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- Bulletin 154 Rev.0
co
Model G4A c
...... ---) Rell-abld Quick Response
Concealed kr
Automatic Sprinkler C
The Concealer
UL Quick Response • . . - .
FM Standard Response `` 7 . - "
.
Concealed Sprinkler With a :; •
X" (13mm) or 1)/ (38mm) . .
• - - ,, ,, . -, . •, .
Adjustment - '? c.•• :'
Features .,,
1. Push -on /Thread -off cover plate attachment . ' •..
- ' 4, •• • s ' •"
with y" (13mm) assembly adjustment. - :'.1-"-::;_,,... - :'.1-"-::;_,,... r -- • - _
2. Smooth aesthetic ceiling profile.
kf, tJ..f 1 .�.r' ^" 0.r• ' -
3. Factory installed protective cap. . .
4. Available in brass, chrome or black • _ . • . , . _ ,
plated and white painted finishes. _
5. Ordinary temperature rating.
Approvals & Listings
1. Underwriters Labor cries, 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 Occupanicies 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 -
1 & 2 Wet S On cealed sprinkler intended for use in accordance with FM Loss
Groups Systems N Prevention Data Sheet 2
4. NYC MEA 258-93-E - Quick Response Product Description
The Reliable Model G4A Concealer uses a proven quick re-
U.S. Patent number 4,880,063. sponse fusible element in a standard style sprinkler frame with a
drop -down deflector. This assembly is recessed into the ceiling
Application and concealed by a flat push-on/thread -off cover plate
A
pp assembly. The push-on/thread-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 1/2" (13mm) of cover adjustment The flat cover plate is
kler available. It provides the best attached to the skirt using 135 °F (57°C) ordinary temperature
form of fire protection while offer- . classification sol der, forming the Push-on/Thread-off cover plate
ing an attractive appearance and i - assembly.
'W' (13mm) of cover adjustment i When the ceiling temperature rises, the solder holding the flat
for ease of installation. The small r — _ , 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- The subsequent fusing of the element opens the waterway
tached and blends into the ceiling, 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 properly located below the ceiling
) matic sprinkler system.
The Reliable Automatic Sprinkler Co., Inc., 525 North M Q uesten Parkway, Mount Vernon , New York, 10552
i . . ....
Installation Ordering Information
itti,
1. Sprinkler Model Do not install the G4A Concealer ® in ceilings which have posi- 2. Sp i - y
2. k e Orifice live pressure in the space above. Rat Cover Plate I
• Cut a V8 inch (67mm) diameter tide in the ceiling, the sprin- Assembly Finish
kler is easily installed with the Model G4 Wrench. The
wrench has drive tangs which insert into the cup slots. 4. Inlet Type
When installing a spnnkler the wrench is first positioned into
the sprinkler /cup assembly the wrench tangs engage i _ t Ni
rt the drive slots in the top of the ctrl (there are two sets of Cover Plate Finishes drive slots in the cup). The sprinkler is then tightened into iStandar )7nlshes ;
the pipe fitting. When inserting or removing the wrenc h from --�,�
the spnnkler /cup assembly, care should be taken to_ prevent Bronze fl
damage to the sprinkler. DO NOT WRENCH ON ANY Chrome
OTHER PART OF THE SPRINKLER/CUP ASSEMBLY. Anal White Paint j2) Model G4 Sprinkler
ad1'ustment of the cover is made by hand turning the cover Special Application
in the clockwise direction until it is tight against the ceiling.
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 U prinksrs, Automatic any
before the cover plate is installed. The cap is factory installed in- Black Plating
side the sprinkler cup. Remove cap to install sprinkler, then Black Paint
re- install cap until the cover plate is installed. Off White1 �1 Quick Response Sprinkler
Maintenance Satin Chrome UL Guide Number 1
The Model G4A Concealer" should be inspected quarterly t '' Other finishes and colors are VNIV
and the sprinkler system maintained in accordance with NFPA core n or deice s
25. Do not clean sprinklers with soap and water, ammonia or any t2' F limited r to white the end an finish
other cleaning fluids. Remove any sprinkler that is pai Atl p finishes rid o are
painted (other than factory applied) or damaged any way. FM App roved
stock of spare sprinklers should be maintained to allow quick re- Kafiri
placement of damaged or operated sprinklers. Prior to installa- Temperature Rating
lion, sprinklers should be maintained in the original cartons and Classification Sprinkler Cover Max. Ambient
packaging to minimize the potential for damage to sprinklers that Plate Temp.
would cause improper operation or non- operation.
Ordinary 165°F/74°c 135°F /57 °c 100°F /36 °c
Technical Data
Nominal K Factor Sprinkler
Sprinkler Inlet Total Nominal Thread Appals Iderrtlfcatlon (SIN)
Adjustment Orifice US Metric
) Non Adjustable '/z" (13mm) Y2" (15mm) 5 6 80 1/2" NPT (R1) 1,2,3,4 R5415
4.2 60 ' ' 1,2,4 R5413
Non Adjustable 'h" (13mm) ' /, °" (11mm) h "NPT (R r4)
Non Adjustable 'h" (13mm) %" (10mm) 2.8 40 Y "NPT (R') 1,2,3,4 R5411
Adjustable 1 Ye (38mm) 1/2" (15mm) 5.6 80 1" NPT Male or Female 1,2,4 R5418
Adjustable 11/2" (38mm) ' /, (11mm) 4 2 60 1" NPT Male or Female 1,2,4
Adjustable 11/2" (38mm) X" (10mm) 2.8 40 1" NPT Male or Female 1,2,4 _ R5412
'71 C. allear
1
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F r ;� ___ ail 7 -
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Fig 1 -'/2" 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
an Product
eps manufactured
spnnkler and distnbuted
located by Reliable liable havetbeen protecting citing life Canada ri fortop over 0 n y tr as rs, and are installed and serviced by the most highly qualified
d 4.• Recycled Manufactured b y t,: Paper
The Reliable Automatic Sprinkler Co., Inc.
) (800 ) 431 -1588 Sales Offices
(800) 848 - 6051 Sales Fax Revision tines indicate updated or new data.
(914) 668-3470 Corporate Offices
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