STANDARD RESPONSE
FUSIBLE LINK UPRIGHT
SPRINKLER VK108 (K5.6)
TECHNICAL DATA
Page 4 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
Approval Chart 1 (UL)
Standard Response Upright Sprinkler VK108
Maximum 175 PSI (12 bar) WWP
Sprinkler
Base Part
Number
1
SIN
Thread Size
Nominal K-factor Overall Length
Listings and Approvals
3
(Refer also to UL Design Criteria.)
NPT
BSPT
U.S.
metric
2
Inches
mm
cULus
4
VdS
LPCB
Standard Orifice
12973
VK108 1/2”
15 mm
5.6
80.6
2-1/4”
58
A2, B1, A3
--
--
--
NOTICE - Product Below - Limited Availability (Contact Local Viking Office)
05557
VK108 1/2”
15 mm
5.6
80.6
2-3/16”
56
A2, B1
--
--
--
Approved Temperature Ratings
A - 165 °F (74 °C), 220 °F (104 °C), and 286 °F
(141 °C)
B - 165 °F (74 °C) and 220 °F (104 °C)
Approved Finishes
1 - Wax-Coated Brass
5
2 - Brass, Chrome, White Polyester
5,6
, and Black Polyester
5,6
3 - ENT
5
Footnotes
1
Base part number is shown. For complete part number, refer to Viking’s current price schedule.
2
Metric K-factor shown is for use when pressure is measured in bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.
3
This table shows the listings and approvals available at the time of printing. Check 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 VK108 is cULus Listed as indicated in Approval Chart 1 for installation in accordance
with the latest edition of NFPA 13 for standard spray sprinklers.
Designed for use in Light, Ordinary, and Extra Hazard occupancies.
Protection areas and maximum spacing shall be in accordance with the tables provided in NFPA 13.
Minimum spacing allowed is 6 ft. (1.8 m) unless baffles are installed in accordance with NFPA 13.
Minimum distance from walls is 4 in. (102 mm).
Maximum distance from walls shall be no more than one-half of the allowable distance between sprinklers. The distance shall be measured
perpendicular to the wall.
The sprinkler installation and obstruction rules contained in NFPA 13 for standard spray upright sprinklers must be followed.
IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Also refer to page F_080614 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, LPCB, APSAD, VdS or other similar organizations, and
also with the provisions of governmental codes, ordinances, and standards, whenever applicable.
