Plans 9L3� y // , -� ��5 �g ?7
s Bulletin 154 Rev.0
Model G4A
Reliabld
Quick Response
Concealed 5-
Automatic Sprinkler
The Concealer
UL Quick Response 41.4 , ' • . ,
FM Standard Response ski !' r - ' , .
Concealed Sprinkler With a ;ma '1°�''
` _
%" (13mm) or 1 %" (38mm) �:
Adjustment , 4 ' . ::• , • .
Features - • .� -
X 76 . . •.. 4
1. Push-on/Thread-off cover plate attachment � :r , `
with %" (13mm) assembly adjustment. s- �� z =;: ... •: `
2. Smooth aesthetic ceiling profile ,c� ' "r_ '-,,,•-•,- Jam„ .4 '
3. Factory installed protective cap. � _
4. Available in brass, chrome or black ` y ± • - - . .
plated and white painted finishes. „.. ,•...ii-i .
5. Ordinary temperature rating. ,.;.4.: i i h ,.i . : _ _� . • -
Ap & Listings f . ` ' _ .
1. Underwriters Labortones, Inc. (UL)- -...... -' ' � ' -
Quick Response The Model G4A Concealer° is designed for use where aes-
2. Underwriters Laboratories of Canada (ULC) thetic appearance is important Offices, hospitals, motels and
Quick Response restaurants are but a few of the applications where it can be
3. Factory Mutual Research Corp. (FM) used. It is available in different orifice sizes allowing the de-
signer to optimize system performance, thereby achieving a
Standard Response very efficient installation.
• Light Hazard Occupaniaes The Model G4A Concealer° is a UL Listed Quick Response
No Limitations Concealed sprinkler intended for use in accordance with NFPA
• Ordinary Hazard Occupancies 13. FM Approves this sprinkler as a standard response con- intended for
cealed ' Groups 1 & 2 Wet Systems Only Preventiopn n Sleet 2-8N. use in accordance with FM Loss
4. NYC MEA 25&93 -E - Quick Response
Product Description
The Reliable Model G4A Concealer a proven quick re-
U.S. Patent number 4,880,063. sponse fusible element in astandard style sprinkler frame with a
drop -down deflector. This assembly is recessed into the ceiling
Application and concealed by a fiat push-on/thread-off cover plate
PP assembly. The push -or tread -off cover plate assembly and
The Reliable Model G4A sprinkler cup assemblies are held tight by a flexible tooth en-
Concealer is the most versatile gagement to the threaded cup. This threaded engagement
quick response concealed sprin- •= provides Y2” (13mm) of cover adjustment The flat cover plate is
Icier available. It provides the best attached to the skirt using 135 °F (57°C) ordinary temperature
form of fire protection while offer- i ' `- _ _ dassiication solder, forming the Pushorrhreadoff cover plate
ing an attractive appearance and i - __. assembly.
1/2" (13mm) of cover adjustment - - When the ceiling temperature rises, the solder holding the flat
for ease of installation. The small c y, cover plate melts, the flat cover plate released thus exposing
diameter push -on /thread -off - the sprinkler inside to the rising ambient temperature.
cover plate assembly is easily at- IPP_+ — The subsequent fusing of the element opens the waterway
tidied and blends into the ceding, and causes the deflector to distribute the water. Any secure en-
concealing the most dependable gagement between the cover plate and cup will assure that the
fire protection available, an auto- drop -down deflector is property located below the ceiling
matt sprinkler system.
The Reliable Automatic Sprinkler Co., Inc., 525 North MacQuesten Parkway, Mount Vernon , New York, 10552
•
Installation Ordering Information •
Do not install the G4A Concealer' in ceilings which have posi- 1. Sprinkler Model if '1
five pressure in the space above. 2. Nominal Orifice i ^I .
