MICROFAST
®
QUICK
RESPONSE UPRIGHT
SPRINKLER VK345 (K5.6)
TECHNICAL DATA
Page 4 of 4
Form No. F_033114 19.11.15 Rev 19.3
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
DESIGN CRITERIA - FM
(Also refer to Approval Chart 2 above.)
FM Approval Requirements:
The Microfast
®
Quick Response Upright Sprinkler VK345 is FM Approved as a quick response
Non-Storage
upright sprinkler 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.
Approval Chart 2 (FM)
Microfast
®
Quick Response
Upright Sprinkler VK345
Maximum 175 PSI
(12 bar) WWP
Base Part
Number
1
SIN
Thread Size
Nominal K-factor
Overall Length
FM Approvals
3
(Refer also to Design Criteria below.)
NPT
BSPT
U.S.
metric
2
Inches
mm
12984
VK345
--
15 mm
5.6
80.6
2-3/16
56
A1, B2
21353
6
VK345
--
15 mm
5.6
80.6
2-3/16
56
B3
NOTICE - Product Below - Limited Availability (Contact Local Viking Office)
07060
VK345
--
15 mm
5.6
80.6
2-3/16
56
A1
Approved Temperature Ratings
A - 135 °F (57 °C), 155 °F (68 °C), 175 °F (79 °C), 200 °F (93 °C), and 286 °F (141°C)
B - 155 °F (68 °C), 175 °F (79 °C), 200 °F (93 °C), and 286 °F (141°C)
Approved Finishes
1 - Brass, Chrome, White Polyester
4
, and Black
Polyester
4
2 - ENT
5
3 - Chrome
Footnotes
1
Base part number is shown. For complete part number, refer to Viking’s current price schedule.
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 table shows the FM Approvals available at the time of printing. Check with the manufacturer for any additional approvals.
4
Other colors are available on request with the same Approvals as the standard colors.
5
FM Approved as corrosion resistant.
6
Approved according to China GB Standard.
Replaces Form No. F_033114 Rev 19.2
(Revised China Approval; removed 19783.)