MICROFAST
®
QUICK RESPONSE
PENDENT SPRINKLER
VK3311 (K4.2)
TECHNICAL DATA
Page 4 of 5
Form No. F_061914 19.02.21 Rev 19.1
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.
Approval Chart 1
The Viking Microfast
®
Quick Response Pendent
Sprinkler VK3311
Maximum 175 PSI (12 Bar) WWP
Base
Part
Number
1
SIN
Sprinkler
Style
Thread Size
Nominal K-Factor Overall Length
Listings and Approvals
3
(Refer also to Design Criteria.)
NPT
BSP
U.S.
metric
2
Inches
mm
cULus
VdS
LPCB
06932B
VK3311
Pendent
--
10 mm
4.2
57
2-1/4
58
--
A1
--
B2
5
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 - 155 °F (68 °C)
Approved Finishes
1 - Brass, Chrome, White Polyester
4
, and Black Polyester
4
2 - Brass and Chrome
Footnotes
1
Base part number 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. Other approvals may be in process.
4
Other colors are available on request with the same Listings and Approvals as the standard colors.
5
Certified, Standard EN 12259-1, EC-certificate of conformity 0786-CPD-40130 and 0786-CPD-40170
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, LPCB, APSAD, VdS or other similar organizations, and
also with the provisions of governmental codes, ordinances, and standards, whenever applicable.
