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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 Sprinkler VK466 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.
For systems designed to NFPA 13: The number of design sprinklers is to be the four contiguous most hydraulically demanding sprinklers. The mini-
mum required discharge from each of the four sprinklers is to be the greater of the following:
The flow rates given in the Approval Chart for NFPA 13D and NFPA13R 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.
•
Minimum distance between residential sprinklers: 8 ft. (2.4 m).
•
IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Also refer to Form No. F_080190,
F_080814, and 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.
Sprinkler wrench 13655W/B**
for recessed pendent
sprinklers
Form No. F_091406
Rev 01
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
(Also refer to the Approval Chart.)
Figure 1: Sprinkler Wrenches
Figure 2: Installing Recessed Pendent Sprinklers
** A 1/2" ratchet is required (not available from Viking)
November 2022
DESIGN CRITERIA
A
FREEDOM
RESIDENTIAL
®
PENDENT SPRINKLER
VK466 (K5.2)
B
Carefully slide the
wrench sideways
around the protective
cap, ensuring
engagement with the
sprinkler wrench flats
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