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

Type : 5 Port, 3 Position, 2 Pilot
Pressure : 1.5 ~ 7 Kg/Cm2
Temperature : 0 ~ 50 C
Size : 1/8" ~ 1"

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