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TFP1020 <br /> Page 9 of 20 <br /> AIR PRESSURE WATERFLOW <br /> TO SYSTEM TO SYSTEM <br /> CLAPPER <br /> t ASSEMBLY t <br /> FULLY OPEN <br /> 1" NPT CLAPPER LATCH <br /> AIR SUPPLY PIVOTS TO ALLOW <br /> PORT CLAPPER ASSEMBLY <br /> TO FULLY OPEN <br /> 3/4" NPT ALARM <br /> PORT OPEN TO ° <br /> CLAPPER ATMOSPHERE <br /> ASSEMBLY f, <br /> IN SET <br /> POSITION 1/2" NPT <br /> WATER SUPPLY <br /> m PRESSURE <br /> /— &ALARM <br /> TEST PORT ALARM PORT <br /> WATERFLOW <br /> CLAPPER TO ALARM <br /> ASSEMBLY AIR <br /> FROM SEAT FROM <br /> WATER SUPPLY WATER SUPPLY <br /> FIGURE 2A ALARM FIGURE 2C <br /> SET POSITION WATER PORT OPERATED POSITION <br /> SEAT m <br /> I DRAIN FROM <br /> DRAIN FROM SYSTEM <br /> SYSTEM INTERMEDIATE VALVE COMPLETE <br /> CHAMBER WATERWAYIt PUSH HERE <br /> FIGURE 2B <br /> SET POSITION TO RESET <br /> INTERMEDIATE VALVE <br /> CLAPPER CHAMBER RESET <br /> ASSEMBLY KNOB <br /> LATCHED <br /> OPEN - - RESET <br /> ASSEMBLY <br /> 3/4" NPT CLAPPER <br /> LOW BODY ° LATCH ` ° <br /> DRAIN <br /> PORT PIVOTS TO <br /> UNLATCH ' <br /> �- CLAPPER i <br /> i <br /> ASSEMBLY <br /> 2" NPT CLAPPER <br /> MAIN DRAIN LATCH <br /> PORT CLAPPER <br /> ASSEMBLY <br /> RESEATED <br /> WATER SUPPLY WATER SUPPLY <br /> SHUT OFF SHUT OFF <br /> FIGURE 2D FIGURE 2E <br /> DRAIN POSITION RESET POSITION <br /> FIGURE 2-PART 2 OF 2 <br /> MODEL DPV-1 DRY PIPE VALVES <br /> 6INCH(DN150) <br /> SET AND OPEN POSITIONS <br />