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Form No. F_012213 Rev 14.1
the Viking Corporation, 210 N industrial Park Drive, Hastings Mi 49058
telephone: 269-945-9501 technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
3. tECHNiCaL Data
Specifications:
Available since 2013.
•
Braided hose diameter: 28 mm outside diameter
•
Standard Lengths: 39-3/8" (1000mm) & 59" (1500mm)
•
Inlet 1" NPT or BSPT, male pipe threads.
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Outlet reducer straight or 90º with 1/2" or 3/4" NPT or BSPT, female thread. See Figure 5.
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Stainless Steel braided exterior, includes braid and corrugated tube of AISI 304 SST.
•
Corrugated tube is annealed after forming to insure relief of all material stresses and removal of all scale.
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Limited flexibility design
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Intended use for direct connection to fire sprinklers
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Maximum Working Pressure = 175 PSI (12 bar)
•
Approved for wet and dry systems as noted in NFPA 13
•
Maximum ambient temperature: 300 °F (149 °C)
refer to the sprinkler technical data page, as the temperature rating and maximum pressure rating of the
sprinkler may �e different than the Flexi�le Sprinkler Connection.
•
Minimum bend radius: 12" (305 mm) for FM Approval
Material Standards:
Flexible Tube: AISI 304 Stainless Steel
Braid: AISI 304 Stainless Steel
Outlet Extension Nipple (Straight): SPPS Steel (ASTM A53 A) with yellow zinc plating
Inlet Nipple: SPPS Steel (ASTM A53 A) with yellow zinc plating
Seal: EPDM
Slip Nut: SS41 (ASTM A283 D) Steel with zinc plating
Support Brackets (all): SS41 (ASTM A572) Steel with zinc plating
Support Bar: SS41 (ASTM A283 D) Steel with zinc plating
Insulating Collar: Nylon 66
Ordering information:
The Following Model FSC-28B Flexible Sprinkler Connections are Available as Stock Assemblies:
Part No. 18731-10: 1" NPT x 1/2" NPT x 39-3/8" (1000mm) length, straight outlet, Braided
Part No. 18732-10: 1" NPT x 3/4" NPT x 39-3/8" (1000mm) length, straight outlet, Braided
Part No. 18731-15: 1" NPT x 1/2" NPT x 59" (1500mm) length, straight outlet, Braided
Part No. 18732-15: 1" NPT x 3/4" NPT x 59" (1500mm) length, straight outlet, Braided
Other flex connection assembly lengths are available upon special order. (12 week standard lead time)
Each Carton Includes (5) Complete Assemblies with the Following Components:
(5) Flexible hose assemblies, lengths 39-3/8" (1000mm) or 59" (1500mm)
(5) Outlet extension Nipple, 1/2" or 3/4" NPT or BSPT, straight as specified
(5) Inlet fittings, 1" NPT or BSPT as specified
(5) Center Bracket Assembly
(5) Center Bracket Wing Bolt, M6 X P1 X 2 3/4" (70mm)
(20) Top and Side Wing Bolts, M6 X P1 X 1" (25mm) Long
(10) Inside Brackets
(10) Outside Brackets
(5) 5/8" (16 mm) square x 23-5/64" (586 mm) long support bars
(1) Set of Installation Instructions.
Hose assemblies ordered from Viking only come with straight outlet as standard. Conversion to 90º angle outlet fitting
can be done by ordering the desired kit from Table 1A.
tECHNiCaL Data
(Also refer to the current Viking price list.)
MODEL FSC-28B
BraiDED FLEXiBLE
SPriNKLEr CONNECtiON
Viking technical Data may �e found on
the Viking Corporation's We� site at
http://www.vikinggroupinc.com.
the We� site may include a more recent
edition of this technical Data Page.
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