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STANDARD RESPONSE 

FUSIBLE LINK UPRIGHT 

SPRINKLER VK108 (K5.6)

TECHNICAL DATA

Page 2 of 5

Form No. F_052214    21.09.29     Rev 21.1

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: [email protected]

Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com

5.  OPERATION

During fire conditions, the heat-sensitive fusible link disengages, the pip cap and spring are released, and the waterway is opened. 

Water flowing through the sprinkler orifice strikes the sprinkler deflector, forming a uniform spray pattern to extinguish or control 

the fire.

6.  INSPECTIONS, TESTS AND MAINTENANCE

Refer to NFPA 25 for Inspection, Testing and Maintenance requirements. 

7.  AVAILABILITY

The Viking Standard Response Fusible Link Upright Sprinkler VK108 is available through a network of domestic and international 

distributors. See The Viking Corporation web site for the closest distributor or contact The Viking Corporation.

8.  GUARANTEE

For details of warranty, refer to Viking’s current list price schedule or contact Viking directly.

Summary of Contents for VK108

Page 1: ...r shown by 10 0 Material Standards Frame Casting Brass UNS C84400 Deflector Brass UNS C23000 or Copper UNS C19500 Fusible Link Assembly Brass UNS C40500 and UNS C51000 NOTE For chrome sprinklers the fusible link assembly is painted silver for decorative purposes only Belleville Spring Sealing Assembly Nickel Alloy coated on both sides with PTFE Tape Screw Brass UNS C36000 Seat Copper UNS C11000 Pi...

Page 2: ...the pip cap and spring are released and the waterway is opened Water flowing through the sprinkler orifice strikes the sprinkler deflector forming a uniform spray pattern to extinguish or control the fire 6 INSPECTIONS TESTS AND MAINTENANCE Refer to NFPA 25 for Inspection Testing and Maintenance requirements 7 AVAILABILITY The Viking Standard Response Fusible Link Upright Sprinkler VK108 is availa...

Page 3: ... Wax 220 F 104 C Dark Brown Wax4 Footnotes 1 The sprinkler temperature rating is stamped on the deflector 2 Based on NFPA 13 Other limits may apply depending on fire loading sprinkler location and other requirements of the Authority Having Jurisdiction Refer to specific installation standards 3 The corrosion resistant coatings have passed the standard corrosion test required by the approving agenc...

Page 4: ...k with the manufacturer for any additional approvals 4 Listed by Underwriters Laboratories Inc for use in the U S and Canada 5 cULus Listed as corrosion resistant 6 Other colors are available on request with the same Listings and Approvals as the standard colors DESIGN CRITERIA UL Also refer to Approval Chart 1 cULus Listing Requirements Viking Standard Response Fusible Link Upright Sprinkler VK10...

Page 5: ...e shows the listings and approvals available at the time of printing Check with the manufacturer for any additional approvals 4 Other colors are available on request with the same Approvals as the standard colors DESIGN CRITERIA FM Also refer to Approval Chart 2 FM Approval Requirements Sprinkler VK108 is FM Approved as a standard response Non Storage upright sprinkler as indicated in the FM Appro...

Page 6: ...stall sprinklers onto piping at the floor level Install sprinklers after the piping is in place to prevent mechanical damage DO NOT allow impacts such as hammer blows directly to sprinklers or to fittings pipe or couplings in close proximity to sprinklers Sprinklers can be damaged from direct or indirect impacts DO NOT attempt to remove drywall paint etc from sprinklers Take care not to over tight...

Page 7: ...D CAPS MUST BE REMOVED FROM SPRINKLERS BEFORE PLACING THE SYSTEM IN SERVICE Figure 1 Sprinkler shield being removed from a pendent sprinkler Figure 2 Sprinkler cap being removed from a pendent sprinkler Figure 3 Sprinkler cap being re moved from and upright sprinkler HOW TO REMOVE SHIELDS AND CAPS No tools are necessary to remove the shields or caps from sprinklers DO NOT use any sharp objects to ...

Page 8: ... these sprinklers NOTE The protective cap is temporarily removed during installation and then placed back on the sprinkler for protection until finish work is completed Do not over tighten the sprinklers into fittings during installation Do not use the sprinkler deflector to start or thread the sprinklers into fittings during installation Do not attempt to remove drywall paint etc from the sprinkl...

Page 9: ...t the corrosion resistant properties of the sprinkler Use care when locating sprinklers near fixtures that can generate heat Do not install sprinklers where they would be exposed to temperatures exceed ing the maximum recommended ambient temperature for the temperature rating used Inspect the coated sprinklers frequently soon after installation to verify the integrity of the corrosion resistant co...

Page 10: ...ction of fire protection products are provided herin as they relate to legally mandated jurisdictional regions WARNING STATE OF CALIFORNIA USA Installing or servicing fire protection products such as sprinklers valves piping etc can expose you to chemicals including but not li mited to lead nickel butadiene titaninum dioxide chromium carbon black and acrylonitrile which are known to the State of C...

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