Model DPV-1 Dry Pipe Valve
External Resetting
General
Description
The TYCO Model DPV-1 Dry Pipe
Valves are differential valves used to
automatically control the flow of water
into dry pipe fire protection sprinkler
systems upon operation of one or more
automatic sprinklers. The DPV-1 also
provides for actuation of fire alarms
upon system operation. The Model
DPV-1 features are as follows:
• External reset.
• 250 psi (17,2 bar) pressure rating.
• Unique offset single clapper design
enabling a simple compact valve to
minimize installation labor.
• Ductile iron construction to ensure
a lightweight valve to minimize ship-
ping cost.
• A variety of inlet and outlet
connections.
• Compact, Pre-Trimmed, and Semi-
Assembled, easy to operate valve
trim.
• Simple reset procedure through the
elimination of priming water.
Dry pipe sprinkler systems are used
in unheated warehouses, parking
garages,
store
windows,
spaces, loading docks, and other
areas exposed to freezing tempera-
tures, where water filled pipe cannot
be utilized. When set for service, the
dry pipe sprinkler system is pressur-
ized with air (or nitrogen). The loss of
pressure through an operated auto-
matic sprinkler in response to heat
from a fire permits the DPV-1 Dry
Pipe Valve to open and allow a flow of
water into the sprinkler system piping.
Table B establishes the minimum
required system air pressure that
includes a safety factor to help prevent
false operations that might occur due
to water supply fluctuations.
IMPORTANT
Refer to Technical Data Sheet
TFP2300 for warnings pertaining to
regulatory and health information.
Page 1 of 20
End Connection
Flange x Flange
Flange x Groove
Groove x Groove
• = Available
N/A = Not Available
NOTICE
attic
The Model DPV-1 Dry Pipe Valves
described herein must be installed
and maintained in compliance with
this document, as well as with the
applicable standards of the National
Fire Protection Association, in addition
to the standards of any other authori-
ties having jurisdiction. Failure to do so
may impair the performance of these
devices.
The owner is responsible for main-
taining their fire protection system
and devices in proper operating con-
dition. Contact the installing contrac-
tor or product manufacturer with any
questions.
Technical Data
Approvals
UL and C-UL Listed
FM Approved
NYC Approved
MAY 2020
Worldwide
Contacts
Available Sizes and End Connections
Nominal Valve Size
2-1/2 in.
3 in.
(DN65)
(DN80)
N/A
N/A
N/A
N/A
•
•
Dry Pipe Valve
The TYCO Model DPV-1 Dry Pipe
Valves shall be installed in the verti-
cal orientation only (supply at bottom
flowing upward) and are rated for use at
a maximum service pressure of 250 psi
(17,2 bar). Valve and trim dimensions
are shown in Figure 6.
Flanged connections are available and
drilled per ANSI, ISO, AS, and JIS spec-
ifications, see Table A. The grooved
outlet connections, as applicable, are
cut in accordance with standard groove
specifications for steel pipe. They are
suitable for use with grooved end pipe
couplings that are listed or approved
for fire protection system service.
Available combinations of inlet and
outlet connections are described in
the Ordering Procedure section and in
the Available End Connection and Sizes
table on page 1.
Trim port connections of valves having
flanges drilled to ANSI, AS, or JIS spec-
www.tyco-fire.com
4 in.
6 in.
(DN100)
(DN150)
•
•
•
•
•
•
TFP1020
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