SPRINKLER GUARD & GUARD WITH SHIELD
FOR USE WITH MODEL A SPRINKLERS
MODELS F938 & F938/Q-76
GENERAL DESCRIPTION
The Model F938 Sprinkler Guard (Ref.
Figure A-1) is designed for use with
Model A Sprinklers that may be lo-
cated in an area that makes them sus-
ceptible to being accidentally struck.
Table A provides the specific types of
Model A Sprinklers with which the
F938 is compatible.
The Model F938/Q-76 Sprinkler Guard
with Shield (Ref. Figure A-2), in addi-
tion to providing protection from physi-
cal damage, shields the sprinkler from
water spray of higher elevation sprin-
klers (e.g., rack storage sprinkler in-
stallations). When the F938/Q-76 is
used with the Model A Sprinklers
shown in Table A, the assemblies form
Upright Intermediate Level Sprinklers
intended for use in fire sprinkler sys-
tems designed in accordance with the
standard installation rules recognized
by the applicable Listing agency (i.e.,
UL Listing is based on NFPA require-
ments).
APPROVALS AND STANDARDS
The Model F938 Sprinkler Guard and
Model F938/Q-76 Sprinkler Guard with
Shield are listed by Underwriters
Laboratories Inc. (UL) and Underwrit-
ers’ Laboratories Inc. for use in Can-
ada (C-UL), as well as approved by
Factory Mutual Research Corporation
(FM), for use with the Model A Sprin-
klers shown in Table A.
WARNING
The Model F938 Sprinkler Guard and
Model F938/Q-76 Sprinkler Guard
with Shield described herein must be
installed and maintained in compli-
ance with this document, as well as
with the applicable standards of the
National Fire Protection Association,
in addition to the standards of any
other authorities having jurisdiction.
Failure to do so may impair the integ-
rity of these devices.
The owner is responsible for main-
taining their fire protection system
and devices in proper operating con-
dition. The installing contractor or
manufacturer should be contacted
relative to any questions.
TECHNICAL DATA
The Model F938 Sprinkler Guard and
Model F938/Q-76 Sprinkler Guard with
Shield are available with either a
painted red or zinc chromate finish.
They are fabricated from low carbon
steel components. The eight Rods
comprising the guard and the Clips are
formed from 0.105 inch (2,7 mm) di-
ameter wire. The Rods are welded to
the guard at the Base and Tip. The
Q-76 Shield used with the F938/Q-76
is factory assembled to
the F938
Guard with a zinc chromated steel
Screw which is secured in position with
an adhesive.
NOTE
In accordance with the requirements
of the NFPA, sprinkler guards shall
be listed. Guards are only listed for
use with specified sprinklers; there-
Printed in U.S.A. 2-00
TD887
FIGURE A-1
MODEL F938 SPRINKLER GUARD
(Shown With 1/2 Inch Orifice
Model A Pendent Sprinkler)
FIGURE A-2
MODEL F938/Q-76 SPRINKLER GUARD WITH SHIELD
(Shown With 1/2 Inch Orifice
Model A Upright Sprinkler)
OBSOLETE
