TECHNICAL DATA
ESFR UPRIGHT SPRINKLER
SIN VK520 (K14.0)
Page 5 of 5
Form No. F_060298 19.11.15 Rev 19.2
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: [email protected]
Visit the Viking website for the latest edition of this technical data page: www.vikinggroupinc.com
TABLE 2
COMMODITY SELECTION AND DESIGN CRITERIA OVERVIEW FOR MODEL VK520 ESFR PENDENT SPRINKLERS
Storage Type
FM
Sprinkler Type
Storage
Response Type
QR
System Type
Wet Pipe system only
Temperature Rating(s) ºF (ºC)
165 ºF (74 ºC) and 205 (96 ºC)
Open Frame Single, Double, Multiple-Row, or Portable Rack Storage of Class I-IV
and Group A or B Plastics
Refer to FM 2-0 and 8-9.
Solid Pile or Palletized Storage of Class I-IV and Group A or B Plastics
Refer to FM 2-0 and 8-9.
Idle Pallet Storage
Refer to FM 2-0, 8-9, and 8-24.
Rubber Tire Storage
Refer to FM 2-0 and 8-3.
Rolled Paper Storage (Refer to the standard.)
Refer to FM 8-21.
Flammable Liquid Storage (Refer to the standard.)
Refer to FM 7-29
Aerosol Storage (Refer to the standard.)
Refer to FM 7-31
Automotive Components in Portable Racks (Control mode only, refer to the standard.)
N/A
IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Viking ESFR Pendent Sprinklers
are to be installed in accordance with the latest edition of Viking technical data, the latest standards of FM Global, VdS, LPCB,
and any other Authorities Having Jurisdiction, and also with provisions of governmental codes, ordinances, and standards
whenever applicable.
Approval Chart
ESFR Upright Sprinkler VK520
Maximum 175 PSI (12 bar) WWP
Base Part
Number
1
SIN
NPT Thread Size
Nominal
K-Factor
Overall Length
Inches
mm
U.S.
metric
2
Inches
mm
FM
NYC
5
VdS
LPCB
China Approval
10625
VK520
3/4”
20
14.0
202
3-3/8
86
A1, B1
A1
--
--
--
21361
6
VK520
--
20
14.0
202
3-3/8
86
A1
--
--
--
A1
Approved Temperature Ratings
A - 165 °F (74 °C) B - 205 °F (96 °C)
Approved Finish
1 - Brass
Footnotes
1
Base part number shown. For complete part number, refer to the price list.
2
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
10.0.
3
This chart shows listings and approvals available at the time of printing. Other approvals may be in process.
4
FM Approved as a quick response upright
Non-Storage
sprinkler and also FM Approved as a quick response upright
Storage
sprinkler. Refer to
Design Criteria.
5
Accepted for use, City of New York Department of Buildings, MEA 89-92-E, Vol. 18.
6
Approved according to China GB Standard.
Replaces Form No. F_060298 Rev 19.1
(Revised China approval; removed 19786)
