Specifications 0 , 9393a ,ScA Q-�S —� s "S' itio
Bulletin 154 Rev.0
iiieliabia M odel G4A co
Quick Response ir,
Concealed FA
Automatic Sprinkler M
The Concealer
UL Quick Response '_ '. . ' ' • - , • •
FM Standard Response , . • -
Concealed Sprinkler With a . . . . ,
'•i,.--i'
X" (13mm) or 1y (38mm)
Adjustment } '• - .
• Y ,. z t ,r r
Features - ` `
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s.
1. Push -on /Thread -off cover plate attachment ° ; -•;".:...:.- �" •,.;., with %" (13mm) assembly adjustment. x { '
2. Smooth aesthetic ceiling profile.
•
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 Labortories, Inc. (UL)- X '
Quick Response
2. Underwriters Laboratories of Canada (ULC)- The Model G4A Concealer• is designed for use where aes-
Quick thetic appearance is important Offices, hospitals, motels and
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 optimize system performance, thereby achieving a
Hazard ides- 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 S On cealed sprinkler intended for use in accordance with FM Loss
ps Systems Only Prevention Data Sheet 2
4. NYC MEA 258-83 -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 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
assembly. The push -0 n /thread -o f 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 solder, forming the Push-on/Thread -off cover plate
ing an attractive appearance and i amb .
'/z" (13mm) of cover adjustment f �When the ceiling temperature rises, the solder holding the flat
for ease of installation. The small �� cover plate melts, the flat cover plate released thus exposing
diameter push -on /thread -off - 7 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, ` = a 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 MacQuesten Parkway, Mount Vernon , New York, 10552
Kii ,. •
Installation Ordering Information
Do not install the G4A Concealer in ceilings which have posi- 1. Sprinkler Model
five pressure in the space above. 2. Nominal Orifice 1
—, • Cut a 2% inch (67mm) diameter hole in the ceiling, the spin- 3. Rat Cover Plate f -A', 1
1 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
When installing a sprinkler the wrench is first positioned into
the sprinkler /cup assembly until the wrench tangs engage
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
the pipe fitting. When inserting or removing the wrench from Standard Finishes
the spnnkler/cup assembl care should be taken to prevent Bronze - _V
damage to the sprinkler. DO NOT WRENCH ON ANY Chrome
OTHER PART OFTHE SPRINKLER/CUPASSEMBLY. Anal White Paint 12) Model G4 Sprinkler
adjustment of the cover is made by hand turning the cover Wrench
in the clockwise direction until it is tight against the celing. Special Application
A protective cap is provided to protect the drop-down sprinkler Finishes
deflector from damage which could occur during construction Bright Brass UL Listing Category
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 t'' other finishes and colors are VNIV
and the sprinkler system maintained in accordance with NFPA ' cons Btfacctto �r de� s
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 limited to white and off -white
painted (other than factory applied) or damaged in any way. A paint. Ped plated 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
packaging to minimize the potential for damage to sprinklers that • Classification Sprinkler Co ly Max. Ambient
would cause improper operation or non - operation.
Technical Data Ordinary 165°F/74°C 135°F/57 °c 100°F /38 °c
Sprinkler Inlet Total Nominal Nominal K Factor Thread Approvals Sprinkler
Adjustment Orifice US Metric Identifcatlon (SIN)
( /) Non Adjustable 1/2" (13mm) '/z" (15mm) 5.6 80 1 /2" NPT (R 1,2,3,4 R5415
Non Adjustable 1 /2" (13mm) 1 /, "" (11mm) 4.2 60 1 k "NPT (R 1,2,4 R5413
Non Adjustable 1 /2" (13mm) %" (10mm) 2.8 40 1/2 "NPT (R 1,2,3,4 R5411
Adjustable 1Y2" (38mm) 1 h" (15mm) 5.6 80 1" NPT Male or Female 1,2,4 R5418
Adjustable 1 (38mm) ;{," (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 .
171
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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 life and property for over80 years, and are installed and serviced by the most highly qualified
and reputable sprinkler contractors located throughout the United States, Canada and foreign countries.
Manufactured by in Recycled
The Reliable Automatic Sprinkler Co., Inc. t.. Paper
Im
(800) 431 -1588 Sales Offices
v ; R (800) 848 -6051 Sales Fax Revision lines indicate updated or new data.
(914) 668 -3470 Corporate Offices
www.rellablesprinkler corn Internet Address EG Printed in USA 06/02 P/N 9999970150