Plans ' ?3(o0 1I 5-t, / larA, 5 - 6 3 0
Bulletin 154 Rev.0
co
Model G4A
. Rellm'abld 5. 5.
Quick Response
Concealed
Automatic Sprinkler CD
The Concealer
UL Quick Response yj,,',':;_4.. •
•.r � .
FM Standard Response ;._' `
t
Concealed Sprinkler With a •�'" , .
%" (13mm) or 1X" (38mm) . - % } <:' - .
• Adjustment``•'' . - .
Features . ' z b .
1:; ; ,.L% ; : ,,-
1. Push-on/Thread -off cover plate attachment • .
with %" (13mm) assembly adjustment. a ?• -
2. Smooth aesthetic ceiling profile. t; .. -
3. Factory installed protective cap. Fa 0. . �,
ti • 4. Available in brass, chrome or black i� ` - - y • plated and white painted finishes. . • 7 r ^ ti •
. 5. Ordinary temperature rating �`' " = —
a r-
Approvals & Listings
-- v ,''" �
1. Underwriters Laborbories, Inc. (UL} �- -.. ,
- Quick Response
2 Underwriters Laboratories of Canada (lAC} The Model G4A Corcealer° is designed for use where aes-
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-
Standard Response signer to optim performance, ize system perfoance, thereby achieving a
Hazard very efficient installation.
• Light � - 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 -
Groups 1 & 2 Wet Systems On �ed sprinkler intended for use in accordance with FM Loss
yst y Prevention Data Sheet 2-8N.
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 astandard style sprinkler framewith a
. drop -down deflector. This assembly is recessed into the ceiling
Application
and conce The aled by flat
read -off read cover plate
The Reliable Model G4A sprinkler cup assemblies are held tight by flexible tooth en-
Concealer is the most versatile gagement to the threaded cup. This threaded engagement
quick
available. re response once d best provides 1/2" (13mm) of cover adjustment The flat cover plate is
provides attached to the skirt using 135°F (57°C) ordinary temperature
form of fire protection while offer- - classification solder; forming the Push-on/Thread-off cover plate
ing an attractive appearance and i - assembly.
'/z" (13mm) of cover adjustment i Whe 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 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 ast ire that the
fire protection available, an auto- drop -down deflector is properly located below the ceiling.
matte sprinkler system. .
The Reliable Automatic Sprinkler Co., Inc., 525 North MacQuesten Parkway, Mount Vernon , New York, 10552
Installation Ordering Information oltir
Do not install the G4A Connenler ® in ceilings which have posi- 1. Sprinkler Model . - I
five pressure in the space above. 2. Nominal Orifice i
• Cut a N inch (67mm) diameter hole in the ceiling, the sprin- 3. Rat Cover Plate ' .
•■. kler is easily installed with the Model G4 Wrench. The Assembly Finish ; ".-
■, wrench has drive tangs which insert into the cup slots. 4. Inlet Type I-
the When installing a spnnkler the wrench is first positioned into sprinkler /cup assembly _ until the wrench tangs engage i i°
the drive slots in the top of the cup (there are two sets of Cover Plate Finishes "
drive slots in the cup). The sprinkler is then tightened into S tandard Finishes
the i fitting. When inserting or remove the wrench from
the spnnkler /cup assembly, care should be taken to prevent Bronze . -
darnge to the sprinkler. DO NOT WRENCH ON ANY Chrome
OTHER PART OF THE SPRINKLER/CUP ASSEMBLY. Final White Paint Model G4 Sprinkler
adjustment of the cover is made by hand turning the cover loll Application
Wrench
in the clockwise direction until it is tight against the ceiling. S p� ApP
A protective cap is provided to protect the drop-down spnnkler Finishes UL Listing Category
deflector from damage which could occur durin t;artstn lction 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 "I Other finishes and colors are VNIV
and the sprinkler system maintained in accordance with NFPA available on special details
25. Do not clean sprinklers with soap and water, ammonia or any a ' FM Approval of the painted finish
other cleaning fluids. Remove any sprinkler that has been is hmrted to white and off-white
painted (other than factory applied) or damaged in any way. A � ApP lced finishes are
stock of spare sprinklers should be maintained to allow quick re-
placement of damaged or operated sprinklers. Prior to installa- Temperature Rating
lion, sprinklers should be maintained in the original cartons and Cover Max. Ambient
packaging to minimize the potential for damage to sprinklers that Classification Sprinkler Plate Temp.
would cause improper operation or non- operation.
Ordinary 165 °F /74°C 135 °F /57 °C 100"F/38°C
Technical Data
Sprinkler Inlet Total Nominal Nominal K Factor Thread Approvals iderrtSokn Sprinkler
-- Adjustment Orifice US Metric
Non Adjustable 1/2" (13mm) 1 h" (15mm) 5.6 80 1/2" NPT (R1/2) 1,2,3,4 R5415
Non Adjustable 1 h" (13mm) ' °" (11mm) 4.2 60 1 ,4 "NPT (R1/2) 1,2,4 R5413
Non Adjustable 1/2" (13mm) g" (10mm) 2.8 40 1 h "NPT (R1/2) 1,2,3,4 R5411
Adjustable 1W' (38mm) 1 /2" (15mm) 5.6 80 1" NPT Male or Female 1,2,4 R5418
T 11mm) 4.2 60 1 NPT Male or Female 1,2,4 R5413
Adjustable 1 r�" (38mm) ,{," "
( '
Adjustable 1 (38mm) %" (10mm) 2.8 40 1" NPT Male or Female 1,2,4 R5412
i I r - I - _ii
41 1 I - iGG ti = f
. -r.' : &M Z., minim= ll L;'...7121a6..
-� �: °- I' ' r i _' �, lam" .' Ikati I, —
�_ ui
IA. -1 ii i
.11Haon ' —4T—WS
Fig 1 - 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
Products manufactured and distributed by Reliable have been protecting Ire and property for over 80 years, and are installed and serviced by the most highly qualified
and reputable spnnkler contractors located throughout the United States, Canada and foreign countries
Manul by 6 Recycled
The Reliable Automatic Sprinkler Co., Inc.
� (80 0) 841 -1058 Sales Offices
HeIiabI (800) 848-6051
Sales Fax
Corporate Offices Revision lines indicate updated or new data
(914) 668 -3470
www relablespnnkler corn Internet Address EG Printed in USA 06/02 P/N 9999970150