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Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
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Sprinkler Base
SIN
Part Number
1
12973
VK108
05557
VK108
Approved Temperature Ratings
A - 165 °F (74 °C), 220 °F (104 °C), and 286 °F (141 °C)
Base part number is shown. For complete part number, refer to Viking's current price schedule.
1
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.
2
This table shows the listings and approvals available at the time of printing. Check with the manufacturer for any additional approvals.
3
Other colors are available on request with the same Approvals as the standard colors.
4
FM Approval Requirements:
Sprinkler VK108 is FM Approved as a standard response Non-Storage upright sprinkler as indicated in the FM Approval Guide. For specific application
and installation requirements, reference the latest applicable FM Loss Prevention Data Sheets (including Data Sheet 2-0). FM Global Loss Prevention
Data Sheets contain guidelines relating to, but not limited to: minimum water supply requirements, hydraulic design, ceiling slope and obstructions,
minimum and maximum allowable spacing, and deflector distance below the ceiling.
NOTE: The FM installation guidelines may differ from cULus and/or NFPA criteria.
IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Also refer to Form No. 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, FM Global, LPCB, APSAD, VdS or other similar organiza-
tions, and also with the provisions of governmental codes, ordinances, and standards, whenever applicable.
Form No. F_052214
21.09.29
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Approval Chart 2 (FM)
Standard Response Upright Sprinkler VK108
Maximum 175 PSI (12 bar) WWP
Thread Size
Nominal K-factor
NPT
BSPT
U.S.
1/2"
15 mm
5.6
NOTICE - Product Below - Limited Availability (Contact Local Viking Office)
1/2"
15 mm
5.6
1 - Brass, White Polyester
DESIGN CRITERIA - FM
(Also refer to Approval Chart 2.)
Rev 21.1
Overall Length
metric
Inches
2
Standard Orifice
80.6
2-1/4"
80.6
2-1/4"
Approved Finishes
, Black Polyester
4
Footnotes
STANDARD RESPONSE
FUSIBLE LINK UPRIGHT
SPRINKLER VK108 (K5.6)
FM Approvals
(Refer also to Design Criteria below.)
mm
58
A1
58
A1
, and ENT
4
Replaces Form No. F_052214 Rev 19.2
(Removed Cap render in Figure 1.)
Page 5 of 5
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