Viking VK506 Technical Data Manual page 4

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Base Part
SIN Thread Size
Number
1
18493 VK506 1" NPT
18494 VK506 25 mm BSPT
Approved Temperature Ratings
A - 165 °F (74 °C) and 205 °F (96 °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 10.0.
2
This chart shows listings and approvals available at the time of printing. Other approvals may be in process.
3
Refer to the latest standards of NFPA 13.
4
Listed by Underwriters Laboratories Inc. for use in the U.S. and Canada as a Specific Application ESFR Sprinkler (refer to the UL Design Criteria).
5
Base Part
SIN
Number
1
18493 VK506
18494 VK506
Approved Temperature Ratings
A - 165 °F (74 °C) and 205 °F (96 °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 10.0.
2
This chart shows the FM Approvals available at the time of printing. Other approvals may be in process.
3
FM Approved as a quick response pendent Storage sprinkler. Refer to design criteria below.
4
Form No. F_081612 Rev 01 February 2023
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Approval Chart 1 (UL)
ESFR Pendent Sprinkler VK506
Maximum 175 PSI (12 bar) WWP
Nominal
K-Factor
U.S. metric
2
22.4 320
22.4 320
Approval Chart 2 (FM)
ESFR Pendent Sprinkler VK506
Maximum 175 PSI (12 bar) WWP
Nominal K-Factor
Thread Size
U.S.
1" NPT 22.4
25 mm BSPT 22.4
Overall Length
Inches mm
3-3/16 81
3-3/16 81
Footnotes
Overall Length
metric Inches
2
320 3-3/16
320 3-3/16
Footnotes
ESFR PENDENT
SPRINKLER VK506 (K22.4)
Listings and Approvals
(Refer also to Design Criteria.)
cULus
5
A1
A1
Approved Finish
1 - Brass
FM Approvals
mm
(Refer also to Design Criteria below.)
81
81
Approved Finish
1 - Brass
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3,4
3,4
A1
A1