QUICK RESPONSE
ORDINARY HAZARD DRY
HSW FUSIBLE LINK
SPRINKLERS (8.0K)
(VK2843, VK2883, & VK2923)
TECHNICAL DATA
Page 2 of 8
Form No. F_022717 18.11.01 Rev 18.1.P65
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.
Escutcheon Materials:
Adjustable Standard Dry Escutcheons: Brass UNS-C26000 or UNS-C26800
Recessed Dry Escutcheons: Cold Rolled Steel UNS-G10080
Ordering Information: (Also refer to the current Viking price list.)
Order Quick Response Ordinary Hazard Dry Horizontal Sidewall Sprinklers by first adding the appropriate suffix for the sprinkler
finish, the appropriate suffix for the temperature rating, and then the suffix for the length (“A” dimension) to sprinkler base part
number. Order in a specific length noted as the “A” dimension (see Figures 3, 5, and 6). The “A” dimension is the distance from
the face of the fitting (tee) to the desired finished surface of the wall in which it is to be installed.
These sprinklers are listed and approved in lengths from 1-1/2” to 45-1/2” (38 mm to 1,156 mm) for the Adjustable Standard style,
3” to 47” (76 mm to 1,194 mm) for the Plain Barrel style, and 3-1/4” to 47-1/2” (83 mm to 1,207 mm) for the Adjustable Recessed
style.
Lengths exceeding the standard lengths are available, with no approvals, on a “made-to-order” basis: Recessed Dry Horizontal
Sidewall up to 64-1/2 (1,632 mm). Adjustable Standard Dry Horizontal Sidewall up to 62” (1,575 mm). Plain Barrel Dry Horizontal
Sidewall up to 64” (1,626 mm). Contact the manufacturer for more information.
Finish Suffix: Brass = A, Chrome = F, and White Polyester = M-/W
Temperature Suffix: 165 °F (74 °C)= C, 205 °F (96 °C) = E, 280 °F (138 °C) = G
For example, sprinkler VK2923 with 1” NPT Threads, Chrome finish, 165 °F (74 °C) temperature rating, and “A” length of 10” =
Part No. 21485FB10.
Available Finishes And Temperature Ratings: Refer to Table 1.
Accessories:
(Also refer to the Viking website.)
Sprinkler Wrenches:
A. Standard Wrench: Part No. 07297W/B (available since 1991)
B. Wrench for recessed sprinklers: Part No. 07565W/B** (available since 1991)
**A ½” ratchet is required (not available from Viking).
Dry Sprinkler Protective Cover: Part No. 15610
Replacement Escutcheons:
A. Adjustable Standard Dry Escutcheon: Base Part No. 08086F
B. Model E-1 Recessed Dry Escutcheon Cup: Base Part No. 05459A
4. INSTALLATION
Refer to appropriate NFPA Installation Standards.
5. OPERATION
During fire conditions, the heat-sensitive fusible element assembly disengages, releasing the internal parts to open the waterway.
Water flowing through the sprinkler orifice strikes the sprinkler deflector, forming a uniform spray pattern to extinguish or control
the fire.
6. INSPECTIONS, TESTS AND MAINTENANCE
Refer to NFPA 25 for Inspection, Testing and Maintenance requirements.
7. AVAILABILITY
The Viking Quick Response Ordinary Hazard Dry Horizontal Sidewall Sprinkler is available through a network of domestic and
international distributors. See The Viking Corporation web site for the closest distributor or contact The Viking Corporation.
8. GUARANTEE
For details of warranty, refer to Viking’s current list price schedule or contact Viking directly.
Figure 1: Standard Sprinkler Wrench
07297W/B
