NATIONAL FIRE PRODUCTS NFP 22-31 Specflex SHP Performance Sprinkler Drops Instruction Manual

NATIONAL FIRE PRODUCTS NFP 22-31 Specflex SHP Performance Sprinkler Drops

SpecflexTM 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 6ft

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

SpecflexTM SHP Performance Sprinkler Drops

BRAIDED FLEXIBLE HOSE

1. Tube
2. Isolation ring
3. Sealing gasket
4. Nut
5. Nipple (1″)
6. Reducer
7. Braid
8. Press ring (inner)
9. Press ring (outer)

Friction Loss Data

Length (in.)| Max| Number UL| of| 90 °| Bends

FM

| Outlet Connection| K-Factor| Equivalent Length UL| of| 1″| Schedule| 40 FM| Pipe (ft)
---|---|---|---|---|---|---|---|---|---|---|---|---|---
| | | | 5.6| 9.0| 3.5
| | | 1/2″| 8.0| | 4.4
31″| 2| 1| 3/4″| 8.0| 16.0| 5.0
| | | | 14.0| | 5.1
36″                  5                     2 8.0| | 5.1
---|---|---
3/4″               8.0| 22.0| 6.0
14.0| | 6.0
1/2″               5.6| 19.0| 6.9
48″                  6                     3 8.0| | 6.6
3/4″               8.0| 34.0| 8.4
14.0| | 8.3
1/2″               5.6| 26.0| 9.4
60″                 10                    4 8.0| | 8.1
3/4″               8.0| 40.0| 10.9
14.0| | 10.6
1/2″               5.6| 37.0| 11.9
72″                 12                    4 8.0| | 9.7
3/4″               8.0| 46.0| 13.4
14.0| | 12.9

• UL : 2.5″ minimum bend radius, where C=120
• FM: 6.5″ mimimum bend radius, where C=120

Ordering Code Matrix

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