• Cut a N inch (67mm) diameter hole in the ceiling, the sprin- 3. Rat Cover Plate ....•
kW is easily installed with the Model G4 Wrench. The Assembly Finish
wrench has drive tangs which insert into the cup slots. 4. Inlet Type
When installing a sprinkler the wrench is first positioned into
the sprinkler/cup assembly until the wrench tangs engage
the drive slots in the to p of the . cup here are two sets o f Cover Plate Finishes "
drive slots in the cup). The spr (t nkler Is then tightened into
the fittin . When inserting or removing he wrench from Standard Finishes
the sprinkler /cup assembly, care should be taken to prevent Bronze --c
damage to the sprinkler. DO NOT WRENCH ON ANY Chrome
OTHER PART OF THE SPRINKLER/CUP ASSEMBLY. Anal White Paint Model G4 Sprinkler
adjustment of the cover is made by hand turning the (over Wrench
in the clockwise direction until it is tight against the ceiling. Special Application
A protective cap is provided to protect the drop -down sprinkler Finishes UL Listing Category
deflector from damage which could occur during construction Bright Brass
before the cover plate is installed. The cap is factory installed in - Black Plating Sprinklers, Automatic and
side the sprinkler cup. Remove cap to install sprinkler, then Black Paint Open
re- install cap until the cover plate is installed. Off White Quick Response Sprinkler
Maintenance Satin Chrome UL Guide Number
The Model G4A Concealer" should be inspected quarterly n ' Other finishes and colors are VNIV
and the sprinkler system maintained in accordance with NFPA � g l� o l d s
25. Do not clean sprinklers with soap and water, ammonia or any ar FM Approval of the painted finish
other cleaning fluids. Remove any sprinkler that has been is limited to white and off -white
painted (other than factory applied) or damaged in any way. A mini �la d finishes are
stock of spare sprinklers should be maintained to allow quick re
placement of damaged or operated sprinklers. Prior to installa- Temperature Rating
tion, sprinklers should be maintained in the original cartons and Cover Max. Ambient
packaging to minimize the potential for damage to sprinklers that Classification Sprinkler prate Temp.
would cause improper operation or non- operation.
Technical Data Ordinary 165°F/74 °C 135 °F /57 °C 100 °F /38 °C
Sprinkler Inlet Tel Nominal Nominal IC Factor Sprinkler
p Adluatment Orifice US Metric Thread Approvals Identitcation (SIN)
Non Adjustable 1 k" (13mm) 1 f2" (15mm) 5.6 80 14" NPT (R 1,2,3,4 R5415
-' Non Adjustable 'h" (13mm) 74" (11mm) 4.2 60 1/2 "NPT (R/) 1,2,4 R5413
Non Adjustable 1 h" (13mm) %" (10mm) 2.8 40 1h "NPT (RYz) 1,2,3,4 R5411
Adjustable 11/2" (38mm) Yz" (15mm) 5.6 80 1" NPT Male or Female 1,2,4 R5418
Adjustable 11/2" (38mm) 4" (11mm) 4.2 60 1" NPT Male or Female 1,2,4 R5413
Adjustable 1 (38mm) %" (10mm) 2.8 40 1" NPT Male or Female 1,2,4 R5412
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l � - - IjT j I i' -- -1 rn - -, Jil l — — i nn , kiil 11111-:- - i —.+- 1 1 �t — _ -- kit •
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ctawc-‘ ak m , -
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Fig.1 -' /z" NPT Non - Adjustable Inlet Fig. 2 - 1" NPT Male - Adjustable Inlet Fig. 3 - 1" NPT Female- Adjustable Inlet
The equipment presented in this bulletin is to be installed in accordance with the latest published Standards of the National Fire Protection Association, Factory Mutual
Research Corporation, or other similar organizations and also with the provisions of governmental codes or ordinances whenever applicable.
Products manufactured and distributed by Reliable have been protecting life and property for over 80 years, and are installed and serviced by the most highly qualified
and reputable sprinkler contractors located throughout the United States, Canada and foreign countries.
Manufa by ' , Recycled
The Reliable Automatic Sprinkler Co., Inc. '. : Paper
fle IiabId (800) 431 -1588 Sales Offices
(800) 848 -6051
Sales Fax Revision lines indicate updated or new data.
(914) 668 - 3470 Corporate Offices
ESIMMEMEMENIMIIIIMMINIMME www.rehablespnnkler coin Internet Address EG Printed in USA 06102 P/N 9999970150