Specifications CENTRAL GB 10- 6
Sprinkler f� _ ,�::
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Upright, Pendent and Recessed ~ . .
Pendent - 3vpgg- CQ2Q S ... _ :,.. .. '.ti , y , . .
Glass Bulb Automatic Sprinkler r _: i h;._.: ; ��,•.. ..
Central } ` ? ' 'k`5 ; . "
Manufactured b `
y: a Sprinkler Company : 2.:44.4- : ;c 4: 44. ,.;...a ,,,
451 North Cannon Avenue, Lansdale, Pennsylvania 19446 I "If f4' :'','k' ,•<•; k.,_ ,.., ,,l' i' ,k:.
Product Technical a- ____ - .:,.:.�
Il oescription Data =
The Central Model GB Upright and Model: GB ;-;352 •
Pendent and Recessed Pendent Style: Upright, Pendent or Recessed -. • • !t ;,04"--4 , f;,
Automatic Sprinklers are standard Pendent (adjustable) • - i .
spray sprinklers. They incorporate the Escutcheon: Model GB 1/2" Recessed R
Note: For the recessed version, only the i . .... • t — '
latest in heat - responsive, glass bulb r
Model GB" Recessed
technology, which results in a much ' /2
Escutcheon assembly may be ft ��t`` "' - I
smaller more attractive sprinkler than used. Substitution of other
�
those manufactured with a more "recessed" escutcheons may • . ,iii --n� .75
traditional design approach. The impair the operating sensitivity and • - • _ , _ •
operating mechanism consists of a distribution pattern and void . - • • . '
liquid - filled 5 mm diameter frangible manufacturer's warranty. . . • . , '
capsule that is only 1.6 cm in length. Orifice Size: 1/2" (12.7 mm) ; —_
The Model GB Automatic Sprinklers K- Factor: 5.6 (80.08) nominal = ; 1
•
are intended for installation in Thread Size: '/2" (12.7 mm) N.P.T. ''�: `' a ,- '
I. -
accordance with current NFPA 13 Temp. Rating & Glass Bulb Color: i; Q:g;;^; f , *ti . i,: . t :; ,. •
Standards. They are available in 1/2" 135 °F /57 °C Orange ' "�
orifice size and a variety of 155 °F /68 °C Red - :k e`•'; W
temperature ratings, finishes and 175 °F /79 °C Yellow r c �,
200 °F /93 °C Green 's...`:'• • `t -
decorative coatings. .
The Model ... , ,- . "
*286 °F /141 °C Blue .
odel GB Recessed Glass Bulb •360 °F /182 °C Purple (360 °F not F M . r ' ` .' ''' • .' " `` '
�. � F . • •
Automatic Sprinkler incorporates a
Approved) ;'_,. :
significant cost saving feature; a 2- 'Not ULC, FM or MEA Approved as recessed j, L. " • ' ,:. _ • j ?� ° `� .
piece special escutcheon assembly pendent. (
that provides for %" of field adjustment Approvals: UL, U.L.C, F.M., MEA (466 92 -3) �f y Y o' 4 ti' { °,:- ;•
;.: J :`` =t.' ;';+
resul resulting in an easily accomplished Meets: MIL-STD-910C, MIL-STD-167-1, and
ting ,,,�._ : �._ "',• . -.._ _,.,.,,s,,�- 7-
tight fit against the ceiling. MIL - STD - 810 - C shock, vibration, and . �� ' '"; °; 1;: '41. _ • ;". {.-:_.
salt fog tests for maritime A +r ux•.cr' -
applications. ,
Operation: The glass bulb capsule "4 -
P g P Maximum Working Pressure: 175 p.s.i. ; :l ; : +
operating mechanism contains a heat- Factory Hydro Test: 100% at 500 p.s.i. / : . ; ; s „ ,O ref c e ; ' : •
sensitive liquid that expands upon Standard Finishes: i �,.
application of heat. At the rated Sprinkler: brass or chrome plated ' , U: • m at' C ,.
temperature, the frangible capsule Escutcheon: brass or chrome plated . •
ruptures thereby releasing the orifice Corrosion - Resistant Coatings (U.L. Only): r;,l, �i �
seal. The sprinkler then discharges white and black painted i : S p ■ .1 n k 1 e r .
water in a pre designed spray pattern Highest Allowable Ambient Temperature for 1 , - . • •
•
to control or extinguish the fire. Storage of Sprinklers: 100 °F /38 °C
Adjustable Range Below Ceiling:
- ' 3 /4 " to 1 /8" (19 to 34 9 mm)
I Length: 2" (50.8 mm)
For specific fisting requirements. see the appropriate Width 1" (25 4 mm) (frame arms)
information contained in this brochure Weight 2 0 oz (56 7 grams) Pendent
2 5 oz (70 9 grams) Upright No. 3.6.0