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Model JL-17 ESFR Sprinkler

Model JL-17 Sprinkler w/ 
Victaulic® IGS™ Style V9 

Sprinkler Coupling

Model JL-14 ESFR Sprinkler

Model

Nominal K-factor

gpm/psi

1/2

 (L/min/bar

1/2

)

Approvals

Sprinkler Identification 

Number (SIN)

JL-14

14.0 (200)

cULus, FM, VdS, LPCB, 

CNBOP-PIB

RA1812

JL-17

16.8 (240)

cULus, FM, VdS, LPCB, 

CNBOP-PIB

RA1914

Models JL-14  & JL-17 ESFR Pendent Sprinklers

Table A

Features

• 

cULus, VdS, and LPCB listed as an ESFR sprinkler

• 

FM Approved as a quick-response, storage and non-
storage sprinkler

• 

Fusible link operating element

• 

Compact design

Product Description

The Reliable Models JL-14 and JL-17 are Early Suppression
Fast Response (ESFR) Sprinklers with nominal K-factors of 14.0
(200 metric) and 16.8 (240 metric), respectively. The sprinklers 
use a levered fusible alloy solder link in either a 165°F (74°C) 
or a 212°F (100°C) temperature rating. These sprinklers are 
designed to respond quickly to growing fires and will deliver a 
heavy water discharge to “suppress” rather than “control” fires. 

FM Approvals classifies the Model JL-14 and JL-17 as quick-
response sprinklers, storage and non-storage, when used in 
accordance with FM Global Property Loss Prevention Data
Sheets. 

The JL-14 and JL-17 sprinklers are available with 3/4” NPT or
ISO7-1R3/4 (BSPT) threads, and the JL-17 is also available with 
the Victaulic® IGS™ Style V9 Sprinkler Coupling*.

Model JL-14 and JL-17 ESFR sprinklers are designed to be 
shorter and more compact than other ESFR sprinklers, allowing 
greater flexibility with regard to distance from ceilings and 
obstructions.  The JL-14 and JL-17 ESFR sprinklers are also 
less susceptible to damage due to smaller deflector and frame 
design. The lighter JL-14 and JL-17 ESFR sprinklers passed 
rough use and abuse listing tests without plastic protectors

*Note:

 Victaulic® and IGS™ are trademarks of Victaulic 

Company.

www.reliablesprinkler.com

Model JL-14 & JL-17 

ESFR Pendent Sprinklers

175 psi (12 bar) rated

Bulletin 019 June 2020

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