General
Description
The Series DS-2, 11.2 K-factor, Stand-
ard Response (5 mm Bulb) and Quick
Response (3 mm Bulb), Standard Cov-
erage, Dry
Type
Sprinklers
are
decorative glass bulb automatic sprin-
klers designed for the following typical
uses:
•
where pendent sprinklers are re-
quired on dry pipe systems that
are exposed to freezing tempera-
tures (e.g. sprinkler drops from un-
heated portions of buildings)
•
where sprinklers and/or a portion
of the connecting piping may be
exposed to freezing temperatures
(e.g. sprinkler drops from wet sys-
tems into freezers)
WARNINGS
The Series DS-2 Dry Type 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 Pro-
tection Association, in addition to the
standards of any other authorities hav-
ing jurisdiction. Failure to do so may
impair the integrity of these devices.
The owner is responsible for maintain-
ing their fire protection system and de-
vices in proper operating condition.
The installing contractor or sprinkler
manufacturer should be contacted
relative to any questions.
The Series DS-2 Dry Type Sprinklers
must only be installed in fittings that
meet the requirements of the Design
Criteria section.
Model/Sprinkler
Identification
Numbers
TY5255 - (Standard Response)
TY5235 - (Quick Response)
Technical
Data
Approvals
UL and C-UL Listed.
(Refer to Table A)
Maximum Working Pressure
175 psi (12,1 bar)
Inlet Thread Connection
1 inch NPT (Standard Order)
ISO 7-R1
*Discharge Coefficient
Refer to Table B
Temperature Ratings
Refer to Table A
Finishes
Sprinkler : Natural Brass, Chrome
Plated, White Polyester
Escutcheon: White Coated, Chrome
Plated, Brass Plated
Physical Characteristics
Inlet . . . . . . . . . . . . .
Copper
Yoke . . . . . . . . . Stainless Steel
Casing . . . Galvanized Carbon Steel
Insert
. . . . . . . . . . . . . Bronze
Bulb Seat . . . . . . . . . . . Bronze
Bulb . . . . . . . . . . . . . .
Glass
Compression Screw
. . . . . Bronze
Deflector . . . . . . . . . . . . Bronze
Frame . . . . . . . . . . . . . Bronze
Guide Tube . . . . . Stainless Steel
Water Tube
. . . . . Stainless Steel
Spring . . . . . . . . Stainless Steel
Plug
. . . . . . . . . . . . . Copper
Sealing Assembly . . . . . . . . . .
. . . . . . Beryllium Nickel w/Teflon*
Pin . . . . . . . . . . Stainless Steel
Button Spring
. . . . Stainless Steel
Helper Spring . . . . Stainless Steel
Escutcheon
. . . . . . Carbon Steel
Patents
U.S.A. Patent Number 5,188,185 may
be applicable to the Series DS-2, 11.2
K-factor, Standard and Quick Re-
sponse, Standard Coverage, Dry Type
Sprinklers.
Page 1 of 6
TFP530
FEBRUARY, 2002
Series DS-2 — 11.2 K-factor*
Dry Type Sprinklers
Standard & Quick Response, Standard Coverage
Technical Services:
Tel: (800) 381-9312 / Fax: (800) 791-5500
* Registered Trademark of DuPont
Customer Service/Sales:
Tel: (215) 362-0700 / (800) 523-6512
Fax: (215) 362-5385
TFP530 (5-11.1)
OBSOLETE
