MICROFAST
®
QUICK
RESPONSE UPRIGHT
SPRINKLER VK3271 (K4.2)
TECHNICAL DATA
Page 3 of 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.
Form No. F_061614 18.11.05 Rev 17.2.P65
Approval Chart 1 (UL)
Microfast
®
Quick Response
Upright Sprinkler VK3271
Maximum 175 PSI (12 bar) WWP
Base Part
Number
1
SIN
Thread Size
Nominal K-Factor
Overall Length
Listings and Approvals
3
NPT
BSP
U.S.
metric
2
Inches
mm
cULus
VdS
LPCB
06931B
VK3271
--
10 mm
4.2
57
2-3/16
56
--
A1
--
A1
7
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)
Approved Finishes
1 - Brass, Chrome, White Polyester
5,6
, and Black Polyester
5,6
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 listings and approvals available at the time of printing. Check with the manufacturer for any additional approvals.
4
Listed by Underwriters Laboratories Inc. for us in the U.S. and Canada
5
Other colors are available on request with the same Listings and Approvals as the standard colors.
6
cULus Listed as corrosion resistant.
7
CE Certified, Standard EN 12259-1, EC-certificate of conformity 0786-CPD-40131
IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Also refer to 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 organiza-
tions, and also with the provisions of governmental codes, ordinances, and standards, whenever applicable.
Replaces Form No. F_061614 Rev 17.2
(Added P65 Warning.)