Tyco DPV-1 - Page 9

TFP1090
Page 9 of 26
1/4" NPT GAUGE
CONNECTION
DIFFERENTIAL
CHAMBER
RESTRICTION
SPRING
BALL FLOAT
1/2" NPT INLET
PILOT CHAMBER
INLET PORT
INLET CHAMBER
1/2" NPT OUTLET
PILOT
CHAMBER
EXHAUST VALVE
OUTLET
CHAMBER
RELIEF VALVE
ANTI-FLOOD
VALVE
PLUNGER
LEVER
LATCH
RESET KNOB
RELIEF PORT
FROM
SYSTEM
PIPING
TO DRY PIPE VALVE
INTERMEDIATE
CHAMBER
FIGURE 5
MODEL ACC-1 DRY PIPE VALVE ACCELERATOR
IN SET POSITION
FIGURE 6
MODEL ACC-1 DRY PIPE VALVE ACCELERATOR
IN TRIPPED POSITION