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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.
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.
For systems designed to NFPA 13: The number of design sprinklers is to be the four contiguous most hydraulically demanding sprinklers. The minimum
required discharge from each of the four sprinklers is to be the greater of the following:
The flow rates given in the Approval Chart above for NFPA 13D and NFPA 13R applications for each listed area of coverage, or
•
•
Calculated based on a minimum discharge of 0.1 gpm/sq. ft. over the "design area" in accordance with sections 8.5.2.1 or 8.6.2.1.2 of NFPA 13.
THE TOP OF THE SPRINKLER BODY AND THE TOP OF THE INSTALLATION WRENCH ARE MARKED "TOP". Orient the top of the sprinkler
•
element parallel with the ceiling as shown in Figure 3.
•
Minimum distance between residential sprinklers: 8 ft. (2.4 m).
NOTE: Concealed sprinklers must be installed in neutral or negative pressure plenums only.
IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Also refer to Form No. F_080190
and Form No. F_080415 for general care, installation, and maintenance information. Viking sprinklers are to be installed
in accordance with the latest edition of Viking technical data, the appropriate standards of NFPA and any other similar
Authorities Having Jurisdiction, and also with the provisions of governmental codes, ordinances, and standards, whenever
applicable. Final approval and acceptance of all residential sprinkler installations must be obtained from the Authorities
Having Jurisdiction.
The internal design of the
sprinkler wrench is shaped to fit
over the sprinkler and protective
cap to ensure that the top of the
wrench will be oriented in the
same direction as the top of the
sprinkler deflector.
Form No. F_121609
Rev 01
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
(Also refer to the Approval Chart on page 3.)
All custom painted cover plates will have an identifying label affixed to
the inside of the cover that indicates the custom color and will have a
representative sample (a paint dot) of the paint on the label.
Figure 1: Identification of Custom Paint for Concealed Covers
Sprinkler
wrench
Figure 2: Sprinkler VK480 Installation and Correct Use of Wrench
September 7, 2022
DESIGN CRITERIA
VK480
Sprinkler body
FREEDOM
RESIDENTIAL
®
CONCEALED HORIZONTAL
SIDEWALL SPRINKLER VK480
(K4.0)
Orient the sprinkler and
wrench as shown then
slide the wrench over
the sprinkler body and
the protective cap.
Page 5 of 9
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