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Bulletin 006 Rev. I_Multilingual
A Residential Flat Concealed
Sprinkler engineered for a
minimum design density
of 0.05 gpm/ft2 with low
gpm requirements.
Features
1. Very low water flow requirements.
2. Cover plate attachment (Plain or Perforated) with
1/2” (13 mm) Total adjustment.
3. Thread-On/Thread-Off or Push-On/Thread Off
cover attachment option.
4. Smooth aesthetic ceiling profile.
5. Available in brass, chrome and black plated or
painted finishes.
Plain Cover Plate
Listings and Approval
1.Listed by Underwriters Laboratories and
certified by UL for Canada (cULus)
UL Listing Categories
Residential Automatic Sprinklers
UL Guide Number
VKKW
Product Description
Model RFC30, RFC43 and RFC49 Concealed Residential
Sprinklers are fast response residential fusible solder link
automatic sprinklers. Residential sprinklers differ from standard
sprinklers primarily in their response time and water distribution
patterns.
Model RFC30, RFC43 and RFC49 sprinklers discharge
water in a hemispherical pattern below the sprinkler deflector.
Residential distribution patterns are higher and generally contain
a finer droplet size than standard sprinkler patterns.
The combination of speed of operation and high discharge
pattern required for residential sprinklers has demonstrated, in
fire testing, an ability for controlling residential fires and thereby
providing significant evacuation time for occupants.
Perforated Cover Plate
The RFC30, RFC43 and RFC49 Sprinklers provide the best
form of fire protection by combining an attractive appearance
and 1/2” (13 mm) of cover adjustment for ease of installation.
The small diameter cover plate is easily and positively attached
and blends into the ceiling, concealing the most dependable fire
protection available, an automatic sprinkler system.
The RFC30, RFC43 and RFC49 are UL Listed Residential
Sprinklers to be installed in the residential portions of any
occupancy in accordance with NFPA 13, 13R and 13D.
The Reliable Automatic Sprinkler Co., Inc., 103 Fairview Park Drive, Elmsford, New York 10523
Bulletin 006 Rev. I_Multilingual
Model RFC30 (SIN RA0611)
Model RFC43 (SIN RA0612)
Model RFC49 (SIN RA0616)
Residential Flat
Concealed Sprinklers
ensure proper, safe installation. The sprinkler is then tightened
into the pipe fitting. When inserting or removing the wrench from
the sprinkler/cup assembly, care should be taken to prevent
damage to the sprinkler. DO NOT WRENCH ON ANY OTHER
PART OF THE SPRINKLER/CUP ASSEMBLY. MODEL RFC30,
RFC43 AND RFC49 CONCEALED SPRINKLERS MUST BE
INSTALLED ONLY WITH 135 °F RATED COVERS.
The RFC30, RFC43 and RFC49 can reduce the need for
precise cutting of drop nipples. The threaded cover plate
assembly can be adjusted without tools to fit accurately against
the ceiling. The fire protection system need not be shut down to
adjust or remove the cover plate assembly.
Application and Installation
The RFC30, RFC43 and RFC49, for residential installations,
use a 165 °F (74 °C) fusible solder link in a tuning fork style
sprinkler frame with a drop-down deflector. This assembly is
recessed into the ceiling and concealed by a flat cover plate.
The cover plate is attached to the skirt, using 135 °F (57 °C)
ordinary temperature classification solder. When the ceiling
temperature rises, the solder holding the cover plate releases the
cover allowing the deflector to drop into position and exposing
the sprinkler inside to ceiling temperature. The subsequent
operation of the solder link opens the waterway and causes the
deflector to drop into position to distribute the discharging water
in a hemispherical pattern below the sprinkler deflector. Any
adjustment of thread engagement between the cover plate and
cup will assure that the drop-down deflector is properly located
below the ceiling. The residential distribution pattern contains
a finer droplet size than a standard sprinkler and the pattern
produces significantly higher wall wetting.
After a 2 5/8 inch diameter hole is cut in the ceiling, the sprinkler
is to be installed with the Model FC Wrench. When installing
a sprinkler, the wrench is first positioned into the sprinkler/
cup assembly and around the hexagonal body of the sprinkler
frame. The Wrench must bottom out against the cup in order to
Note: A leak tight 1/2” NPT (R 1/2) sprinkler joint can be obtained
with a torque of 8-18 ft‑lb (10.8 - 24.4 N‑m). Do not tighten
sprinklers over maximum recommended torque. It may cause
leakage or impairment of the sprinklers.
