ESFR PENDENT SPRINKLER
VK500 (K14.0)
TECHNICAL DATA
Page 3 of 6
Form No. F_060198 18.06.21 Rev 18.1
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
Approval Chart 1 (UL)
ESFR Pendent Sprinkler VK500
Maximum 175 PSI (12 bar) WWP
Base Part
Number
1
SIN
NPT Thread
Size
Nominal
K-Factor
Overall Length
Listings and Approvals
3,4
(Refer also to Design Criteria below.)
Inches
mm
U.S.
metric
2
Inches
mm
cULus
5
NYC
6
VdS
LPCB
7
10284
VK500 3/4”
20 mm
14.0
--
2-7/8
73
A1, B1
A1
--
--
A1, B1
--
11350
VK500 3/4”
20 mm
--
202
2-7/8
73
--
A1
A1
--
A1, B1
--
19855
VK500 3/4”
20 mm
--
202
2-7/8
73
--
--
--
--
--
A1
21360
VK500
--
20 mm
--
202
2-7/8
73
--
--
--
--
--
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
Refer to the latest standards of NFPA 13 and the latest VdS standards.
5
Listed by Underwriters Laboratories Inc. for use in the U.S. and Canada.
6
Accepted for use, City of New York Department of Buildings, MEA 89-92-E, Vol. 18.
7
Certified, Standard CUAP11.03/03, EC-certificate of conformity 1725-CPD-H0005, ETA-10/0306.
DESIGN CRITERIA (UL)
(Also refer to Approval Chart 1 above.)
cULus Listing Requirements:
ESFR Pendent Sprinkler 10284 is cULus Listed as indicated in Approval Chart 1 for installation in accordance with the latest appropriate NFPA stan-
dards (including NFPA 13) for ESFR Pendent K14.0 (202 bar) Sprinklers.
Maximum Roof or Ceiling Slope:
2 in 12 (167 mm/m or 9.5 degrees).
Sprinkler Position:
Approved for use only in the pendent position. Align the deflector parallel with the ceiling or roof.
System Type:
Wet systems only.
Deflector Distance from Walls:
At least 4” (102 mm) from walls, and no more than one-half the allowable distance permitted between sprinklers.
Clearance from Deflector to Top of Storage:
At least 36” (914 mm).
Maximum Distance Between Sprinklers:
The maximum area of coverage allowed per sprinkler is 100 ft
2
(9.3 m
2
)**.
•
For buildings over 30 ft (9.1 m) high, spacing between sprinklers and/or branch lines must be from 8 to 10 ft (2.4 to 3.1 m)**.
•
For building heights up to 30 ft (9.1 m), the spacing allowed between sprinklers and/or branch lines is 8 to 12 ft (2.4 to 3.7 m), provided the area
covered per sprinkler does not exceed the maximum 100 ft
2
(9.3 m
2
) allowed**.
**Refer to the Installation Standards for permissible deviations from the maximum sprinkler spacing rules above, to eliminate obstructions created
by trusses and bar joists when using ESFR sprinklers.
Minimum Area of Coverage:
The minimum area of coverage allowed per sprinkler is 64 ft
2
(5.8 m
2
).
Note:
If the ceiling is beam and girder or panel construction, locate sprinklers in the bays rather than under the beams.
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 VdS, NFPA, and any
other Authorities Having Jurisdiction, and also with provisions of governmental codes, ordinances, and standards whenever
applicable.
