Shield SD1010 - SHIELD Quick Response Upright & Pendent Sprinklers; Description; Sprinkler Operation; Maximum Coverage

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MODEL: SD1020, SD1021
DESCRIPTION
The SHIELD Sprinkler,SD1020, SD1021 (Glass Bulb Type) 3/8”
StandardOrice,Upright,PendentandRecessedPendent,Quick
Response, 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
”
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
Quick Response Upright & Pendent Sprinklers
SprinklerIdentication
Number
Quick Response SD1020,
SD1021(bulb3mm)
Style Pendent Sprinkler SD1020,
Upright Sprinkler SD1021
K Factor 4.2gpm/psi
½
.(60lpm/bar
½
)
ResponseTimeIndex
(RTI)
Quick Response 30
NominalThreadSize
⅜
”NPTor
⅜
”PT
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 135ºF/57ºC 100ºF/38ºC Orange
Ordinary 155ºF/68ºC 100ºF/38ºC Red
Intermediate 175ºF/79ºC 150ºF/65ºC Yellow
Intermediate 200ºF/93ºC 150ºF/65ºC Green