Cover assemblies provide up to 1/2” (13 mm) of adjustment.
Turn the cover clockwise until the flange is in contact with the
ceiling. For the push-on/thread-off option, the cover assembly
is pushed onto the cup and final adjustment is made by turning
the cover clockwise until the skirt flange makes full contact
with the ceiling. Cover removal requires turning in the counterclockwise direction.
In ceilings that have a plenum space above the
sprinkler, the plenum space may have neutral or negative
pressurization but must not be positively pressurized.
Inspect all sprinklers after installation to ensure that
the gap between the cover plate and ceiling and the 4
slots in the cup are all open and free from any air flow
impediment.
Maintenance
Model RFC30, RFC43 and RFC49 Concealed Sprinklers
Model (SIN)
Thread Size Nominal Orifice
inch (mm)
inch (mm)
RFC 30
(RA0611)
RFC 43
(RA0612)
RFC 49
(RA0616)
1/2”
(15)
21/64
1/2”
(15)
1/2”
(15)
Sprinkler
Temp Rating
°F
°C
CCP Assembly
Temp. Rating
°F
°C
Max. Ambient
Temp.
°F
°C
K-Factor
Max. Pressure
psi (bar)
(8.2)
165
74
135
57
100
38
3.0 (43.2)
175 (12)
3/8
(10)
165
74
135
57
100
38
4.3 (62)
175 (12)
7/16
(11)
165
74
135
57
100
38
4.9 (70.6)
175 (12)
Note: 1 bar = 100 Kpa
RFC 30
Max. Coverage area
ft x ft (m x m)
Max. Spacing
ft (m)
12 x 12 (3.6 x 3.6)
14 x 14 (4.3 x 4.3)
Ordinary Temp. Rating
(165 °F/74 °C)
Flow
gpm (l/min)
Pressure
psi (bar)
12 (3.6)
9 (34.1)
9.0 (0.62)
14 (4.3)
10 (37.8)
11.0 (0.76)
Top of Deflector to Ceiling
inch (mm)
Smooth Ceilings 1/2 to 1 (13 to 25.4)
Beamed Ceilings per NFPA 13D, 13R or
13 installed in beams 1/2 to 1 (13 to 25.4)
For Ceiling types refer to NFPA 13, 13R or 13D
2
Installation
Type
Minimum
Spacing
ft (m)
Concealed
8 (2.4)
RFC 43
Max. Coverage area
ft x ft (m x m)
Max. Spacing
ft (m)
12 x 12 (3.6 x 3.6)
Ordinary Temp. Rating
(165 °F/74 °C)
Flow
gpm (l/min)
Pressure
psi (bar)
12 (3.6)
12 (4.5)
7.8 (0.54)
14 x 14 (4.3 x 4.3)
14 (4.3)
13 (49)
9.1 (0.63)
16 x 16 (4.9 x 4.9)
16 (4.9)
13 (49)
9.1 (0.63)
18 x 18 (5.5 x 5.5)
18 (5.5)
18 (68)
17.5 (1.21)
20 x 20 (6.1 x 6.1)
20 (6.1)
21 (79)
23.8 (1.64)
Top of Deflector to Ceiling
inch (mm)
Smooth Ceilings 1/2 to 1 (13 to 25.4)
Beamed Ceilings per NFPA 13D, 13R or
13 installed in beams 1/2 to 1 (13 to 25.4)
Installation
Type
Minimum
Spacing
ft (m)
Concealed
8 (2.4)
Installation
Type
Minimum
Spacing
ft (m)
Concealed
8 (2.4)
For Ceiling types refer to NFPA 13, 13R or 13D
RFC 49
Max. Coverage area
ft x ft (m x m)
Max. Spacing
ft (m)
12 x 12 (3.6 x 3.6)
Ordinary Temp. Rating
(165 °F/74 °C)
Flow
gpm (l/min)
Pressure
psi (bar)
12 (3.6)
13 (49)
7.0 (0.48)
14 x 14 (4.3 x 4.3)
14 (4.3)
13 (49)
7.0 (0.48)
16 x 16 (4.9 x 4.9)
16 (4.9)
13 (49)
7.0 (0.48)
18 x 18 (5.5 x 5.5)
18 (5.5)
17 (64.3)
12.0 (0.83)
20 x 20 (6.1 x 6.1)
20 (6.1)
20 (75.73)
16.7 (1.14)
Top of Deflector to Ceiling
inch (mm)
Smooth Ceilings 1/2 to 1 (13 to 25.4)
Beamed Ceilings per NFPA 13D, 13R or
13 installed in beams 1/2 to 1 (13 to 25.4)
For Ceiling types refer to NFPA 13, 13R or 13D
should be inspected and the sprinkler system maintained in
accordance with NFPA 25. Do not clean sprinklers with soap
and water, ammonia or any other cleaning fluids. Remove
dust by using a soft brush or gentle vacuuming. Remove any
sprinkler cover plate assembly which has been painted (other
than factory applied) or damaged in any way. A stock of spare
sprinklers should be maintained to allow quick replacement of
damaged or operated sprinklers. Prior to installation, sprinklers
should be maintained in the original cartons and packaging until
used to minimize the potential for damage to sprinklers that
would cause improper operation or non-operation.
