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TFP1020 <br /> Page 12 of 20 <br /> 1. SEE FIGURE 4 PART 3 FOR TRIM ARRANGEMENT WITH BILL OF MATERIALS LOW AIR <br /> AND COMPONENT PART NUMBERS. PRESSURE <br /> 2. TRIM SHOWN FULLY ASSEMBLED;COMPONENTS SUCH AS GAUGES AND ALARM <br /> SWITCHES MAY REQUIRE ASSEMBLY IN TRIM AT INSTALLATION. SWITCH SYSTEM <br /> / AIR SUPPLY <br /> 1/2 INCH NPT SYSTEM 4 INCH(DN100) CONTROL VALVE <br /> CONNECTION AIR SUPPLY MODEL VALVE <br /> (NORMALLY <br /> \/ ® <br /> FOR SYSTEM PRESSURE DRY PIPE VALVE OPEN) <br /> AIR SUPPLY GAUGE (FxG SHOWN) 3/4 INCH NPT <br /> J 1 INCH NPT CONNECTION <br /> FLANGE ADAPTER FOR WATER <br /> CONNECTION OR GROOVED <br /> FOR LOCAL COUPLING MOTOR ALARM <br /> SPRINKLER MAIN WATERFLOW <br /> C�3/4 INCH NPT � � DRAIN VALVE o PRESSURE <br /> CONNECTION (NORMALLY ALARM <br /> TO DRAIN / CLOSED) 1/2 INCH NPT SWITCH <br /> CONNECTION <br /> ALARM / FOR OPTIONAL <br /> TEST VALVE \ SYSTEM 2 INCH NPT ACCELERATOR <br /> (NORMALLY LOW BODY CONNECTION <br /> CLOSED) DRAIN VALVE SYSTEM SHUT-OFF TO DRAIN AUTOMATIC <br /> WATER VALVE <br /> (NORMALLY SUPPLY (NORMALLY DRAIN VALVE <br /> CLOSED) PRESSURE OPEN) 1-1/4 INCH NPT <br /> GAUGE CONNECTION DRIP <br /> TO DRAIN FUNNEL <br /> FIGURE 4-PART 1 OF 3 <br /> 4 INCH(DN100)MODEL DPV-1 DRY PIPE VALVE <br /> PRE-TRIMMED ASSEMBLY <br /> 1/2 INCH NPT AIR SUPPLY <br /> CONNECTION CONTROL VALVE <br /> FOR OPTIONAL (NORMALLY <br /> ACCELERATOR OPEN) 1/2 INCH NPT MAIN <br /> CONNECTION SYSTEM DRAIN VALVE <br /> 0 1/2 INCH NPT AUTOMATIC AIR SUPPLY NORMALLY <br /> CONNECTION DRAIN VALVE FOR OPTIONAL PRESSURE <br /> AIR PRESSURE CLOSED) <br /> FOR WATERFLOW \ SWITCH GAUGE <br /> SLOPE PRESSURE ALARM <br /> DOWN SWITCH \ D I <br /> 3/4 INCH NPT <br /> CONNECTION <br /> FOR WATER A <br /> MOTOR ALARM � \ � <br /> 1/2 INCH NPT �/ 2 INCH NPT <br /> CONNECTION <br /> CONNECTION <br /> FOR SYSTEM ~ TO DRAIN <br /> � I <br /> AIR SUPPLY C 0 4 INCH(DN100) <br /> ALARM �' �o_ — C) MODEL DPV-1 <br /> TEST VALVE / DRY PIPE VALVE <br /> (NORMALLY (FxG SHOWN) <br /> CLOSED) 3/4 1 INCH NPT NOTES: <br /> B CONNECTION 1. INSTALL TRIM ASSEMBLIES IN <br /> SYSTEM INCH NPT FOR LOCAL ALPHABETICAL ORDER. <br /> ONNECTON CI <br /> WATER SUPPLY SPRINKLER <br /> PRESSURE TO DRAIN 2. SEE FIGURE 2 FOR VALVE PORT <br /> GAUGE LOW BODY IDENTIFICATION. <br /> DRIP DRAIN VALVE 3. ROUTE 1/4"TUBING TO DRIP FUNNEL. <br /> FUNNEL 1-1/4 INCH NPT (NORMALLY 4. SLOPE ASSEMBLY B DOWN TOWARD <br /> CONNECTION CLOSED) BACK OF VALVE TO FACILITATE <br /> TO DRAIN SUFFICIENT LOW BODY DRAINAGE. <br /> FIGURE 4-PART 2 OF 3 <br /> 4 INCH(DN100)MODEL DPV-1 DRY PIPE VALVE <br /> EXPLODED ARRANGEMENT OF SEMI-ASSEMBLED TRIM <br />