Senju Sprinkler FR-QR Manual

SENJU SPRINKLER CO., LTD.
Upright, Pendent, Recessed Pendent Sprinkler
Quick Response, Standard Coverage,
Model FR-QR K-Factor: 5.6
SIN: SS2551, SS2552
GENERAL DESCRIPTION
The Model FR-QR 5.6 (80.6 LPM/bar
automatic sprinklers. The Model FR-QR sprinklers are quick response standard coverage and are designed for use in light or
ordinary hazard commercial occupancies.
They are to be installed per NFPA 13 guidelines.
The Model FR-QR Recessed Pendent Sprinkler is intended for use in areas with a finished ceiling, where applicable. This
sprinkler can be used with our two-piece escutcheons to achieve the following results:
A D1 Recessed Escutcheon (two-piece) provides a total adjustment of 1/2 inch (12.7 mm).
A D2 Recessed Escutcheon (two-piece) provides a total adjustment of 3/4 inch (19.1 mm).
WARNINGS
The Model FR-QR must be installed and maintained in accordance with the rules stated herein as well as in
compliance with the applicable standards of the National Fire Protection Association regulations and the standards of
any other authorities having jurisdiction.
In the event of this condition, consult the authorities having jurisdiction for guidance and approval.
Failure to do so may impair the integrity of these devices.
It is the responsibility of the installing contractor to provide a copy of this document to the owner or their
representative, and in turn, it is the obligation of the owner to provide a copy of this document to a succeeding owner.
The owner is responsible for maintaining their fire protection system and devices in proper operating condition. The
installing contractor or sprinkler manufacturer should be contacted with any related questions.
TECHNICAL DATA
Approvals: UL Listed, FM Approved, Refer to TABLE A
c us
Sprinkler Identification Number (SIN): SS2551, SS2552, Refer to TABLE A
Maximum Working Pressure: 175psi (12.1bar)
Discharge Coefficient (Nominal K-Factor): K=5.6 GPM/psi
Temperature Rating: Refer to TABLE A
Finishes
Sprinkler: Natural Brass, White Painted, Black Painted, Chrome Plated
Recessed Escutcheon: Brass Plated, White Painted, Black Painted, Chrome Plated
1/2
) K-factor, Upright, Pendent and Recessed Pendent Sprinklers are fusible link type
1/2
(80.6 LPM/bar
1/2
)
Document No.U086951
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Page 1 of 9
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Date Jan/11/2019