Shield SD1010 - SHIELD Concealed Sprinklers; Description; Sprinkler Operation; Maximum Coverage

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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
many design requirements. The recessed pendent should be
utilized with a recessed escutcheon which provides up
½
” of
adjustments. All sprinklers are manufactured using the time
provenBellevillesealusedexclusivelybyallmajormanufactures
toensurelonglifeandsafeoperation.
SPRINKLER OPERATION
Theoperatingmechanismisafrangibleglassbulbwhichcontains
aheatresponsive liquid.Duringare, theambienttemperature
risescausingtheliquidinthebulbtoexpand.Whentheambient
temperature reaches the rated temperature of the sprinkler, the
bulbshatters.
As a result, the waterway is cleared of all sealing parts and water
isdischargedtowardsthedeector.Thedeectorisdesignedto
distribute the water in a pattern that is most effective in controlling
there.
MAXIMUM COVERAGE
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.
TECHNICAL SPECIFICATION
RATINGS
SPRINKLER HEAD
Concealed Sprinkler
SprinklerIdentication
Number
Standard SD1050 (bulb
5mm),QuickResponse
SD1055(bulb3mm)
Style Concealed Sprinkler
K Factor 5.6gpm/psi
½
.(80lpm/bar
½
)
ResponseTimeIndex
(RTI)
Standard 50
Quick Response 30
NominalThreadSize
½
”NPT(15mm)
OriceSize 13mm
Max.WorkingPressure 175PSI(1200kPa)
FactoryHydrostaticTest 100%@500PSI(3450kPa)
Min.OperationPressure 7PSI(48kPa)
SprinklerTemperature
Classication
Norminal Sprinkler
TemperatureRating
N.F.P.AMaximumAmbient
(Ceiling)Temp.(Allowed)
Glass Bulb Color
Ordinary 155ºF/68ºC 100ºF/38ºC Red
Intermediate 175ºF/79ºC 150ºF/65ºC Yellow
Intermediate 200ºF/93ºC 150ºF/65ºC Green
Note:
Shield SD1055 (3-mm bulb) is FM Approved
as standard response only. Factory Mutual do not
approve any concealed sprinklers for quick response