135 °F (57 °C). Cover plate assembly shall consist of a brass
cover plate and copper alloy retainer flange allowing a 1/2” cover
plate adjustment. Any secure engagement between the cover
plate and the cup will assure that the drop-down deflector is
properly located below the ceiling. A plastic protective cap
shall be provided and factory installed inside the sprinkler cup
to protect the drop-down sprinkler deflector from damage,
which could occur during construction before the cover plate
is installed. Standard cover finish: [Chrome] [White] [Specialty
– specify]. Residential concealed sprinklers shall be Reliable
Model RFC30, SIN RA0611 (Bulletin 006), Model RFC43, SIN
RA0612 (Bulletin 006) or Model RFC49, SIN RA0616 (Bulletin
006).
Model RFC30, RFC43 and
RFC49 Residential Concealed
Sprinkler Specification
Sprinklers shall be cULus Listed low flow residential
concealed sprinklers with drop-down deflector and adjustable
flat cover plate engineered for a minimum design density of
0.05 gpm/ft2. Sprinkler frame and deflector shall be of bronze
frame construction having a 1/2” NPT thread. Thermal element
shall consist of an approved black-painted beryllium-nickel
fusible solder link with symmetric lever mechanism, maintaining
a Teflon-coated Belleville spring washer and machined brass
cap water seal assembly containing no plastic parts. Sprinkler
K-factor shall be nominal 3.0 (43.2), 4.3 (62) and 4.9 (70.6)
having a 5/16”, 3/8” and 7/16” orifice. Temperature rating shall be
Ordinary 165 °F (74 °C); cover plate temperature rating to be
3
Other finishes and colors are
available on special order.
Consult factory for details.
Coverplate custom paint is
semi-gloss, unless specified
otherwise.
(2)
For the perforated style
coverplate, consult factory for
availability on these and other
custom finishes.
(1)
Ordering Information
Specify:
1. Sprinkler Model
2. Cover Plate Finish
3. Thread-On or Push-On Feature
Cover Plate Finishes(1)
Standard Finishes
Chrome
White Paint
Special Application Finishes(2)
Bright Brass
Finished Bronze
Black Plating
Black Paint
Off White
Satin Chrome
1” x 1/2” REDUCING
TEE OR BELOW
2 5/8” (66.55 mm)
HOLE IN CEILING
2 5/16” (58.42 mm) DIA.
CUP
2” (50.8 mm) MAX FACE
OF FITTING TO FACE OF
CEILING DIMENSION
1/2” (12.7 mm) MAX
COVER ADJUSTMENT
1/2” (12.7 mm) MIN TO 1” (25.4 mm)
MAX DROPPED DEFLECTOR TO
CEILING COVER ADJUSTMENT
CEILING
CEILING
3/16” (4.96 mm)
3 5/16” (84.21 mm) DIA.
FLAT COVER PLATE ASSEMBLY
SPRINKLER
COVER PLATE: 1/2” (12.7 mm) ADJUSTMENT
006FG01C
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 90 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
The Reliable Automatic Sprinkler Co., Inc.
(800) 431-1588
Sales Offices
(800) 848-6051
Sales Fax
(914) 829-2042
Corporate Offices
www.reliablesprinkler.com
Internet Address
Recycled
Paper
Revision lines indicate updated or new data.
EG. Printed in U.S.A. 11 /14
P/N 9999970261