... , water and air in general. CE gas solenoid valve, special for welding machine2/2 way, NC, design for use with steam, water and air ... :BrassSeal ring material:NBR, EPDM, Silicon Gel, VITON etc.Max pressure:16 barMax Media Temperature:80/160Voltage available:12V/50; DC ... /230V/50; 380V/50Protection Class:IP 65 Brass Solenoid Valve for Welding Machine ZCQ-20B-16