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tL�CO Fire & Building Products Technical Services:Tel:(800)381-9312/Fax:(800)791-5500 Model DPV-1 Dry Pipe Valve, External Resetting 2-112 thru 61nch (DN65 thru DN150) 250 psi (17,2 bar) General Description �- The Tyco@ Model DPV-1 Dry Pipe Valves are differential valves used to 16 automatically control the flow of water - into dry pipe fire protection sprinkler t_ systems upon operation of one or more automatic sprinklers.The DPV-1 t 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- Available End Connections and Sizes tions. Nominal Valve Size • Compact, semi-preassembled Or End Connection 2-1/2 Inch 3 Inch 4 Inch 6 Inch fully assembled,and easy to operate (DN65) (DN80) (DN100) (DN150) valve trim. • Simple reset procedure through the Flange x Flange N/A N/A • • elimination of priming water. Dry pipe sprinkler systems are used in Flange x Groove N/A N/A • • unheated warehouses, parking ga- rages, store windows, attic spaces, Groove x Groove • • • • loading docks, and other areas ex- posed to freezing temperatures,where • Available water filled pipe cannot be utilized. N/A Not Available When set for service, the dry pipe sprinkler system is pressurized with air (or nitrogen). The loss of pressure responsible for maintain- WARNING The owner is res through an operated automatic sprin- P kler in response to heat from a fire The Model DPV-1 Dry Pipe Valves de- ing their fire protection system and de- permits the DPV-1 Dry Pipe Valve to scribed herein must be installed and vices in proper operating condition. open and allow a flow of water into the maintained in compliance with this The installing contractor or manufac- sprinkler system piping. Table B es- document,as well as with the applica- turer should be contacted with any tablishes the minimum required sys- ble standards of the National Fire Pro- questions. tem air pressure that includes a safety tection Association, in addition to the factor to help prevent false operations standards of any other authorities hav- that might occur due to water supply ing jurisdiction. Failure to do so may fluctuations. impair the performance of these de- vices. Page 7 of 20 AUGUST, 2007 TFP1020