ESFR PENDENT
SPRINKLER VK506 (K22.4)
TECHNICAL DATA
Form No. F_081612 18.10.11 Rev 18.2
Page 4 of 5
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 VK506
Maximum 175 PSI (12 bar) WWP
Base Part
Number
1
SIN
Thread Size
Nominal
K-Factor
Overall Length
Listings and Approvals
3,4
(Refer also to Design Criteria on page 4.)
U.S.
metric
2
Inches
mm
cULus
5
18493
VK506
1” NPT
22.4
320
3-3/16
81
A1
18494
VK506 25 mm BSPT 22.4
320
3-3/16
81
A1
Approved Temperature Ratings
A - 165 °F (74 °C) and 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.
5
Listed by Underwriters Laboratories Inc. for use in the U.S. and Canada as a Specific Application ESFR Sprinkler (refer to the deflector position re-
quirements on page 4).
Approval Chart 2 (FM)
ESFR Pendent Sprinkler VK506
Maximum 175 PSI (12 bar) WWP
Base Part
Number
1
SIN
Thread Size
Nominal K-Factor
Overall Length
FM Approvals
3,4
(Refer also to Design Criteria below.)
U.S.
metric
2
Inches
mm
18493
VK506
1” NPT
22.4
320
3-3/16
81
A1
18494
VK506
25 mm BSPT
22.4
320
3-3/16
81
A1
Approved Temperature Ratings
A - 165 °F (74 °C) and 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 the FM Approvals available at the time of printing. Other approvals may be in process.
4
FM Approved as a quick response pendent
Non-Storage
sprinkler and also FM Approved as a quick response pendent
Storage
sprinkler. Refer to
Design Criteria below.
