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April 1, 2011
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
NPT Thread Size
Base Part
SIN
Number
1
Inches
10625
VK520
3/4"
Approved Temperature ratings
A - 165 °F (74 °C)
Base part number shown. For complete part number, refer to the price list.
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 listings and approvals available at the time of printing. Other approvals may be in process.
3
FM Approved as a quick response upright Non-Storage sprinkler and also FM Approved as a quick response upright Storage sprinkler. Refer to
4
Design Criteria on page 121d.
Accepted for use, City of New York Department of Buildings, MEA 89-92-E, Vol. 18.
5
Figure 1:
ESFr upright Sprinkler Wrench 05118CW/B
TECHNICAL DATA
Approval Chart
ESFr upright Sprinkler Vk520
Maximum 175 PSI (12 bar) WWP
Nominal
k-Factor
mm
u.S.
metric
2
20 mm
14.0
202
B - 205 °F (96 °C)
Overall Length
Inches
mm
cuLus
3-3/8
86
--
Footnotes
Figure 2:
ESFr upright Sprinkler Vk520 Dimensions
ESFr uPrIgHT SPrINkLEr
SIN Vk520 (k14.0)
Listings and Approvals
(refer also to Design Criteria on page 121d.)
FM
NYC
VdS
LPCB
5
A1, B1
A1
--
Approved Finish
1 - Brass
Sprinkler 121c
3,4
--
A1, B1
--
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