NATIONAL FIRE PRODUCTS NFP22XXX Specflex SHP Performance Sprinkler Drops Instruction Manual
- June 5, 2024
- National Fire Products
Table of Contents
NATIONAL FIRE PRODUCTS NFP22XXX Specflex SHP Performance Sprinkler Drops
Standards
National Fire Protection Association (NFPA)
- NFPA 13: Standard for the 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: No hangers are required for flexible connections as long as the length does not exceed 6 ft
American Society for 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
Underwriter’s Laboratories, Inc. (UL), UL 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)
Features
- Available lengths : 31″, 36″, 48″, 60″ and 72″
- Outlet sizes : 1/2″ and 3/4″
- Includes pre-installation positioning and identification sleeve Max ambient temperature rating: 300° F Max working pressure rating: 300 psi (UL), 225 psi (FM)
- *Minimum bend radius:** UL – 2.5″/FM – 6.5″
- Connection : Inlet – 1″ MNPT
- Hose Diameter: I.D. = 1.14″ (29mm) O. D. = 1.38″ (35mm)
technical data
- Hose type : Braided
- Hose: Stainless steel 304
- Nut and nipple : Zinc-plated steel
- Sealing gasket: EPDM
- Press ring (inner and outer): Stainless steel 304
- Isolation ring: Nylon
Installation
- Please refer to NFP Specflex Installation Manuals for proper installation guidelines
*DO NOT bend within 2.5″ from connection nuts.
SH hose Bracket Approvals
| Bracket | Approved Bracket assembly |
|---|---|
| NFP240124 | FM, UL |
| NFP240724 | FM, UL |
| NFP240624 | FM, UL |
| NFP240148 | FM |
| NFP2403 | FM |
| NFP240424 | FM |
BRAIDED FLEXIBLE HOSE
- Tube
- Isolation ring
- Sealing gasket
- Nut
- Nipple (1″)
- Reducer
- Braid
- Press ring (inner)
- Press ring (outer)
Friction Loss Data
- UL: 2.5″ minimum bend radius, where C=120
- FM: 6.5″ minimum bend radius, where C=120
Ordering Code Matrix
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