Number of positions：3 port 2 positions, 4 port 2 positions；Caliber：1/4".
Diversified types of operation：The operation type is three ports two positions and four ports two positions, which can be selected according to requirements.
Pedal type operation：Operated by using simple pedals.
|Caliber||1/8", 1/4"||Number of positions||3 port 2 positions, 4 port 2 positions|
|Number of coils||no||Pressure range(kgf/cm²)||0～7|
|Voltage||no||Temperature range ℃||-5~60|