Advertisement
Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
Visit the Viking website for the latest edition of this technical data page: www.vikinggroupinc.com
Base Part
SIN
Number
1
18258
VK352
18260
VK352
6
21364
VK352
7
06666B
VK352
06765
VK352
6
Approved Temperature Ratings
A - 135 °F (57 °C), 155 °F (68 °C), 175 °F (79 °C), 200
°F (93 °C), 286 °F (141 °C)
B - 135 °F (57 °C), 155 °F (68 °C), 175 °F (79 °C),
and 200 °F (93 °C)
C - 155 °F (68 °C), 175 °F (79 °C), 200 °F (93 °C),
286 °F (141 °C)
D - 155 °F (68 °C), 175 °F (79 °C), 200 °F (93 °C)
E - 155 °F (68 °C), 200 °F (93 °C), and 286 °F
(141 °C)
Base part number shown. For complete part number, refer to Viking's current price schedule.
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
2
10.0.
This table shows the FM Approvals available at the time of printing. Other approvals may be in process.
3
Other colors are available on request with the same Approvals as the standard colors.
4
FM approved as corrosion resistant.
5
The 1/2" NPT Large Orifice Sprinkler is listed and approved for retrofit only when installed in accordance with NFPA 13.
6
Approved according to China GB Standard.
7
FM Approval Requirements:
The Viking Microfast
Quick Response Pendent Sprinkler VK352 is FM Approved as quick response Non-storage upright and pendent
®
sprinklers as indicated in the FM Approval Guide. For specific application and installation requirements, reference the latest applicable
FM Loss Prevention Data Sheets (including Data Sheet 2-0). FM Global Loss Prevention Data Sheets contain guidelines relating to, but
not limited to: minimum water supply requirements, hydraulic design, ceiling slope and obstructions, minimum and maximum allowable
spacing, and deflector distance below the ceiling.
NOTE: The FM installation guidelines may differ from cULus and/or NFPA criteria.
IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Also refer to Bulletin Form No.
F_080614 for general care, installation, and maintenance information. Viking sprinklers are to be installed in accordance with
the latest edition of Viking technical data, the appropriate standards of NFPA, FM Global, LPCB, APSAD, VdS or other similar
organizations, and also with the provisions of governmental codes, ordinances, and standards, whenever applicable.
Form No. F_033414
Rev 02
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Approval Chart 2 (FM)
The Viking Microfast
Maximum 175 PSI (12 Bar) WWP
Thread Size
Sprinkler
Style
NPT
BSPT
Pendent
3/4"
Pendent
1/2"
Pendent
--
20 mm
NOTICE - Product Below - Limited Availability (Contact Local Viking Office)
Pendent
3/4"
Pendent
1/2"
1 - Brass, Chrome, White Polyester
2 - ENT
3 - Chrome
(Also refer to Approval Chart 2 above.)
April 2023
TECHNICAL DATA
Quick Response
®
Pendent Sprinkler VK352
Nominal K-Factor
U.S.
metric
2
--
8.0
115.2
--
8.0
115.2
8.0
115.2
--
8.0
115.2
--
8.0
115.2
Approved Finishes
Polyester
4
5
Footnotes
DESIGN CRITERIA - FM
MICROFAST
RESPONSE PENDENT
SPRINKLER VK352 (K8.0)
Overall Length
(Refer also to Design Criteria.)
Inches
mm
2-1/4
58
2-1/4
58
2-1/4
58
2-1/4
58
2-1/4
58
Approved Escutcheons
, and Black
X - Standard surface-mounted escutcheon or the
4
Viking Micromatic
Escutcheon
Y - Standard surface-mounted escutcheon
or recessed with the Viking Micromatic
Model E-1 or E-2 Recessed Escutcheon
Z - Standard surface-mounted escutcheon
Page 5 of 6
QUICK
®
FM Approvals
3
A1Z, B1Y, D2X, C2
A1Z, B1Y, D2X, C2
E3
A1Z, B1Y, D2X, C2
A1Z, B1Y, D2X, C2
Model E-1 Recessed
®
®
Advertisement
