This product is used mainly the automatic control that oxygen, gas are opened and closed in the energy medium case of steel factory, connect with PLC and realize the automatic cut of the steel billet. 0927200G1/2DC24V0927300G3/4DC24VMN1H-2-1/2-MSG1/2DC24VMN1H-2-3/4-MSG3/4DC24VFDF-10M18×1.5DC24VSV1/2G1/2DC24VSV10BG1/2DC24V