INSTALLATION INSTRUCTIONS
Victaulic
VicFlex
®
Style AB7 Bracket
Flexible Hose Listing and Approval Information
Flexible Hose
AH1
AH1-CC
AH2
AH2-CC
AH2-300
AH2-638
AH3*
AH4
AH5
* SERIES AH3 – REGIONAL AVAILABILITY ONLY
NOTES: Victaulic
®
VicFlex
™
flexible hoses are City of Los Angeles (RR5659) Approved, accepted for use by the City of New York Department of
Buildings (MEA 60-05-E), and have the OSHPD Pre-Approval (OPA-2255-07).
Flexible hoses are available in lengths from 31 - 72 inches/787 - 1829 mm with either 1/2-inch/DN15 or 3/4-inch/DN20 NPT or BSPT threaded outlets.
Maximum Working Pressure Rating of Flexible Hose:
200 psi/14 Bar/1379 kPa (FM)
175 psi/12 Bar/1207 kPa (UL)
16 Bar/1600 kPa/232 psi (VdS)
16 Bar/1600 kPa/232 psi (LPCB – Series AH1, AH2)
1.4 MPa/1400 kPa/203 psi (CCCf – Series AH1, AH2, AH3)
300 psi/21 Bar/2068 kPa (FM – Series AH2-300)
Maximum Ambient Temperature Rating of Flexible Hose:
225° F/107° C (UL, FM, VdS, LPCB)
135° C/275° F (CCCf – Series AH3)
Connection to Sprinkler Piping:
1 inch/DN25 NPT/BSPT (UL, FM, CCCf)
1 inch/DN25 IGS (FM, VdS)
DN20/3/4 inch BSPT (VdS)
DN32/1 1/4 inch BSPT (LPCB)
Minimum Bend Radius of Flexible Hose:
4 inch/102 mm (UL – Series AH5)
7 inch/178 mm (FM – Series AH1, AH1-CC, AH2, AH2-CC, AH3,
AH4, AH2-638)
76 mm/3 inch (VdS – Series AH1, AH1-CC, AH2, AH2-CC, AH3,
AH4)
76 mm/3 inch (LPCB – Series AH1, AH2)
178 mm/7 inch (CCCf – Series AH1, AH2, AH3)
8 inch/203 mm (FM – Series AH2-300)
REV_I
Flexible Hose with Fittings
™
• Read and understand all instructions before attempting to install any Victaulic
• Wear safety glasses, hardhat, and foot protection.
• These installation instructions are intended for an experienced, trained installer.
• The user shall understand the purpose of these products, c ommon industry standards for safety,
and the potential consequences of improper product installation.
• It is the system designer's responsibility to verify suitability of stainless steel flexible hose for use
with the intended fluid media within the piping system and external environment.
• The effect of chemical composition, pH level, operating temperature, chloride level, oxygen level,
and flow rate on the stainless steel flexible hose shall be evaluated by the material specifier to
confirm system life will be acceptable for the intended service.
Failure to follow these instructions could cause improper sprinkler operation and product failure,
resulting in death or serious personal injury and property damage.
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for Fire Protection Service
WARNING
G412024
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Maximum K-Factor of Sprinkler to be Connected to Sprinkler
Reducing Nipple:
K8.0 US/K115 metric for 1/2 inch/DN15
K14.0 US/K200 metric for 3/4 inch/DN20
K115 metric/K8.0 US for 3/4 inch/DN20 (VdS and LPCB)
Maximum Number of 90° Bends Per Flexible Hose:
Refer to the "Friction Loss Data" section. NOTE FOR SERIES AH5
FLEXIBLE HOSES: The flexible hose shall not be bent within
2 1/2 inches/64 mm of the connection nut at both ends.
Flexible Hose Bend Characteristics:
NOTE: For out-of-plane (three-dimensional) bends, care shall be
taken to avoid imparting torque on the flexible hose.
Minimum
Bend Radius
90°
Minimum
Bend Radius
I-VICFLEX.AB7
®
VicFlex
™
104l
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With AB7
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2X
Minimum
2X
Bend
Minimum
Radius
Bend
Radius
OR
OR
Minimum
Bend Radius
Minimum
Bend Radius
Minimum
Bend Radius
I-VICFLEX.AB7_1
products.
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Minimum
Bend Radius
Minimum
Bend Radius
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