4V series solenoid valves are suitable for operating double or single acting cylinders in pneumatic control system. They have 5 ports and 2 or 3 positions. And 4 type’s valve bodies are provided. They are 4V100, 4V210, 4V310 and 4V410 etc. The ports size can be from M5 to 1/2”. The solenoid operated valves can be mounted in line. The pilot valve is supplied with manual override and connector as standard.