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STANDARD/QUICK
TECHNICAL DATA RESPONSE
EXTENDED COVERAGE
PENDENT SPRINKLER VK602
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: techsvcs@vikingcorp.com
1. DESCRIPTION
Viking EC/QREC Pendent Sprinkler VK602 is a small thermosensitive spray
sprinkler available in several different finishes and temperature ratings to meet
varying design requirements.This sprinkler has both standard response and quick
response listings. The glass bulb operating element and special deflector char-
acteristics meet the challenges of quick response extended coverage standards. �I •ik. Ii
The special Polyester coating can be used in decorative applications where colors ttr
are desired.
2. LISTINGS AND APPROVALS Ri� � ". i, I ' („
c u� os cULus Listed: Category VNIV ,4. 1
,
FM Approved: Class 2020MAY I `��_'
Refer to Approval Chart 1 and Design Criteria for cULusListirn
requirements, and refer to Approval Chart 2 and Desi gS i 4 < zi For Light Hazard Occupancies Only
for FM Approval requirements that must be followed. BUILDING DIV.*+I!)j
3. TECHNICAL DATA
Specifications:
Available since 2013.
Minimum Operating Pressure: Refer to the Approval Charts.
Maximum Working Pressure: 175 psi(12 Bar). Factory tested hydrostatically to 500 psi (34.5 bar).
Factory tested hydrostatically to 500 psi (34.5 bar).
Thread sizes: 3/4"(20 mm) NPT
Nominal K-Factors: 8.0 U.S. (115.2 metrict)
t Metric K-factor measurement shown is in Bar.When pressure is measured in kPa,divide the metric K-factor shown by 10.0.
Glass-bulb fluid temperature rated to-65°F(-55 °C)
Overall Length: 2-3/8" (60 mm)
Material Standards:
Sprinkler Frame: Brass UNS-C84400 or QM Brass
Deflector: Brass UNS-C26000
Bulb: Glass, nominal 3 mm diameter
Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with
Teflon Tape Viking Technical Data may be found on
The Viking Corporation's Web site at
Screw: Brass UNS-C36000
Pip Cap and Insert Assembly: Copper UNS-C11000 and Stainless Steel Web http://www.vikinggroupinc.com.may include a nc.re recent
Web site may include a more recent
UNS-S30400 edition of this Technical Data Page.
For Polyester Coated Sprinklers: Belleville Spring-Exposed
Ordering Information: (Also refer to the current Viking price list.)
Order EC/QREC Pendent Sprinkler VK602 by first adding the appropriate suffix for the sprinkler finish and then the appropriate
suffix for the temperature rating to the sprinkler base part number.
Finish Suffix: Brass=A, Chrome= F,White Polyester= M-/W, and Black Polyester M-/B
Temperature Suffix: 135°F(57°C)=A, 155°F(68°C)= B, 175°F(79°C)= D
For example, sprinkler VK602 with a Brass finish and a 155°F(68°C)temperature rating = Part No. 18262BAB
Available Finishes And Temperature Ratings:
Refer to Table 1.
Accessories: (Also refer to the"Sprinkler Accessories"section of the Viking data book.)
Sprinkler Wrenches:
A. Standard Wrench: Part No. 10896W/B (available since 2000)
B. Wrench for recessed pendent sprinklers: Part No. 13577W/B**
(available since 2006)
"A''A"ratchet is required(not available from Viking).
Form No. F_102412 Rev 14.1 (Added 07077)