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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
Viking VK479, 3.0 K-Factor Residential Horizontal Sidewall Sprinkler
For systems designed to NFPA 13D or NFPA 13R. For systems designed to NFPA 13, refer to the design criteria. For Ceiling types refer to
Sprinkler Base
SIN
Part Number
1
19707
VK479
Max. Coverage
Max.
Spac-
Area
3
ing
Width X Length
Ft.
Ft. X Ft.
(m)
(m X m)
12 X 12 (3.7 X 3.7)
12 (3.7)
14 X 14 (4.3 X 4.3)
14 (4.3)
16 X 16 (4.9 X 4.9)
16 (4.9)
Part number shown is the base part number. For complete part number, refer to Viking's current price schedule.
1
Metric K-factor measurement shown is when pressure is measured in Bar. When pressure is measured in kPa, divide the metric K-factor shown by
2
10.0.
For areas of coverage smaller than shown, use the "Flow" and "Pressure" for the next larger area listed. Flows and pressures listed are per sprinkler.
3
The distance from sprinklers to walls shall not exceed one-half the sprinkler spacing indicated for the minimum "Flow" and "Pressure" used.
This chart shows the listings and approvals available at the time of printing. Other approvals may be in process. Check with the manufacturer for
4
any additional approvals. Refer also to Design Criteria.
Listed by Underwriter's Laboratories, Inc. for use in the U.S., Canada, and European Union.
5
Approved Finishes are: Brass, Chrome, White Polyester, and Black Polyester
6
Meets New York City requirements, effective July 1, 2008.
7
Other paint colors are available on request with the same C-UL-US-EU listings as the standard finish colors.
8
Approved finish is Electroless Nickel PTFE (ENT). Sprinklers with ENT, White Polyester, and Black Polyester finishes are C-UL-US-EU Listed as
9
corrosion resistant. ENT is available with standard surface-mounted escutcheons or the Model E-1 Recessed Escutcheon.
Form No. F_012915
Rev 01
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
current Editions of NFPA 13, 13R or 13D
NPT Thread Size
Maximum Water Working
Inches
mm
1/2
15
Ordinary Temp Rating
Top of
(155 °F/68 °C)
Deflec-
Flow
3
Pressure
3
tor to
GPM
PSI
Ceiling
(L/min)
(bar)
11 (41.7)
13.4 (0.92)
4 to 12
13 (49.3)
18.8 (1.30)
inches
13 (49.3)
18.8 (1.30)
November 2022
Approval Chart
Pressure
175 psi (12 bar)
Installation Type
Standard surface-
mounted escutch-
eons or recessed
with the Model E-1,
E-2, E-3, or G-1 Re-
cessed Escutcheon
Footnotes
8
FREEDOM
HORIZONTAL SIDEWALL
SPRINKLER VK479 (K3.0)
Overall Length
Inches
2-7/16
Listings and Approvals
C-UL-
VdS
NYC
US-EU
5
See Foot-
note 6
--
--
and 9.
Page 3 of 6
RESIDENTIAL
®
mm
62
4
Minimum
Spacing
Ft.
7
NSF
(m)
8
--
(2.4)
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