Factory tested pneumatically at 100 PSI
(685 kPa).
Spring: USA Patent No. 4,167,974
Bulb: USA Patent No. 4,796,710
SPRINKLER MATERIALS:
Frame: Brass Castings
UNS-C84400
Deflector: Brass
UNS-C26000
Bulb: Glass,
Nominal 3mm diameter
Seal: Teflon Tape
Spring: Nickel Alloy
Screw: Brass
UNS-C36000
Pip Cap: Brass
UNS-C31600
Seat: Copper
UNS-C21000
Orifice: Copper
UNS-C21000
Washer: Stainless Steel
UNS-S30400
Base: Brass UNS-C31600
Gasket: Buna N
Tube: JIC Hydraulic Steel Tube
Inlet: Brass UNS-C36000
Support (Internal): Steel UNS-G10080
Electrodeposited
Epoxy Base finish
Spring (Internal when "B" dimension
exceeds 37" (940mm):
Stainless Steel UNS-S30200
Barrel: Steel Tube
UNS-G10200
Electrodeposited
Epoxy Base finish (Black)
ESCUTCHEON MATERIAL:
Escutcheon: Brass UNS-C26000
(Decorative Chrome Finish)
ACCESSORIES:
Dry Sprinkler Wrench
Standard: PN 07297
Escutcheon: PN 01964B
Decorative Brass finish
(A chrome escutcheon is included
with each Model M Dry Upright Sprin-
kler)
SPRINKLER FINISHES:
Plain Barrel with Brass Sprinkler
ORDERING INFORMATION:
For proper shipment specify: model, fin-
ish, temperature rating, and length ("B"
Dimension) desired.
Viking Dry Upright
Sprinklers are ordered in specific
lengths noted as the "B" dimension (see
Figure 1). For Viking Model M Dry Up-
right Sprinklers the "B" dimension is the
distance from the face of the fitting (tee),
into which the sprinkler is to be installed,
to the top of the deflector (see Figure 1).
5. AVAILABILITY AND SERVICE:
Viking Sprinklers are available through
a network of Domestic, Canadian, and
International Distributors. See the Yel-
low Pages of the telephone directory
(listed under "Sprinklers Automatic
Fire") or contact The Viking Corporation.
6. GUARANTEES
For details of warranty, refer to Viking’s
current list price schedule or contact Vi-
king directly.
7. INSTALLATION
WARNING: Viking sprinklers are manu-
factured and tested to meet the rigid
requirements of approving agencies.
The sprinklers are designed to be in-
stalled in accordance with recognized
installation standards. Deviation from
the standards or any alteration to the
sprinkler after it leaves the factory in-
cluding, but not limited to, painting, plat-
ing, coating, or modification, may render
the sprinkler inoperative and will auto-
matically nullify the approval and any
guarantee made by The Viking Corpora-
tion.
A. Sprinklers are to be installed in ac-
cordance with the latest published
standards of the National Fire Protec-
tion Association, Factory Mutual,
Loss Prevention Council, Assemblee
Pleniere, Verband der Sachver-
sicherer or other similar organiza-
tions, and also with provisions of gov-
ernmental codes, ordinances, and
standards whenever applicable. The
use of Quick Response Dry Upright
Sprinklers may be limited due to oc-
cupancy and hazard. Refer to the
Authority Having Jurisdiction prior to
installation.
B. Sprinklers must be handled with care.
They must be stored in a cool, dry
place in their original container.
Never install sprinklers that have
been dropped or damaged in any
way. Never install any glass bulb
sprinkler if the bulb is cracked or if
there is a loss of liquid from the bulb.
Never install sprinklers which have
been exposed to temperatures in ex-
cess of maximum ambient tempera-
ture allowed. Such sprinklers should
be destroyed immediately.
C. Model M Dry Upright Sprinklers are
not intended for use in corrosive en-
vironments. Use only sprinklers
listed for corrosive environments
when subject to corrosive atmos-
pheres.
WARNING: Dry Upright Sprinklers
MUST be installed into the 1" outlet of
a cast iron or malleable iron tee fitting
only.
1
. DO NOT
install the Dry Upright
Sprinkler into a threaded elbow,
coupling, or any other fitting that
could interfere with thread pene-
tration. Such installation will
damage the brass seal.
2
. NEVER
try to modify the Dry Up-
right Sprinkler. The sprinklers are
manufactured for a specific "B"
dimension and cannot be modi-
fied.
D. Model M Quick Response Dry Upright
Sprinklers must be installed after the
piping is in place to prevent mechani-
cal damage. Install the sprinkler
above the piping, in the upright posi-
tion only. When installing Dry Upright
Sprinklers on piping located close to
the ceiling it may be necessary to
lower the sprinkler into the fitting from
above the ceiling. Before installing,
verify that the "B" dimension is correct
and the appropriate model, style, and
temperature rating is used. When in-
stalling the Dry Upright Sprinkler from
below the ceiling, verify that the hole
in the ceiling is a minimum 1-1/2"
(38,1mm) diameter.
1. Install the optional escutcheon (if
used) over the threaded end of the
Dry Upright Sprinkler barrel. Slide
the escutcheon past the external
threads.
Note: When installing the sprinkler
from above the ceiling, it will be
necessary to install the escutch-
eon after lowering the threaded
end of the sprinkler through the
ceiling penetration.
2. Apply a small amount of pipe joint
compound or tape to the external
threads of the sprinkler barrel
only, taking care not to allow a
build up of compound or tape over
the brass inlet and seal.
3. Install the sprinkler on the piping
using the special Dry Sprinkler
Wrench only, while taking care not
to damage the sprinkler. DO NOT
use a pipe wrench on the barrel of
the Dry Upright Sprinkler.
E. After installation, the entire sprinkler
system must be tested in accordance
with the recognized installation stand-
ards. The test is applied after sprin-
kler installation to insure no damage
has occurred to the sprinkler during
Sprinkler 107 b
TECHNICAL DATA
March 21, 1996
R
MODEL M
QUICK RESPONSE
DRY UPRIGHT
SPRINKLER
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