Viking FREEDOM VK4680 Technical Data Manual
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Viking FREEDOM VK4680 Technical Data Manual

Viking FREEDOM VK4680 Technical Data Manual

Residential pendent lead free sprinkler k4.9
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Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
Visit the Viking website for the latest edition of this technical data page: www.vikinggroupinc.com
1. DESCRIPTION
Viking Freedom
Residential Pendent Lead Free* Sprinkler VK4680 is a small, thermo-
®
sensitive, glass-bulb residential sprinkler available in several different finishes and tem-
perature ratings to meet varying design requirements. The orifice design, with a K-Factor
of 4.9 (70.6 metric
), allows efficient use of available water supplies for the hydraulically
†
designed fire-protection system. The glass bulb operating element and special deflector
characteristics meet the challenges of residential sprinkler standards.
* Lead content complies with the definition of 'Lead Free' established in the Reduction of Lead in
Drinking Water Act (S.3874) endorsed by AWWA's Water Utility Council, and California Assembly
Bill #1953.
2. LISTINGS AND APPROVALS
UL Listed (cULusEU): Category VKKW
UL Classified to: NSF/ANSI/CAN Standard 61, Drinking Water System
Components and NSF/ANSI 372 (MH48034).
Refer to the Approval Chart and Design Criteria for C-UL-US-EU Listing require-
ments that must be followed.
3. TECHNICAL DATA
Specifications:
Available since 2011.
Minimum Operating Pressure: Refer to the Approval Chart.
Maximum Working Pressure: 175 psi (12 bar). Factory tested hydrostatically to 500 psi (34.5 bar).
Thread size: 1/2" (15 mm) NPT
Nominal K-Factor: 4.9 U.S. (70.6 metric
† Metric K-factor measurement shown is in Bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.
Glass-bulb fluid temperature rated to -65 °F (-55 °C)
Overall Length: 2-1/4" (58 mm)
Material Standards:
Frame Casting: Brass UNS-C89833
Deflector: Phosphor Bronze UNS-C51000
Bulb: Glass, nominal 3 mm diameter
Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with PTFE Tape
Pip Cap: Brass UNS-C64200
Compression Screw: Brass UNS-C36000
Ordering Information: (Also refer to the current Viking price list.)
4. INSTALLATION
Refer to appropriate NFPA Installation Standards.
5. OPERATION
During fire conditions, the heat-sensitive liquid in the glass bulb expands, causing the glass to shatter, releasing the pip cap and
sealing spring assembly. 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 Model VK4680 Sprinkler 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.
Form No. F_101010
Rev 03
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
)
†
January 2024
FREEDOM
PENDENT LEAD FREE
SPRINKLER VK4680 (K4.9)
Replaces Form No. F_101010 Rev 02
(Removed C23000, UNS-C26000, NYC Approval & MEA.)
Page 1 of 6
RESIDENTIAL
®

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Summary of Contents for Viking FREEDOM VK4680

  • Page 1 Refer to NFPA 25 for Inspection, Testing and Maintenance requirements. 7. AVAILABILITY The Viking Model VK4680 Sprinkler 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.

  • Page 2: Technical Data

    Visit the Viking website for the latest edition of this technical data page: www.vikinggroupinc.com 8. GUARANTEE For details of warranty, refer to Viking’s current list price schedule or contact Viking directly. TABLE 1: ORDERING INFORMATION Instructions: Using the sprinkler base part number, (1) add the suffix for the desired Finish (2) add the suffix for the desired Temperature Rating.
  • Page 3 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 Visit the Viking website for the latest edition of this technical data page: www.vikinggroupinc.com TABLE 2: AVAILABLE SPRINKLER TEMPERATURE RATINGS AND FINISHES...
  • Page 4 Footnotes Part number shown is the base part number. For complete part number, refer to Viking’s current price schedule. Metric K-factor measurement shown is when pressure is measured in bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.
  • Page 5 SPRINKLER VK4680 (K4.9) 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 Visit the Viking website for the latest edition of this technical data page: www.vikinggroupinc.com Carefully slide the Sprinkler Wrench...
  • Page 6 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 Visit the Viking website for the latest edition of this technical data page: www.vikinggroupinc.com Figure 4: Sprinkler VK4680 Dimensions with a Standard Escutcheon...

  • Page 7: Design Criteria

    (Also refer to the Approval Chart.) UL Listing Requirements (cULusEU): When using Viking Residential Pendent Lead Free Sprinkler VK4680 for systems designed to NFPA 13D or NFPA 13R, apply the listed areas of cover- age and minimum water supply requirements shown in the Approval Chart.
  • Page 8 Viking Residential Sprinkler Installation Guide October 25, 2018 www.vikinggroupinc.com Trusted Above All...

  • Page 9: Listings And Approvals

    This color change does not affect the integrity of the bulb.) Viking residential sprinklers are intended for use on wet pipe residential systems only. Adequate heat must be provided for wet- pipe systems. DO NOT use Viking residential sprinklers on dry systems unless specifically allowed by recognized installation standards or the Authority Having Jurisdiction.
  • Page 10 B. Installation Instructions Viking sprinklers are manufactured and tested to meet the rigid requirements of approving agencies. They are designed to be installed in accordance with recognized installation standards NFPA 13, NFPA 13R, and NFPA 13D, and any associated TIAs.
  • Page 11 Viking residential sprinklers may be listed for more than one area of coverage. Suggested practice in selecting area of coverage is to select the one that can be adequately supplied by the available water supply and still allow for the installation of as few sprinklers in a compartment as possible while observing all guidelines pertaining to obstructions and spacing.

