Pneumatic Master Valve AR/RB-RN series / 5 Port, 2 Position, 1 Pilot, Size 1/8" ~ 1"

Type : 5 Port, 2 Position, 1 Pilot
Pressure : 1.5 ~ 7 Kg/Cm2
Size : 0 ~ 50 C

Taiyo AR-RN & RB-RN series are 5 port, 2 position, single pilot Pneumatic Master Valve.
http://www.taiyo-ltd.co.jp/eg/products/products0/0_a1.html