3V series solenoid valves are suitable for operating double or single acting cylinders in pneumatic control system. They have 3 ports and 2 positions. And 4 type’s valve bodies are provided. They are 3V100, 3V210, 3V310 and 3V410 etc. The ports size can be from M5 to 1/2” . The solenoid operated valves can be mounted in line.