Series DS-1 Dry-Type Sprinklers
5.6K Pendent, Upright, and Horizontal Sidewall
Quick Response, Standard Coverage
Page 1 of 10
NOVEMBER 2019
TFP510
IMPORTANT
Refer to Technical Data Sheet
TFP2300 for warnings pertaining to
regulatory and health information.
Always refer to Technical Data
Sheet TFP700 for the “INSTALLER
WARNING” that provides cautions
with respect to handling and instal-
lation of sprinkler systems and com-
ponents. Improper handling and
installation can permanently damage
a sprinkler system or its compo-
nents and cause the sprinkler to fail
to operate in a fire situation or cause
it to operate prematurely.
Worldwide
Contacts
www.tyco-fire.com
authorities having jurisdiction. Failure
to do so may impair the performance
of these de vices.
The owner is responsible for maintain
ing their fire protection system and
de vices in proper operating condi
tion. Contact the installing contrac
tor or product manufacturer with any
questions.
The Series DS1 DryType Sprinklers
must only be installed in fittings that
meet the requirements of the Design
Criteria section.
Sprinkler
Identification
Numbers (SINs)
3/4 in. NPT:
TY3935 – Pendent
TY3735 – Horizontal Sidewall
1 in. NPT:
TY3235 – Pendent
TY3135 – Upright
TY3335 – Horizontal Sidewall
Technical
Data
Approvals
UL and C-UL Listed
FM Approved
NYC Approved under MEA 352-01-E
Previous New York City Approval and
MEA certification numbers apply to
product as shown in this data sheet.
In accordance with Section BC 3502
of the Construction Code, current NYC
Approvals for use in the City of New
York apply to all products that contain
UL or FM Approvals and Listings;
therefore, not all products currently
Approved for use in the City of New
York will carry an actual MEA Certifi-
cation number.
See Tables A and B.
Maximum Working Pressure
175 psi (12,1 bar)
Inlet Thread Connections
3/4 in. NPT
1 in. NPT or ISO 7-R 1
Discharge Coefficient
K=5.6 gpm/psi
½
(80,6 lpm/bar
½
)
General
Description
TYCO Series DS-1 Dry-Type Sprinklers,
5.6K Pendent, Upright, and Horizontal
Sidewall, Quick Response (3 mm bulb)
and Standard Coverage are decora-
tive glass bulb automatic sprinklers
de signed for commercial use. Dry-type
sprinklers are typically used where:
• pendent sprinklers are re
quired
on dry pipe systems that are
exposed to freezing temperatures
for example, sprinkler drops from
unheated portions of buildings
• sprinklers and/or a portion of the
connecting piping are exposed to
freezing temperatures; for example,
sprinkler drops from wet sys tems
into freezers, sprinkler sprigs from
wet systems into unheated attics, or
horizontal piping extensions through
a wall to protect an unheated areas
such as loading docks, overhangs,
and building exteriors
• sprinklers are used on systems that
are seasonally drained to avoid
freezing for example, vacation areas
NOTICE
The Series DS1 DryType Sprinklers
described herein must be installed
and maintained in compliance with this
document, as well as with the applica
ble standards of the NATIONAL FIRE
PROTECTION ASSOCIATION (NFPA),
in addition to the standards of any
Temperature Ratings
See Tables A and B
Finishes
Sprinkler: Natural Brass, Chrome Plated,
or Signal White
Escutcheon: Signal White, Chrome Plated,
or Brass Plated
Physical Characteristics
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Copper
Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . Copper
Yoke . . . . . . . . . . . . . . . . . . . . . . . Stainless Steel
Casing . . . . . . . . . . . . . Galvanized Carbon Steel
Insert . . . . . . . . . . . . . . . . . . . . . . . . . . . Bronze
Bulb Seat . . . . . . . . . . . . . . . . . . . Stainless Steel
Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glass
Compression Screw . . . . . . . . . . . . . . . . .Bronze
Deflector . . . . . . . . . . . . . . . . . . . . . . . . . Bronze
Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bronze
Guide Tube . . . . . . . . . . . . . . . . . Stainless Steel
Water Tube . . . . . . . . . . . . . . . . . Stainless Steel
Spring . . . . . . . . . . . . . . . . . . . . . Stainless Steel
Plug Spring* . . . . . . . . . . . . . . . . Stainless Steel
Sealing Assembly . Beryllium Nickel w/TEFLON
Escutcheon . . . . Carbon Steel or Stainless Steel
* For 3/4 in. NPT only