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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
19663
VK426
20110
VK426
22885
VK427
22908
VK427
19876
VK650
20111
VK650
22884
VK651
22907
VK651
Approved Temperature Rating Codes:
A = 165 °F (74 °C) and 205 °F (96 °C)
Base Part number is shown. For complete part number, refer to Viking's current price schedule.
1
This table shows the listings and approvals available at the time of printing. Check with the manufacturer for any additional approvals.
2
Other colors are available upon request with the same Listings and Approvals as the standard colors.
3
LISTED FLOW RATES AND COVERAGE AREAS (LIGHT HAZARD) FOR
Sprinkler
Base Part
SIN
Number
1
19876
VK650
20111
VK650
22884
VK651
22907
VK651
1
Based on the minimum flow in GPM (lpm) from each sprinkler.
2
Based on Nominal K-factor.
3
The sprinkler face protrudes downward from the ceiling 1/4" (5mm). See Figure 5.
Form No. F_032319
20.01.03
© 2020 Viking Group Inc. All rights reserved
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Viking Institutional Sprinklers
Thread Size
NPT
BSPT
Inch
mm
1/2
--
--
20
1/2
--
--
20
1/2
--
--
20
1/2
--
--
20
Viking EXTENDED COVERAGE Institutional Sprinklers
Thread Size
Coverage Area
NPT
BSPT
Ft x Ft.
Inch
mm
(m x m)
1/2
--
16 x 16 (4,9 x 4,9)
--
20
16 x 16 (4,9 x 4,9)
1/2
--
16 x 16 (4,9 x 4,9)
--
20
16 x 16 (4,9 x 4,9)
Rev 20.1
TECHNICAL DATA
APPROVAL CHART
Listings and Approvals
1 = Chrome, Painted White, and Painted Gray (RAL9006)
Footnotes
cULus Listed Flows and Pressures
Minimum
Flow
1
GPM (Lpm)
26 (96)
26 (96)
26 (96)
26 (96)
Footnotes
INSTITUTIONAL SPRINKLERS K5.6
2
cULus
A1
A1
A1
A1
A1
A1
A1
A1
Approved Finish Codes:
Minimum
Deflector to Ceiling
Pressure
Distance
2
PSI (bar)
Inches (mm)
21.6 (1,49)
Flush
3
21.6 (1,49)
Flush
3
21.6 (1,49)
4 to 12 (102 to 304)
21.6 (1,49)
4 to 12 (102 to 304)
Page 8 of 9
Minimum
Spacing
Ft. (m)
8 (2,4)
8 (2,4)
8 (2,4)
8 (2,4)
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