Adopt pilot-oriented structure.
Adopt universal type valve body design, both 3/2 way and 5/2 way use one valve body; 3/2way normally closed.
Adopt NAMUR installation standard, which makes it can easily connect with actuator, also can connect through pipe.
Valve spool with sliding column structure, which makes it good sealing and sensitive action.
With low start air pressure, long life span.
With manual device and can handle manually.
Aluminum or stainless steel ...