SPRINKLER HEAD
Concealed Sprinkler
MODEL: SD1050, SD1055
DESCRIPTION
The SHIELD Sprinklers, SD1050, SD1055 (Glass Bulb Type)
Standard and Quick Response Concealed Sprinkler, design
incorporates state-of-the-art, heat responsive, frangible glass
bulb design for prompt, precise operation. The die cast frame is
more streamlined and attractive than traditional sand cast frames.
It is cast with a hex-shaped wrench boss to allow easy tightening
from many angles, reducing assembly effort. This sprinkler is
available in various temperature ratings and nishes to meet TECHNICAL SPECIFICATION
many design requirements. The recessed pendent should be
utilized with a recessed escutcheon which provides up ½” of
Sprinkler Identi cation Standard SD1050 (bulb
adjustments. All sprinklers are manufactured using the time
Number 5mm), Quick Response
proven Belleville seal used exclusively by all major manufactures
SD1055 (bulb 3mm)
to ensure long life and safe operation.
Style Concealed Sprinkler
SPRINKLER OPERATION K Factor 5.6gpm/psi½. (80lpm/bar½)
Response Time Index Standard 50
The operating mechanism is a frangible glass bulb which contains
(RTI) Quick Response 30
a heat responsive liquid. During a re, the ambient temperature
rises causing the liquid in the bulb to expand. When the ambient Nominal Thread Size ½”NPT(15mm)
temperature reaches the rated temperature of the sprinkler, the
Ori ce Size 13mm
bulb shatters.
Max. Working Pressure 175PSI(1200kPa)
As a result, the waterway is cleared of all sealing parts and water
Factory Hydrostatic Test 100%@500PSI(3450 kPa)
is discharged towards the de ector. The de ector is designed to
distribute the water in a pattern that is most effective in controlling Min. Operation Pressure 7 PSI(48 kPa)
the re.
Note: Shield SD1055 (3-mm bulb) is FM Approved
as standard response only. Factory Mutual do not
MAXIMUM COVERAGE approve any concealed sprinklers for quick response
Standard spray coverage is up to: Light Hazard = 225 square
feet(20.9 sq.m); Ordinary Hazard = 130 square feet(12.1 sq.m) per
NFPA 13.
RATINGS
Sprinkler Temperature Norminal Sprinkler N.F.P.A Maximum Ambient
Glass Bulb Color
Classi cation Temperature Rating (Ceiling) Temp.(Allowed)
Ordinary 155ºF/68ºC 100ºF/38ºC Red
Intermediate 175ºF/79ºC 150ºF/65ºC Yellow
Intermediate 200ºF/93ºC 150ºF/65ºC Green
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PART LIST
SD1050 SD1055
1. Frame 2. De ector 3. Cap 4. Cap Seat 5. Load Screw 6. Seal 7. Bulb
DISCHARGE CURVE
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WARNINGS INSTALLATION SEQUENCE
The SHIELD Sprinklers must be installed and maintained Step 1. The unit must be installed in the Pendent position
in compliance with this document. Depressurize and drain for the Concealed Sprinkler.
the piping system before attempting to install, remove,
or adjust any Sprinklers. Failure to do so may impair the Step 2. Use only a non-hardening pipe joint compound or
performance of these sprinklers. The owner is responsible tape seal. Apply only to the male
for maintaining the re protection system and devices in threads.
operation.
Step 3. Hand tighten the sprinkler into tting.
WRENCH DESCRIPTION
Step 4. For Concealed Sprinklers, use a standard wrench.
The Sprinkler Wrench is a tool speci cally designed for Tighten the unit into the tting. A lead-tight joint requires
installing SHIELD Sprinklers. These special wrenches must only 7 to 14ft.-lbs(9.5 to 19.0Nm) of torque. A tangential
be used to provide the proper leverage when tightening the force of 14 to 28ft.-lbs(62.3 to124.5N) delivered through
sprinkler and to minimize slippage during installation. Any a 6”(150mm) handle will deliver adequate torque. Once
other wrench may damage the sprinkler. torque level reach over 21ft.-lbs(28.6Nm) it may distort
the ori ce seal, resulting in leakage. For exposed piping
systems, the sprinkler should be oriented so the frame
arms are parallel with the branch line pipe.
Concealed
Sprinkler Wrench CAUTION
Do not over-tighten or under-tighten the sprinkler to
compensate for inaccurate escutcheon plate adjustment.
Protection caps are used to protect its bulb and de ector.
Please have cap on at all times during transportation and
INSTALLATION interior decorating.
All SHIELD Sprinklers must be installed according to MAINTENANCE
NFPA 13 Standards. Deviations from these requirements
and standards or any alteration to the sprinkler itself will Sprinklers must never be altered after manufacture. Any
void any warranty made by manufacturer. In addition, alteration such as painting and coating will directly harm
installation must also meet local government provisions, the sprinkler and cause malfunctions. Sprinkler in contact
codes and standards as applicable. with corrosive products should be replaced if they cannot
be cleaned completely.
The system piping must be properly sized to insure the
minimum required ow rate at the sprinkler. Check for the Visual inspections are recommended after installation.
proper model, style, ori ce size and temperature rating After installation, a close-up inspection annually will
prior to installation. Install sprinklers after the piping is in suf ce.
place to avoid mechanical damage, replace any damaged
units. Wet pipe systems must be protected from freezing. Inspection and maintenance of re protection system is
the responsibility of the owner. It is recommended that
Upon completion of the installation, the system must be automatic sprinkler system be inspected and tested
tested per recognized standards. In the event of a thread according to local and/or national regulations.
task, remove the unit, apply new pipe joint compound or
tape, and reinstall.
ADDITIONAL
Cover Plate - To install the conceal cover plate, align it
with the sprinkler and slowly turn clockwise for the cover
plates and sprinkler to lock in. Make sure the cover plate is
securely locked in, fail to do so may cause the sprinkler to
malfunction.
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DISTRIBUTION PATTERNS
K5.6 PENDENT SPRINKLER
DISTRIBUTION PATTERNS - TRAJECTORY
DIMENSIONS
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