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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 VK4670, 4.9 K-Factor Residential Upright 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
Sprinkler Base
SIN
Part Number
1
19442
VK4670
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
14
(3.7 X 3.7)
(53.0)
14 X 14
14
(4.3 X 4.3)
(53.0)
16 X 16
16
(4.9 X 4.9)
(60.6)
12 X 12
15
(3.7 X 3.7)
(56.8)
14 X 14
15
(4.3 X 4.3)
(56.8)
16 X 16
18
(4.9 X 4.9)
(68.1)
12 X 12
15
(3.7 X 3.7)
(56.8)
14 X 14
15
(4.3 X 4.3)
(56.8)
16 X 16
18
(4.9 X 4.9)
(68.1)
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
3
any 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
Meets New York City requirements, effective July 1, 2008.
6
Approved Finishes are: Brass, Chrome, White Polyester, and Black Polyester
7
UL Classified to: NSF/ANSI Standard 61, Drinking Water System Components and NSF 372 (MH48034).
8
Other paint colors are available on request with the same C-UL-US-EU listings as the standard finish colors.
9
Form No. F_061314
18.11.01
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
to the must current Edition of NFPA 13, 13R or 13D
NPT Thread Size
Inches
mm
1/2
15
Intermediate Temp
Rating (175 °F/79 °C)
Pressure
Flow
Pressure
4
4
PSI
GPM
(bar)
(L/min)
8.16
14
(0.56)
(53.0)
8.16
14
(0.56)
(53.0)
10.66
16
(0.73)
(60.6)
9.37
15
(0.65)
(56.8)
9.37
15
(0.65)
(56.8)
13.49
18
(0.93)
(68.1)
9.37
--
(0.65)
9.37
--
(0.65)
13.49
--
(0.93)
Rev 17.1.P65
TECHNICAL DATA
Approval Chart
Nominal K-Factor
U.S.
metric
2
4.9
70.6
Deflector
Installation
4
to Ceiling
PSI
(bar)
8.16
(0.56)
8.16
3 - 5 inches
(0.56)
10.66
(0.73)
9.37
(0.65)
9.37
5 - 10
inches
(0.65)
13.49
(0.93)
--
1 to 3 inch-
es below
--
14 inch
beams
--
Footnotes
9
FREEDOM
UPRIGHT LEAD FREE
SPRINKLER
VK4670 (K4.9)
Maximum Water
Working Pressure
175 psi (12 bar)
Listings and Approvals
Type
5
NYC
See
See
Foot-
Foot-
Upright
note 7.
note 6.
Page 3 of 6
RESIDENTIAL
®
Overall Length
Inches
mm
2-1/4
58
3
Minimum
Spacing
Ft.
NSF
8
(m)
See
9
Foot-
(2.74)
note 7.
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