/4″KFB 372HP3/4″ FIP x 1″ MIP

Technical Data

BRAIDED FLEXIBLE SPRINKLER DROPS APPLIANCE STANDARDS

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


Factory Mutual (FM), FM Class No. 1637:

Approved standard for flexible sprinkler hose with threaded end fittings


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)


BRAIDED FLEXIBLE HOSE DIAGRAM

  1. Tube
  2. Isolation Ring
  3. Sealing Ring
  4. Nut
  5. Nipple (1”)
  6. Reducer

SPECIFICATIONS

Lengths Available24”, 36”, 48”, 60”, and 72”
Outlet1/2” or 3/4”
Hose TypeBraided
HoseStainless Steel 304
Nut & NippleZinc-Plated Steel
Sealing Gasket/Isolation RingEPDM/Nylon
Max. Ambient Temperature Rating225°F
Max. Working Pressure Rating175 psig
Minimum Bend Radius4” (UL/ULC) and 8” (FM)
DO NOT bend within 2.52 inches from connection nuts
ConnectionInlet – 1” NPT
Outlet – 1/2” or 3/4” NPT
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