Pneumatic start-up valves gradually increase pressure on system start-up and exhaust air rapidly when the system is shut down. Air supply and exhaust can be manually operated, and can be locked in the exhaust position.

Combined soft start and dump spring return valve
Temperature range 0°C to +60°C
Compatible with SMC modular series FRL
Maximum working pressure: 10 bar
Proof pressure rating:15 bar
Gauge port sizes from G 1/4 to G 1/2
Piston and slide material NBR
Low power consumption solenoid - 24Vdc @ 1.8W
Large CV factor

When using the dump valve facility, it is recommended that a silencer is fitted to the relieving port.