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MODEL FSC-28B 

BraiDED FLEXiBLE 

SPriNKLEr CONNECtiON 

tECHNiCaL Data

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: [email protected]

Form No. F_012213  Rev 14.1

Page 4 of 8

taBLE 2: MODEL FSC-28B FriCtiON LOSS Data WitH 12” (305 mm) MiNiMUM BEND raDiUS

Outlet Size

Straight or 90º

Hose Length 

with Fittings

Equivalent Length of FM 1” 

Schedule 40 Pipe (ft.)

Equivalent Length of FM 

1” Schedule 40 Pipe (m)

Maximum Num�er 

of 90° Bends

1/2”

39-3/8“ 

38 ft

11.6 m

2

3/4” NPt

39-3/8“

26.9 ft

8.2 m

1

1/2”

59”

52.4 ft

15.9 m

3

3/4” NPt

59”

51.7 ft

15.8 m

3

   indicates Standard Viking Offering.                     

                    all other lengths have a standard lead time of 12 weeks.  For Friction loss data on non-standard 

lengths contact Viking technical Services at 877-384-5464

taBLE 1: KitS aVaiLaBLE FOr rEPLaCEMENt COMPONENtS

18282

Square Bar for 2 Foot (600mm) Spacing

18283

Square Bar for 4 Foot (1200mm) Spacing

18469

Side Bracket Assembly (Includes Side Bracket, 18287 and 14401)

18286

Center Bracket Assembly (Includes Center Bracket, 18292 and 18293)

18287

Wing Bolt, M6 x 1” (25mm)

18727

Outlet Reducing Nipple, 1/2” NPT

18728

Outlet Reducing Nipple, 3/4” NPT

18292

Wing Bolt, M6 x 2 3/4” (70mm)

18293

Retaining O-RIng

14386

EPDM Seal for 28 mm hose assembly

14378

Inlet Nipple, 1” NPT

The Following Kits are Available for Replacement Components:

These kits may be ordered in addition to the above for replacing components as required. A 49-3/16” (1,250 mm) long 

support bar is available when the main support beams are spaced at 4 ft. (1,219 mm). These must be ordered separate 

from the standard flexible Sprinkler Connection Assembly.

Hose assem�ly Configurations of Standard Offering include:

1.  Braided 28 mm flex sprinkler hose.

2.  Outlet fitting, straight.

3.  Outlet size 1/2” or 3/4” NPT or BSPT.

4.  Inlet connection 1” NPT or BSPT.

Hose assemblies ordered from Viking only come with straight outlet as standard. 

taBLE 1a: KitS aVaiLaBLE tO CONVErt tO aNGLE OUtLEt

18725

1/2” x 28 mm hose 90º angle fitting kit (1) / package

18726

3/4” x 28 mm hose 90º angle fitting kit (1) / package

Содержание FSC-28B

Страница 1: ...ping system and the outlet sprinkler fitting is made with a slip nut and seal design that allows assembly after forming the flex hose to proper installation shape and the inlet and outlet end connections are securely in place This prevents twisting of the flex sprinkler connection during installation and provides a secure leak tight assembly The Viking Model FSC 28B Braided Flexible Sprinkler Conn...

Страница 2: ... 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 Also refer to the current Viking price list 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 ...

Страница 3: ...the flexible hose to the outlet extension nipple with 75 in lbs 1 2 turn past hand tight Multiple bends are permissible when done in accordance with Table 2 Step 4 Attach the sprinkler to the outlet extension nipple Use a wrench on the extension nipple and the proper sprinkler wrench on the sprinkler when tightening Step 5 Installation is complete See Figure 2 for acceptable bends The use of certa...

Страница 4: ...200mm Spacing 18469 Side Bracket Assembly Includes Side Bracket 18287 and 14401 18286 Center Bracket Assembly Includes Center Bracket 18292 and 18293 18287 Wing Bolt M6 x 1 25mm 18727 Outlet Reducing Nipple 1 2 NPT 18728 Outlet Reducing Nipple 3 4 NPT 18292 Wing Bolt M6 x 2 3 4 70mm 18293 Retaining O RIng 14386 EPDM Seal for 28 mm hose assembly 14378 Inlet Nipple 1 NPT The Following Kits are Avail...

Страница 5: ...t must be followed A Sprinklers must be inspected on a regular basis for corrosion mechanical damage obstructions paint etc The frequency of inspections may vary due to corrosive atmospheres water supplies and activity around the device B Sprinklers that have been field painted or mechanically damaged must be replaced immediately Sprinklers showing signs of corrosion shall be tested and or replace...

Страница 6: ...rporation 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 Form No F_012213 Rev 14 1 Page of 8 Figure 1 Installation Schematic Figure 2 Bends Acceptable Not Acceptable Not Acceptable ...

Страница 7: ...es 877 384 5464 Fax 269 818 1680 Email techsvcs vikingcorp com Form No F_012213 Rev 14 1 Page of 8 Figure 3 Flexible Sprinkler Connection Support System No Description 1 Top Wing Bolt M6 X P1 x 1in 25mm Long 2 Square Bar 3 Side Wing Bolt M6 X P1 X 1in 25mm Long 4 Outside Bracket 5 Inside Bracket 6 Center Bracket Assembly 7 Center Bracket Wing Bolt M6 X P1 X 2 3 4in 70mm Long ...

Страница 8: ...ail techsvcs vikingcorp com Form No F_012213 Rev 14 1 Page of 8 Figure 5 Flexible Sprinkler Connection Figure 4 Flexible Sprinkler Connection Installed With Bracket System Assembly 1 NPT Inlet x 1 2 NPT Straight Outlet Braided 1 NPT Inlet x 3 4 NPT Straight Outlet Braided Figure 6 Flexible Sprinkler Connection 1 NPT Inlet x 1 2 NPT 90º Outlet Braided 1 NPT Inlet x 3 4 NPT 90º Outlet Braided Remove...

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