Tyco DPV-1 Manual

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Model DPV-1 Dry Pipe Valve, External Resetting
2-1/2 thru 6 Inch (DN65 thru DN150)
250 psi (17,2 bar)
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 connec-
tions.
• Compact, semi-preassembled or
fully assembled, and easy to operate
valve trim.
• Simple reset procedure through the
elimination of priming water.
Dry pipe sprinkler systems are used in
unheated warehouses, parking ga-
rages, store windows, attic spaces,
loading docks, and other areas ex-
posed to freezing temperatures, where
water filled pipe cannot be utilized.
When set for service, the dry pipe
sprinkler system is pressurized with air
(or nitrogen). The loss of pressure
through an operated automatic sprin-
kler 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 es-
tablishes the minimum required sys-
tem air pressure that includes a safety
factor to help prevent false operations
that might occur due to water supply
fluctuations.
Page 1 of 20
Available End Connections and Sizes
End Connection
Flange x Flange
Flange x Groove
Groove x Groove
Available
N/A Not Available
WARNING
The Model DPV-1 Dry Pipe Valves de-
scribed 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 performance of these de-
vices.
AUGUST, 2007
Nominal Valve Size
2-1/2 Inch 3 Inch
(DN65) (DN80) (DN100)
N/A N/A
N/A N/A
The owner is responsible for maintain-
ing their fire protection system and de-
vices in proper operating condition.
The installing contractor or manufac-
turer should be contacted with any
questions.
4 Inch 6 Inch
(DN150)
TFP1020