Series AV-A soft start-up valves allow the user to set the initial rate of system pressurizations to minimize system shock. When deactivated, the valve quickly exhausts the system for safe servicing of equipment.
Body Size: 4000, Thread: Rc, Port Size: 04 (1/2), Option: BGS (w/Bracket, Round Type Pressure Gauge, Silencer), Voltage: 5 (24 VDC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: Z (with Light/Surge Voltage Suppressor), Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: R (Flow Direction: Right to Left)
M12 connector pin number X X VP544(R)/744(R)-X538 Internal pilot External pilot External pilot/With check valve 2(A) 2(A) 2(A) y t r y t r y t r w q e w q e w q e 3(R) 3(R) 3(R) y t r y t r y t r w q e w q e w q e 3(R) 3(R) 3(R) 1(P) 1(P) 1(P) X X VP544(R)/744(R)-X555 Internal pilot External pilot External pilot/With check valve 2(A) 2(A) 2(A) y t r y t r y t r 3(R) w q e 3(R) w q e w q e
Flow Rate Characteristics Series AV2000-A AV3000-A AV4000-A AV5000-A Port size 1(P), 2(A) 1/4 3/8 1/2 3/4 1 3(R) 1/4 3/8 1/2 3/4 1(P) R 2(A) C[dm3/(sbar)] 9.2 13.1 19.2 34.8 41.3 b 0.36 0.27 0.32 0.66 0.34 Cv 2.4 3.1 5.1 12.6 13.7 Flow rate characteristics 2(A) R 3(R) C[dm3/(sbar)] 8.8 9.2 10.1 23.7 b 0.46 0.48 0.55 0.67 Cv 2.5 2.6 3.2 9.2 Pressure for switching from low speed air supply