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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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Viking VK468, 4.9 K-Factor Residential Pendent 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
13637
VK468
Ordinary Temp
Max. Coverage
Rating (155 °F/68 °C)
Area
4
Flow
4
Ft.X Ft.
GPM
(m X m)
(L/min)
12 X 12
13
(3.7 X 3.7)
(49.2)
14 X 14
13
(4.3 X 4.3)
(49.2)
16 X 16
13
(4.9 X 4.9)
(49.2)
18 X 18
17
(5.5 X 5.5)
(64.4)
20 X 20
20
(6.1 X 6.1)
(75.7)
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.
This chart shows the listings and approvals available at the time of printing. Other approvals may be in process. Check with the manufacturer for any
3
additional approvals. Refer also to Design Criteria.
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.
4
The distance from sprinklers to walls shall not exceed one-half the sprinkler spacing indicated for the minimum "Flow" and "Pressure" used.
Listed by Underwriter's Laboratories, Inc. for use in the U.S., Canada, and European Union.
5
Accepted for use, City of New York Department of Buildings, MEA Number 89-92-E, Vol. 35.
6
Approved Finishes are: Brass, Chrome, White Polyester, and Black Polyester
7
UL Classified to: NSF/ANSI Standard 61, Drinking Water System Components (MH48034).
8
Other paint colors are available on request with the same C-UL-US-EU listings as the standard finish colors.
9
Approved finish is Electroless Nickel PTFE (ENT). Sprinklers with ENT, White Polyester, and Black Polyester finishes are C-UL-US-EU Listed as cor-
10
rosion resistant. ENT is available with standard surface-mounted escutcheons or the Micromatic Model E-1 Recessed Escutcheon.
Form No. F_012706
Rev 01
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Approval Chart
current editions of NFPA 13, 13R or 13D
NPT Thread Size
Nominal K-Factor
Inches
mm
1/2
15
Intermediate Temp
Rating (175 °F/79 °C)
Pressure
Flow
Pressure
4
4
PSI
GPM
(bar)
(L/min)
7.0
13
(0.48)
(49.2)
7.0
13
(0.48)
(49.2)
7.0
13
(0.48)
(49.2)
12.0
17
(0.83)
(64.4)
16.7
20
(1.15)
(75.7)
November 2022
U.S.
metric
2
4.9
70.6
Deflector
Installation
to
4
Type
Ceiling
PSI
(bar)
7.0
(0.48)
Standard
7.0
surface-mounted
(0.48)
escutcheons, or
recessed with
7.0
1-1/8 to
the Micromatic®
(0.48)
2 inch
Model E-1,
E-2, or
12.0
E-3 Recessed
(0.83)
Escutcheon
16.7
(1.15)
Footnotes
9
FREEDOM
®
PENDENT SPRINKLER
VK468 (K4.9)
Maximum Water
Working Pressure
175 psi (12 bar)
Listings and Approvals
C-UL-
US-
NYC
VdS
EU
5
See
See
Foot-
Foot-
notes
notes
7 and
7 and
10.
10.
Page 3 of 5
RESIDENTIAL
Overall Length
Inches
mm
2-1/4
58
3
Minimum
Spacing
Ft.
NSF
6
8
(m)
See
See
8
Foot-
Foot-
note
note
(2.4)
7.
7.
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