Safety Technology International STI Break Glass Stopper Data Sheet
FIRE PRODUCTS
STI BREAK GLASS
®
STOPPER
STI-6100
STI-4130
NOTE : Glass is clear — only appears dark for photo purposes.
PRODUCT OVERVIEW
Accepted by many fire marshals, these versions of the world famous STI Stopper II®
are designed for areas where a ”break glass” cover is specified, such as unsupervised
areas. Each device consists of a red polycarbonate cover, mounting frame, a pane of
single-strength clear glass (easily replaced when broken), a glass-breaking bar, screws
and anchors for installation. Gaskets are also available to improve weather resistance.
HOW IT WORKS
Three models are available for fire, the smaller STI-6100, the larger STI-4100 and the
STI-4130 for surface mount; the STI-4130 is the KIT-900-R conduit spacer and the STI4100, the spacer will add two inches of depth and accommodate up to ¾” conduit. A
fourth “generic” model (STI-6700) is available to cover devices other than manual pull
stations. The same size as the STI-6100, it includes a wall mount hanging clip for keys,
etc. This model for non-fire applications simply says, “BREAK GLASS.”
KEY FEATURES
General Information
· Fire alarm remains clearly visible
and accessible.
· Aesthetically appealing.
· Fast, easy installation.
· Accepted by many fire marshals.
Obtain local fire marshal approval
prior to installation.
· Three year guarantee against
breakage of polycarbonate in
normal use.
Design
· Glass replacement is simple.
Suggestion: Order extra panes
with each unit, for immediate
replacement.
Construction
· Housing is molded of tough
polycarbonate material.
Installation
· Typical working properties of
polycarbonate are -40° to 250°F
(-40° to 121°C).
Options
· Gaskets available to improve
weather resistance.
STI Break Glass Stopper
Dimensions and Technical Information
®
MODELS AVAILABLE
STI-4100 Break Glass Stopper - large
ST I-4130 Kit containing both STI-4100 and KIT-900-R
ST I- 6 100 Break Glass Stopper - small
STI- 6700 Break Glass Stopper Keys Under Glass
KIT-08 Replacement break glass tool
KIT-09 Replacement glass for STI-6100
KIT-10 Replacement glass for STI-4100
KIT-67 Replacement glass for STI-6700 - reads “Break
KIT-900- R 2” Conduit Spacer ( red) for STI-4100
KIT-6702
KIT-H19 016 Two tamper wrenches
ST I -12 80 Backplate for STI-4100
STI-3 002 Weather gasket - large*
STI-3 003 Conduit gasket 1/2”
*Gaskets may need to be trimmed prior to installation.
1.66 in.
(42mm)
4.16 in.
(106mm)
Glass”
Tamperproof screw kit
STI-6100 and STI-6700
4.75 in.
(121mm)
3.97 in.
(100mm)
5.41 in.
(137mm)
7 in.
(178mm)
1.5 in.
(38mm)
6.625 in.
(168mm)
ACCESSORIES
Several accessories are available for the Break Glass Stopper.
They include a polycarbonate mounting backplate (recommended
for all installations with irregular mounting surfaces), additional
spacer for stations with greater depth or exposed conduit and
tamperproof screws (STI-4100 only).
NOTE
Local fire marshal approval should be obtained prior to
installation.
WARRANTY
Three year guarantee against breakage of polycarbonate in
normal use.
BACK VIEW
SIDE VIEW
2.43 in.
(62mm)
4.96 in.
(126mm)
6.84 in.
(173 mm)
BACK VIEW
6.25 in.
(159mm)
5.39 in.
(136mm)
STI-4100
9 in.
(229mm)
1.5 in.
(38mm)
8.5 in.
(216mm)
SIDE VIEW
SUB-900-R
2 in.
(51mm)
Printed in U.S.A., © 1987-2020 Safety Technology International, Inc.
10 /17Subject to change without notice.
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