Techrite Controls Australia...
AGA Certificate 6162 121K Series 2/2 Direct Acting Disc-On-Seat Solenoid Valve 1/4" BSP 121K01 - Max Working Pressure : 200-500 kPa 3/8" BSP 121K3306 - Max Working Pressure: 110-300 kPa 1/2" BSP E121K45 - Max Working Pressure : 30-70 kPa 1/2" BSP E121K46 - Max Working Pressure: 50-120 kPa Refer to data sheet for more information