Reliable RFC43 Manuale utente

The Reliable Automatic Sprinkler Co., Inc., 103 Fairview Park Drive, Elmsford, New York 10523

Bulletin 006 Rev. E

Model RFC43 (SIN RA0612)

Model RFC49 (SIN RA0616)

Residential Flat Concealed

Sprinklers

A Residential Flat Concealed

Sprinkler engineered for a minimum

design density of 0.05 gpm/ft2with

low GPM requirements.

Features

Very low water flow requirements.

½” (13mm) Total adjustment.

Thread-On/Thread-Off or Push-On/Thread

Off cover attachment option.

Smooth aesthetic ceiling profile.

Available in brass, chrome and black plated

or painted finishes.

Listings & Approval

Listed by Underwriters Laboratories, and

certified by UL for Canada (cULus)

NYC MEA 258-93-E

UL Listing Categories

Residential Automatic Sprinklers

UL Guide Number

VKKW

Product Description

Model RFC43 and RFC49 Concealed Residential Sprin-

klers are fast response residential fusible solder link au-

tomatic sprinklers. Residential sprinklers differ from stan-

dard sprinklers primarily in their response time and water

distribution patterns.

Model 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 pat-

terns.

The combination of speed of operation and high dis-

charge pattern required for residential sprinklers has dem-

onstrated, in fire testing, an ability for controlling residen-

tial fires, and thereby providing significant evacuation time

for occupants.

The RFC43 and RFC49 Sprinklers provide the best form

of fire protection by combining an attractive appearance

and ½” (13mm) of cover adjustment for ease of installa-

tion. The small diameter cover plate is easily and posi-

tively attached and blends into the ceiling, concealing the

most dependable fire protection available, an automatic

sprinkler system.

The RFC43 and RFC49 are UL Listed Residential Sprin-

klers to be installed in the residential portions of any occu-

pancy in accordance with NFPA 13, 13R, & 13D.

The RFC43 and RFC49 can reduce the need for precise

cutting of drop nipples. The threaded cover plate assem-

bly 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 RFC43 and RFC49, for residential installations, use a

165°F (74°C) fusible solder link in a tuning fork style sprin-

kler frame with a drop-down deflector. This assembly is re-

cessed 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 ceil-

ing temperature rises, the solder holding the cover plate

releases the cover allowing the deflector to drop into posi-

tion and exposing the sprinkler inside to ceiling tempera-

ture. The subsequent operation of the solder link opens

the waterway and causes the deflector to drop into posi-

tion 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 con-

tains a finer droplet size than a standard sprinkler, and the

pattern produces significantly higher wall wetting.

After a 25/8inch 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 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 RFC43 AND

RFC49 CONCEALED SPRINKLERS MUST BE INSTALLED

ONLY WITH 135°F RATED COVERS.

Note: A leak tight ½” NPT (R1/2) sprinkler joint can be ob-

tained with a torque of 8-18 ft-lbs (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” (13mm) of adjust-

ment. Turn the cover clockwise until the flange is in con-

tact with the ceiling. For the push-on/thread-off option, the

cover assembly is pushed onto the cup and final adjust-

ment is made by turning the cover clockwise until the skirt

flange makes full contact with the ceiling. Cover removal

requires turning in the counter-clockwise direction.

In ceilings that have a plenum space above the sprinkler,

the plenum space may have neutral or negative pressur-

ization 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.

Temperature Rating

Sprinkler Cover Plate Max. Ambient Temp.

