Reliable F1-42 Series Manuel

F1-42 Series Sprinklers Summary

Sprinkler

Model

K-Factor gpm/psi1/2

(lpm/bar1/2)Orientation Listings & Approvals Max. Working Pressure

psi (bar)

Sprinkler

Identication

Number (SIN)

F1-42 4.2 (60)

Upright

cULus

175 (12) RA1323

Pendent 175 (12) RA1313

Table A

Model F1-42 Pendent

Model F1-42 Upright

Features

• Standard coverage standard-response sprinklers

• Upright and pendent deflectors

• Low prole, compact design

• Available in a wide variety of nishes

Product Description

Reliable Model F1 series sprinklers are standard-response

standard spray automatic re sprinklers utilizing a 5.0 mm glass

bulb thermal element.

Pendent and horizontal sidewall sprinklers may be installed

exposed or surface mounted using escutcheons such as the

Reliable Models B, C, or HB (reference Technical Bulletin 204).

When installed recessed, the Model F1-42 series sprinklers

are specically listed with and may only be installed with listed

Reliable escutcheons. Refer to the technical information on the

following pages for specic listings for recessed installations and

refer to Figure 3 for dimensional information.

When tted with an approved water shield, these sprinklers may

considered intermediate sprinklers for use in racks, below grated

walkways, and other areas where intermediate level sprinklers are

required.

Table A provides a summary of the approvals and availability of

specic Model F1-42 series sprinkler congurations. Additional

technical information for each sprinkler model is provided on the

following pages.

Note: This bulletin may contain information on New and Legacy

sprinklers that reflects a dimensional change only. Sprinkler

Identication Number (SIN), application, performance, and

listings/approval are not otherwise affected. Sprinklers with new

frames can be identied by a rotoclip indent on one side of the

wrench boss and in some cases an installed rotoclip. Sprinklers

with new frames will include the sufx “N” in the order. For

reference only, legacy version of this sprinkler can be found on

Technical Bulletin 014.

www.reliablesprinkler.com

K-factor 4.2 (60)

F1-42 Series

Standard-Response Sprinklers

Bulletin 067 April 2021

Model F1-42 Upright Sprinkler SIN RA1323

Technical Specications

Style: Upright

Threads: 1/2” NPT or ISO 7-R1/2

Nominal K-Factor: 4.2 (60)

Max. Working Pressure: 175 psi (12 bar)

Material Specications

Thermal Sensor: 5.0mm Glass Bulb

Sprinkler Frame: Brass Alloy

Cap: Bronze Alloy

Sealing Washer: Nickel with PTFE

Load Screw: Copper Alloy

Deflector: Brass Alloy

Sprinkler Finishes

(See Table B)

Sensitivity

Standard Response

Temperature Ratings

135°F (57°C)

155°F (68°C)

175°F (79°C)

200°F (93°C)

286°F (141°C)*

360°F (182°C)

500°F (260°C)

Guards & Shields (New Frames)

F-1 Guard Kit

F-3 Guard/Shield Kit

Guards & Shields (Legacy Frames)

D-1 Guard

Sprinkler Wrenches

Model W2

Model J (New frame with guard installed)

Model JD (Legacy frame with guard

installed)

Listings and Approvals

cULus

Model F1-42 Upright Sprinkler Components and Dimensions Figure 1

Bulletin 067

April 2021

Page 2 of 6

www.reliablesprinkler.com

Model F1-42 Pendent Sprinkler SIN RA1313

Technical Specications

Style:

Pendent

Recessed Pendent

Threads: 3/4” NPT or ISO 7-R3/4

Nominal K-Factor: 4.2 (60)

Max. Working Pressure: 175 psi (12 bar)

Material Specications

Thermal Sensor: 5.0mm Glass Bulb

Sprinkler Frame: Brass Alloy

Cap: Bronze Alloy

Sealing Washer: Nickel with PTFE

Load Screw: Copper Alloy

Deflector: Brass Alloy

Sprinkler Finishes

(See Table B)

Sensitivity

Standard Response

Temperature Ratings(1)

135°F (57°C)

155°F (68°C)

175°F (79°C)

200°F (93°C)

286°F (141°C)

360°F (182°C)

500°F (260°C)

Recessed Escutcheons

Model F1

Model F2

Model FP

Guards & Shields (New Frames)(2)

F-7 Guard Kit

F-8 Guard/Shield Kit

Guards & Shields (Legacy Frames)(2)

D-1 Guard

Sprinkler Wrenches

Model W2 (pendent)

Model W4 (recessed)

Model J (New frame with guard installed)

Model JD (Legacy frame with guard

installed)

Listings and Approvals

cULus

Notes:

1. 286°F (141°C) and higher temperature rated sprinklers not listed for recessed use.

