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Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
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NPT Thread
Sprinkler
Base Part
SIN
Number
1
Inch
21274JN
VK465
1/2"
8
21274A
VK465
1/2"
Sprinkler Temperature Ratings
A - 155 °F (68 °C)
B - 175 °F (79 °C) and 200 °F (93 °C)
Part number shown is the base part number. For complete part number, refer to current Viking price list schedule.
1.
Metric K-factor measurement is shown in Bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.
2.
This chart shows the listings and approvals available at the time of printing. Other approvals may be in process. Check with the manufacturer for any additional approvals.
3.
Listed by Underwriter's Laboratories for use in the U.S. and Canada.
4.
Meets New York City requirements, effective July 1, 2008.
5.
The 135 °F (57 °C) cover has an orange label. The 165 °F (74 °C) cover has a white label.
6.
Standard painted finishes consist of Polyester Baked Enamel. Other paint colors are available on request with the same listings as the standard paint colors. Listings and
7.
approvals apply for any paint manufacturer. Contact Viking for additional information.
cULus Listed as corrosion resistant.
8.
NOTE:
Custom colors are indicated on a label inside the cover assembly. Refer to Figure 1.
cULus Listing Requirements:
Mirage
Quick Response Concealed Pendent Sprinkler VK465 is cULus Listed as a quick response sprinkler for installation in accordance with the
®
latest edition of NFPA 13 for standard coverage pendent spray sprinklers as indicated below:
Limited to Light Hazard Occupancies where allowed by the installation standards being applied, with hydraulically calculated wet systems, or
•
hydraulically calculated dry pipe systems where piping is corrosion resistant or internally galvanized.
Maximum spacing allowed is 15 ft. (4.6 m).
•
Minimum spacing allowed is 6 ft. (1.8 m) unless baffles are installed in accordance with NFPA 13.
•
Minimum distance from walls is 4 in. (102 mm).
•
Maximum distance from walls shall be no more than one-half of the allowable distance between sprinklers. The distance shall be measured
•
perpendicular to the wall.
The sprinkler obstruction rules contained in NFPA 13 for standard coverage pendent spray sprinklers must be followed.
•
Venting is required.
•
Concealed sprinklers must NOT be installed in positive pressure plenums.
•
IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Also refer to Form No. F_080416
for general care, installation, and maintenance information. Viking sprinklers are to be installed in accordance with the lat-
est edition of Viking technical data, the appropriate standards of NFPA, FM Global, LPCB, Assemblee Pleniere, VdS or other
similar organizations, and also with the provisions of governmental codes, ordinances, and standards, whenever applicable.
Form No. F_032107
Rev 01
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Mirage
Quick Response Concealed Pendent Sprinkler VK465
®
For Light Hazard Occupancies Only; Maximum 175 PSI (12 bar) WWP
Nominal
Size
K-Factor
mm
U.S.
metric
2
15
4.2
57
15
4.2
57
Cover Plate Assembly Temp. Ratings
W - 135 °F (57 °C) cover, 23190
(large diameter), or 23179
X - 165 °F (74 °C) cover 23190
(large diameter)
(Also refer to the Approval Chart )
April 2023
TECHNICAL DATA
Approval Chart
Overall Length
(Sprinkler Body)
Inches
mm
cULus
2-3/16"
56
AW1, BX1
2-3/16"
56
AW1, BX1
, 23447
23174
1
1
, 23482
(square cover plate)
1
1
, 23447
, or 23174
1
1
Footnotes
DESIGN CRITERIA
MIRAGE
QUICK RESPONSE
®
CONCEALED PENDENT
SPRINKLER VK465 (K4.2)
Listings and Approvals
(Refer also to Design Criteria on page 64d.)
FM
NYC
4
--
See Footnote 5.
--
See Footnote 5.
Finishes of the Cover Plate Assembly
6
, 23463
1 - Polished Chrome, Brushed Chrome, Bright
1
1
Brass, Antique Brass, Brushed Brass,
, 23463
Brushed Copper, Painted White, Painted
1
1
Ivory, or Painted Black
Page 4 of 5
3
VdS
LPCB
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7
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