1.CE certification and ISO 9001:2008 2.1/4 solenoid valve is kind of switch,it can be used in cutting torch and ignition device 1/4 Solenoid Valve for Ignition Device It is kind of switch, it can be used in cutting torch and ignition device.This Kind of solenoid valve has three kinds: AC 24V, DC 24V, AC 220V. Model NO.2V025-08 VoltageAC220V 50HZ Socket typeTerminal Working Mediumair,water,oil ...