165°F/74°C 135°F/57°C 100°F/38°C

Installation Data: RFC43 (SIN RA0612)

Thread

Size

inch (mm)

K Factor

Sprinkler

Spacing

ft. (m)

Maximum

Distance to

Wall

ft. (m)

Minimum

Distance between

sprinklers

ft. (m)

Minimum Required

Sprinkler Discharge

Flow

gpm (Lpm)

Press.

psi (bar)

½” (15mm)

4.3

12 x 12 (3.6x3.6)

14 x 14 (4.3x4.3)

16 x 16 (4.9x4.9)

18 x 18 (5.5x5.5)

20 x 20 (6.0x6.0)

6 (1.83)

7 (2.13)

8 (2.43)

9 (2.74)

10 (3.05)

8 (2.43)

12 (45)

13 (49)

18 (68)

21 (79)

7.8 (0.54)

9.1 (0.63)

17.5 (1.21)

23.8 (1.64)

Note: 1 bar = 100 Kpa

Installation Data: RFC49 (RA0616)

Thread

Size

inch (mm)

K Factor

Sprinkler

Spacing

ft. (m)

Maximum

Distance to

Wall

ft. (m)

Minimum

Distance between

sprinklers

ft. (m)

Minimum Required

Sprinkler Discharge

Flow

gpm (Lpm)

Press.

psi (bar)

½” (15mm)

4.9

12 x 12 (3.6x3.6)

14 x 14 (4.3x4.3)

16 x 16 (4.9x4.9)

18 x 18 (5.5x5.5)

20 x 20 (6.0x6.0)

6 (1.83)

7 (2.13)

8 (2.43)

9 (2.74)

10 (3.05)

8 (2.43)

13 (49)

17 (64.3)

20 (75.7)

7.0 (0.48)

12.0 (0.83)

16.7 (1.14)

Note: 1 bar = 100 Kpa

FOR SLOPED CEILING APPLICATIONS SEE RASCO BULLETIN 035.

Maintenance

Model RFC43 and RFC49 Concealed Sprinklers should

be inspected quarterly and the sprinkler system main-

tained in accordance with NFPA 25. Do not clean sprin-

klers with soap and water, ammonia or any other clean-

ing 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.

Model RFC43 and RFC49 Residential

Concealed Sprinkler Speciﬁcation

Sprinklers shall be cULus Listed low flow residential con-

cealed sprinklers with drop-down deflector and adjust-

able 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 ½” 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 4.3 (62.4), having a 7/16” orifice.

Temperature rating shall be Ordinary 165°F (74°C); cover

plate temperature rating to be 135°F (57°C). Cover plate

assembly shall consist of a brass cover plate and copper

alloy retainer flange allowing a ½” cover plate adjust-

ment. 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 deflec-

tor from damage, which could occur during construction

before the cover plate is installed. Standard cover fin-

ish: [Chrome] [White] [Specialty – specify]. Residential

concealed sprinklers shall be Reliable Model RFC43,

SIN RA0612 (Bulletin 006) or Model RFC49, SIN RA0616

(Bulletin 006).

Ordering Information

Specify:

Sprinkler Model

Cover Plate Finish

Thread-On or

Push-On Feature

Cover Plate Finishes (1)

Standard Finishes

Chrome

White

Special Application

Finishes

Bright Brass

Black Plating

Black Paint

Off White

Satin Chrome

(1) Other colors and finishes avail-

able. Consult factory for details.

Note: Paint or any other coatings

applied over the factory finish will

void all approvals and warran-

ties.

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

Manufactured by

Recycled

Paper

Revision lines indicate updated or new data.

EG. Printed in U.S.A 04/10 P/N 9999970261

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.

Productsmanufactured 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.

Automatic sprinklers

Flush automatic sprinklers

Recessed automatic sprinklers

Concealed automatic sprinklers

Adjustable automatic sprinklers

Dry automatic sprinklers

Intermediate level sprinklers

Open sprinklers

Spray nozzles

Alarm valves

Retarding chambers

Dry pipe valves

Accelerators for dry pipe valves

Mechanical sprinkler alarms

Electrical sprinkler alarm switches

Water flow detectors

•

Deluge valves

Detector check valves

Check valves

Electrical system

Sprinkler emergency cabinets

Sprinkler wrenches

Sprinkler escutcheons and guards

Inspectors test connections

Sight drains

Ball drips and drum drips

Control valve seals

Air maintenance devices

Air compressors

Pressure gaugesIdentification signs

Fire department connection

•

Reliable offers a wide selection of sprinkler components. Following are some of the many

precision-made Reliable products that guard life and property from fire around the clock.

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