2. Not suitable for recessed pendent installations.

Model F1-42 Pendent Sprinkler Components and Dimensions Figure 2

Bulletin 067

April 2021

Page 3 of 6

www.reliablesprinkler.com

Note: Please refer to Figure 3 for recessed installation.

Recessed Installation: Pendent Sprinklers Figure 3

FP Escutcheon

F1 Escutcheon

(F2 similar)

Bulletin 067

April 2021

Page 4 of 6

www.reliablesprinkler.com

Installation

Model F1 Series sprinklers must be installed in accordance with

NFPA13 and the requirements of all applicable authorities having

jurisdiction. Model F1 Series sprinklers must be installed with the

Reliable sprinkler installation wrench identied in this Bulletin. Any

other wrench may damage the sprinkler. A leak tight sprinkler joint

can be obtained with a torque of 8 to 18 lb-ft (11 to 24 N-m). Do

not tighten sprinklers over the maximum recommended installation

torque. Exceeding the maximum recommended installation torque

may cause leakage or impairment of the sprinkler.

Glass bulb sprinklers have orange bulb protectors or protective

caps to minimize bulb damage during shipping, handling and

installation. Reliable sprinkler installation wrenches are designed

to install sprinklers with bulb protectors in place. Remove the bulb

protector at the time when the sprinkler system is placed in service

for re protection. Removal of the bulb protector before this time

may leave the bulb vulnerable to damage. Remove bulb protectors

by undoing the clasp by hand. Do not use tools to remove bulb

protectors.

Standard Finishes Special Application Finishes

Sprinkler F1, F2 and FP(3)

Escutcheons Sprinkler F1, F2 and FP(3)

Escutcheons

Bronze Brass Electroless Nickel PTFE(4) Bright Brass

Chrome Plated Chrome Plated Bright Brass(5) Black Plated

White Polyester(4) White Polyester Black Plated Black Paint

Black Paint Off White

Off White Chrome Dull

Chrome Dull

Notes:

1. Other nishes and colors are available on special order. Consult your Reliable sales representative for details.

2. Paint or any other coating applied over the factory nish will void all approvals and warranties.

3. The Model FP assembly consists of a sprinkler mounted in a galvanized steel cup with a nished trim ring or cover plate.

4. cULus Listed as corrosion resistant.

5. For 200°F (93°C) maximum temperature rated sprinklers only.

Finishes(1)(2) Table B

Wrenches

Model W2 (upright, pendent) Model W4 (recessed pendent)

Model J (New frame with guard installed)

Maintenance

Reliable Model F1 series sprinklers should be inspected and the

sprinkler system maintained in accordance with NFPA 25, as well

as the requirements of any Authorities Having Jurisdiction.

Prior to installation, sprinklers should remain in the original

cartons and packaging until used. This will minimize the potential

for damage to sprinklers that could cause improper operation or

non-operation.

Do not clean sprinklers with soap and water, ammonia liquid or

any other cleaning fluids. Remove dust by gentle vacuuming

without touching the sprinkler.

Replace any sprinkler which has been painted (other than factory

applied). A stock of spare sprinklers should be maintained to

allow quick replacement of damaged or operated sprinklers.

Failure to properly maintain sprinklers may result in inadvertent

operation or non-operation during a re event.

Model JD (Legacy frame with guard installed)

Bulletin 067

April 2021

Page 5 of 6

www.reliablesprinkler.com

Bulletin 067

April 2021

Page 6 of 6

www.reliablesprinkler.com

Guarantee

For the guarantee, terms, and conditions, visit www.

reliablesprinkler.com.

Ordering Information

Specify the following when ordering:

Model

• F1-42

Deflector/Orientation

• Upright

• Pendent

• Pendent - FP

Temperature Rating

• See sprinkler technical specications

Sprinkler Finish

• See Table B

Recessed Escutcheon*

• F1

• F2

• FP

Escutcheon Finish

• See Table B

Sprinkler Wrench

• Model W2 (upright and pendent)

• Model W4 (recessed)

• Model J (New frame with guard installed)

• Model JD (Legacy frame with guard installed)

*Note: 286°F (141°C) and higher temperature rated sprinklers

are not listed to be used recessed.

P/N 9999970619

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