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
1. DESCRIPTION
Viking Freedom
Residential Upright Sprinkler VK467 is a small, thermosensitive, glass-
®
bulb residential sprinkler available in several different finishes and temperature ratings to
meet varying design requirements. The
investigated for installation in corrosive atmospheres and is C-UL-US-EU Listed as corro-
sion resistant as indicated in the Approval Chart. The orifice design, with a K-Factor of 4.9
(70.6 metric
), allows efficient use of available water supplies for the hydraulically designed
†
fire-protection system. The glass bulb operating element and special deflector characteris-
tics meet the challenges of residential sprinkler standards.
2. LISTINGS AND APPROVALS
UL Listed (C-UL-US-EU): Category VKKW
NYC Approved: MEA 89-92-E, Volume 35
Refer to the Approval Chart Design Criteria for C-UL-US-EU Listing requirements that must
be followed.
3. TECHNICAL DATA
Specifications:
Available since 2014.
Minimum Operating Pressure: Refer to the Approval Chart.
Maximum Working Pressure: 175 psi (12 bar). Factory tested hydrostatically to 500 psi (34.5 bar).
Thread size: 1/2" (15 mm) NPT
Nominal K-Factor: 4.9 U.S. (70.6 metric
†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: 2-1/4" (58 mm)
Material Standards:
Frame Casting: Brass UNS-C84400 or QM Brass
Deflector: Brass UNS-C23000 or Bronze UNS-C22000
Bulb: Glass, nominal 3 mm diameter
Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with Polytetrafluoroethylene (PTFE) Tape
Pip Cap and Insert Assembly: Copper UNS-C11000 and Stainless Steel UNS-S30400
Compression Screw: Brass UNS-C36000
For ENT coated sprinklers: Belleville spring - Exposed, Screw and Pipcap - ENT plated.
Ordering Information: (Also refer to the current Viking price list.)
Sprinkler: Base Part No. 19154
Order Sprinkler VK467 by first adding the appropriate suffix for the sprinkler finish and then the appropriate suffix for the tempera-
ture rating to the sprinkler base part number.
Finish Suffix: Brass = A, Chrome = F, White Polyester = M-/W, Black Polyester = M-/B, and ENT = JN
Temperature Suffix: 155 °F (68 °C) = B, 175 °F (79 °C) = D
For example, sprinkler VK467 with a Brass finish and a 155 °F (68 °C) temperature rating = Part No. 19154AB.
Available Finishes And Temperature Ratings:
Refer to Table 1.
Accessories: (Also refer to Viking website.)
Sprinkler Wrenches:
A. Standard Wrench: Part No. 21475M/B (available since 2017)
Sprinkler Cabinets:
A. Six-head capacity: Part No. 01724A (available since 1971)
B. Twelve-head capacity: Part No. 01725A (available since 1971)
Form No. F_090413
Rev 01
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Electroless Nickel PTFE (ENT)
)
†
November 2022
FREEDOM
UPRIGHT SPRINKLER
VK467 (K4.9)
coating has been
Replaces Form No. F_090413 Rev 17.1.P65
Page 1 of 6
RESIDENTIAL
®
(Updated Approvals.)