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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 Concealed Horizontal Sidewall Sprinkler VK480
®
is a small high-sensitivity solder link and lever residential sprinkler designed for
installation on concealed pipe systems, where the appearance of a smooth wall
is desired. The sprinkler orifice design, with a K-Factor of 4.0 (57.7 metric*),
allows the sprinkler's efficient use of available water supplies for the hydraulically
designed fire-protection system. The operating element and special deflector
characteristics meet the challenges of residential sprinkler standards. The special
Electroless Nickel PTFE (ENT) coating has been investigated for installation in
corrosive atmospheres and is listed/approved as corrosion resistant as indicated
in the Approval Chart.
The sprinkler is hidden from view by a low profile, small diameter cover plate
installed flush to the wall. The cover plate is available in several decorative
finishes to meet design requirements. The two-piece design allows installation
and testing of the sprinkler prior to installation of the cover plate. After the system
has been tested and wall finish has been applied, the push-on design of the cover
plate assembly allows easy installation of the cover plate with up to 1/4" (6.4 mm)
adjustment. Sprinkler VK480 is provided with a pipe guide to properly locate the
sprinkler and allow the 1/4" adjustment of the cover plate.
2. LISTINGS AND APPROVALS
UL Listed (C-UL-US-EU): Category VKKW (VK480)
LPCB Approved: Certificate 096y/01
Refer to the Approval Chart and Design Criteria for Listing and approval requirements that must be followed.
3. TECHNICAL DATA
Specifications:
Available since 2010.
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: 4.0 U.S. (57.7 metric*)
* Metric K-factor measurement shown is in Bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.
Available Cover Plate Horizontal Adjustment: 1/4" (6 mm)
Overall Length (Sprinkler Body): 2" (50 mm)
Covered by the following US Patent Numbers: 7,712,218 and 8,960,319
Material Standards:
Sprinkler Body: QM Brass and Brass UNS-C84400
Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with Polytetrafluoroethylene (PTFE) Tape
Seat: UNS-C31400 or Brass UNS-C31600, ENT coating available upon request
Deflector Ring: Brass UNS-C23000
Deflector Pins: Stainless Steel UNS-S30200
Halo: Phosphor Bronze UNS-C51000, e-coating available upon request
Flow Shaper: Phosphor Bronze UNS-C51000
Lever Bar Ring: Brass UNS-C84400, or UNS-C31600
Compression Screw: 18-8 Stainless Steel
Fusible Link Assembly: Nickel Alloy and Eutectic Solder
Fusible Link Levers: Stainless Steel UNS-S31600
Guide Pin: Stainless Steel UNS-S43000, ENT coating available upon request
Shipping Cap: Polyethylene
Cover Assembly Materials:
Cover Plate Assembly: Copper UNS-C11000 and Brass UNS-C26800
Spring: Beryllium Nickel
Solder: Eutectic
Ordering Information: Refer to Tables 1 and 2.
Form No. F_121609
Rev 01
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
September 7, 2022
FREEDOM
RESIDENTIAL
®
CONCEALED HORIZONTAL
SIDEWALL SPRINKLER VK480
(K4.0)
Replaces Form No. F_121609 Rev 22.1
(Updated UL cover plate temperature rating.)
Page 1 of 9
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Summary of Contents for Viking FREEDOM VK480
- Page 1 (K4.0) 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. 1. DESCRIPTION Viking Freedom Residential Concealed Horizontal Sidewall Sprinkler VK480 ®...
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Page 2: Technical Data
Footnotes Part number shown is the base part number. For complete part number, refer to the current Viking price list schedule. Based on NFPA 13, NFPA 13R, and NFPA 13D. Other limits may apply, depending on fire loading, sprinkler location, and other requirements of the Authority Having Jurisdiction. - Page 3 Round Cover Plate with a Painted White finish. Footnotes Part number shown is the base part number. For complete part number, refer to the current Viking price list schedule. The sprinkler temperature rating is stamped on the deflector. Based on NFPA-13, NFPA 13R, and NFPA 13D. Other limits may apply, depending on fire loading, sprinkler location, and other requirements of the Authority Having Jurisdiction.
- Page 4 Other paint colors are available on request with the same listings as the standard finish colors. Listings and approvals apply for any paint manufacturer. Contact Viking for additional information. Custom colors are indicated on a label inside the cover assembly. Refer to Figure 1.
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Page 5: Design Criteria
(Also refer to the Approval Chart on page 3.) UL Listing Requirements (C-UL-US-EU): When using Viking Residential Concealed Horizontal Sidewall Sprinkler VK480 for systems designed to NFPA 13D or NFPA 13R, apply the listed areas of coverage and minimum water supply requirements shown in the Approval Chart above. - Page 6 Painted Black. Other paint colours are available on request with the same listings as the standard finish colours. Listings and approvals apply for any paint manufacturer. Contact Viking for additional information. Custom colours are indicated on a label inside the cover assembly. Refer to Figure 1.
- Page 7 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. CEILING Refer to the Approval Chart for...
- Page 8 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. 2 X 4 2-1/8” (52 mm) (50 x 100mm) 3/4”...
- Page 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. Refer to the Approval Chart for...
- Page 10 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 11 * 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 12 • 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 13 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 14 Viking Residential Sprinkler Installation Guide October 25, 2018 www.vikinggroupinc.com Trusted Above All...
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Page 15: 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 16 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 17 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.
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Page 18: 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 19 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 20 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 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 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 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 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 23 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 24 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 25 ® 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 26 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 27 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 28 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.
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Page 29: Top View
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 30 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 31 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 32 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 33 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 34 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 35 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.
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Page 36: 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...