ESCUTCHEON MATERIALS
1. Adjustable Standard Dry Escutcheon:
Brass UNS-C26000 or UNS-C26800
2. Recessed Dry Escutcheon: Cold
Rolled Steel UNS-G10080
AVAILABLE FINISHES
•
Recessed: Chrome-Enloy
®
(patents
pending) or White Polyester
•
Standard Adjustable: Chrome-Enloy
®
or White Polyester sprinkler with a
Chrome-Enloy
®
Sleeve and Escutch-
eon
•
Plain
Barrel:
Chrome-Enloy
®
or
Brass (sprinkler only)
ACCESSORIES
Standard Dry Sprinkler Wrench Part No.
07297W/B
Recessed Dry Sprinkler Wrench: Part
No. 07565W/B***
***Requires a separate ½" ratchet (not available
from Viking).
Replacement Escutcheons:
1. Adjustable Standard Dry Escutcheon:
Base Part No. 08086F
2. Recessed Dry Escutcheon: Base Part
No. 05459A
5. ORDERING INFORMATION
For proper shipment, specify: model, fin-
ish, temperature rating, escutcheon
type, and length ("A" Dimension). Viking
Quick Response Dry Horizontal Side-
wall Sprinklers are ordered in specific
lengths noted as the "A" Dimension (see
Figures 1 through 4). The A Dimension
is the distance from the face of the fitting
(tee) to the finished surface of the wall in
which it is to be installed. The Viking
Quick Response Dry Horizontal Side-
wall Sprinkler must be ordered and man-
ufactured specifically for one of three
styles of installation: with the adjustable
recessed escutcheon (see Figure 1),
with the adjustable standard escutcheon
(see Figures 2 and 3), or the plain barrel
(see Figure 4). For limits of adjustment
for the recessed escutcheon, see Figure
1. Details and limits of adjustment for the
standard escutcheon style, with 2" (50,8
TECHNICAL DATA
Sprinkler 106 m
September 16, 2005
Approval Chart
Quick Response Ordinary Hazard
Dry Horizontal Sidewall Sprinklers
Thread Size
Sprinkler Description
Nominal K-factor
4
Order Length Increment
3
Listings
2
NPT
BSP
Sprinkler Style
Base Part No.
1
SIN
Inches
mm
cULus
5
NYC
1"
–
Adjustable Standard
13169
VK277
8.0 U.S. (11,5 metric)
for lengths up to 20".
For lengths exceeding
20", refer to Figure 5
on page 106 o.
½"
12,7
A1
–
–
25 mm
13175
VK277
½"
12,7
A1
–
1"
–
Adjustable Recessed
13171
VK279
¼"
6,35
B2
–
–
25 mm
13177
VK279
¼"
6,35
B2
–
1"
–
Plain Barrel
13170
VK275
½"
12,7
A3
–
–
25 mm
13176
VK275
½"
12,7
A3
–
Approved Temperature Ratings
A - 155 °F (68 °C), 175 °F (79°C), 200 °F (93 °C),
and 286 °F (141 °C)
B - 155 °F (68 °C), 175 °F (79°C), and 200 °F (93 °C)
Available Approved Finishes
1 - Chrome-Enloy
®
or White Polyester sprinkler with a Chrome-Enloy
®
Sleeve and Es-
cutcheon with "A" dimensions 1-1/2" to 45-1/2" (38,1 mm to 1 156 mm)
2 - Chrome-Enloy
®
or White with "A" dimensions 3-1/4" to 47-1/2" (82,5 mm to 1 207 mm)
3 - Chrome-Enloy
®
or Brass with "A" dimensions 3" to 47" (76,2 mm to 1 194 mm)
Footnotes
1
Base part number is shown. For complete part number, refer to Viking's current price schedule.
2
This chart shows the listings and approvals available at the time of printing. Other approvals may be in process. Check with the manufacturer
for any additional approvals.
3
Minimum
length (A Dimension) is 1-1/2" (38,1 mm) for sprinkler VK277, 3" (76,2 mm) for sprinkler VK275, and 3-1/4” (82,5 mm) for sprinkler
VK279.
Maximum
standard (listed) length is 45-1/2" (1 156 mm) for sprinkler VK277, 47" (1 194 mm) for sprinkler VK275, and 47-1/2" (1 207
mm) for sprinkler VK279.
4
Metric K-Factors shown are for use when pressure is measured in kPa. When pressure is measured in BAR, multiply the metric K-Factor shown
by 10.0.
5
Listed by Underwriters Laboratories Inc. for use in the U.S. and Canada for light and ordinary hazard occupancies.
NOTE:
Viking Quick Response Ordinary Hazard Dry HSW Sprinklers must be positioned between 4" and 12" (102 mm and 305 mm) below
smooth, flat, horizontal ceilings, and not less than 4" (102 mm) from walls other than the wall in which they are installed. Keep the leading edge
of the deflector and the centerline axis of the sprinkler frame oriented parallel with the ceiling. Refer to appropriate Installation Guide.
Temperature
KEY
Finish
A1X
Escutcheon (if applicable)
5/16" (7,9 mm) outward adjustment
Ceiling
4" (102 mm) minimum
12" (305 mm) maximum
Wall
5/8" (16 mm)
1-7/8" (47,6 mm) minimum
2-1/2" (63,5 mm) maxi-
Available
Adjustment
3-1/16"
(77,8 mm)
5/16" (7,9 mm) inward adjustment
For "A" Dimension:
1. Determine the distance from face of tee to
face of finished wall.
2. Round to nearest ¼" (6,35 mm) between
3-1/4" and 47-1/2" (82,5 mm and 1 207 mm).
NOTE:
The sprinkler will be recessed approxi-
mately 5/16" (7,9 mm) with 5/8" (15,8 mm)
horizontal adjustment available.
Figure 1
Adjustable Recessed QR Ordinary Hazard Dry Horizontal Sidewall Sprinkler VK279
Minimum wall opening size:
2-1/8" (54 mm) diameter.
Maximum wall opening size:
2-1/2" (63,5 mm) diameter.
QUICK RESPONSE
ORDINARY HAZARD
DRY HORIZONTAL SIDEWALL
SPRINKLERS
(VK277, VK279, VK275)
OBSOLETE