  • Page 12: Operation

    TECHNICAL DATA INSTALLATION GUIDE 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 2. Apply a small amount of pipe-joint compound or tape to the external threads of the sprinkler only, taking care not to allow a build-up of compound in the sprinkler inlet.
  • Page 13 Refer to the Authority Having Jurisdiction for minimum replacement requirements. 7. AVAILABILITY Viking Residential Sprinklers are 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.
  • Page 14 RESIDENTIAL ® SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 Table 2 Rise Over Run Conversion to Degrees of Slope Form No. F_080190 18.10.25...
  • Page 15 SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 SPACING OF RESIDENTIAL SPRINKLERS LISTED FOR USE BELOW SLOPED CEILINGS UP TO AN 8/12 (33.7°) PITCH (Refer to the appropriate residential sprinkler technical data page for listings.)
  • Page 16 SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 SPACING OF RESIDENTIAL SPRINKLERS LISTED FOR USE BELOW SLOPED CEILINGS UP TO AN 8/12 (33.7°) PITCH (Refer to the appropriate residential sprinkler technical data page for listings.)
  • Page 17 SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 SPACING OF RESIDENTIAL SPRINKLERS BELOW SLOPED CEILINGS WITH GREATER THAN 8/12 (33.7°) PITCH WITH NO BAFFLE AND A MAXIMUM OF 2 SPRINKLERS IN THE ROOM (NOTE: Refer to NFPA 13D or NFPA 13R, and the Authority Having Jurisdiction.)
  • Page 18 SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 SPACING OF RESIDENTIAL SPRINKLERS BELOW CEILINGS WITH SLOPES EXCEEDING 8/12 (33.7°) PITCH WITH NO BAFFLE AND A MAXIMUM OF 2 SPRINKLERS IN THE ROOM (NOTE: Refer to NFPA 13D or NFPA 13R, and the Authority Having Jurisdiction.)
  • Page 19 ® SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 MINIMUM DISTANCE BETWEEN SPRINKLER AND INTERSECTING SLOPED CEILINGS 4’ (1.2 m) 20’ (6.1 m) DISTRIBUTION NOT 18’...
  • Page 20 SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 AVOIDING OBSTRUCTIONS TO SPRINKLER DISCHARGE (Obstruction rules for residential sprinklers are found in section 8.10 of the 2010 edition of NFPA 13.)
  • Page 21 SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 AVOIDING OBSTRUCTIONS TO SPRINKLER DISCHARGE (Obstruction rules for residential sprinklers are found in section 8.10 of the 2010 edition of NFPA 13.)
  • Page 22 SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 LOCATING RESIDENTIAL SPRINKLERS NEAR HEAT SOURCES Ordinary temperature rated residential sprinklers (135 °F to 170 °F rated) are only to be installed where the maximum ambient ceiling temperature will not exceed 100 °F.
  • Page 23 TECHNICAL DATA INSTALLATION GUIDE 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 NOTE: The dimensions shown are intended to apply to residential sprinklers installed in ceilings above fireplaces used to burn products that cause elevated temperatures at or near the ceiling in areas surrounding the fireplace.
  • Page 24 RESIDENTIAL ® SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 1’-6” (457 mm) TYP Top View 2’-6” (.8 m) TYP 1’-6” (457 mm) TYP Front View Sprinklers near a furnace or water heater must be located outside of the shaded area or be intermediate degree rated.
  • Page 25 FREEDOM RESIDENTIAL ® SPRINKLER TECHNICAL DATA INSTALLATION GUIDE 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 1’-6” (457 mm) Top View 1’-6” (457 mm) TYP Front View Sprinklers near a range or wall oven must be located outside of shaded areas or be intermediate degree rated.
  • Page 26 Refer to the appropriate technical data page and NFPA standards for complete care, handling, installation, and maintenance instructions. For additional product and system information Viking data pages and installation instructions are available on the Viking Web site at www.vikinggroupinc.com.
  • Page 27 * Refer to the appropriate current technical data pages for complete care, handling, and installation instructions. Data pages are included with each shipment from Viking or Viking distributors. They can also be found on the Web site at www. vikinggroupinc.com.
  • Page 28 • while ceiling finish work is being completed. Use only the designated Viking recessed sprinkler wrench (refer to the appropriate sprinkler data page) to install 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.
  • Page 29 Take care not to crack the wax coating on the units. • For touching up the wax coating after installation, wax is available from Viking in bar form. Refer to Table 1 below. The coating MUST be repaired after •...
  • Page 30 1. DESCRIPTION Viking fire sprinklers consist of a threaded frame with a specific waterway or orifice size and a deflector for distributing water in a specified pattern. A closed or sealed sprinkler refers to a complete assembly, including the thermosensitive operating element. An open sprinkler does not use an operating element and is open at all times.
  • Page 31 TECHNICAL DATA SPRINKLER OVERVIEW 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 VERTICAL SIDEWALL (VSW) SPRINKLER: A sprinkler intended for installation near the wall and ceiling. The deflector provides a water spray pattern outward in a quarter-spherical pattern and can be installed in the upright or pendent position with the flow arrow in the direction of discharge.
  • Page 32 Refer to NFPA 25 for Inspection, Testing and Maintenance requirements. 7. AVAILABILITY Viking sprinklers are 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.
  • Page 33 Refer to the appropriate technical data page and NFPA standards for complete care, handling, installation, and maintenance instructions. For additional product and system information Viking data pages and installation instructions are available on the Viking Web site at www. vikinggroupinc.com.

  • Page 34: Warranty Terms And Conditions

    For more information, go to www.P65Warnings.ca.gov 2. WARRANTY TERMS AND CONDITIONS For details of warranty, refer to Viking’s current list price schedule at www.vikinggroupinc.com or contact Viking directly. New Bulletin Form No. F_111218 18.11.15...

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