Description

The component in the image is a manual
pneumatic push-button valve
 It serves as a manual control input for testing or emergency functions in an automated or semiautomated system.
This button manually actuates a pneumatic function such as
 Priming
 Pump start
 Air pilot signal
 Override for a solenoid valve
 Typical Use
 Maintenance mode: manual override of automatic systems
Priming systems: air purge or fluid movement control