SSV25W-28 solenoid valve : 1.Used in bolier and fire-fighting 2.long life,good insulation,waterproof,moisture proof SSV25W-28 solenoid valve :SSV series two-way bi- ... flow solenoid valves are mainly used for the defrosting ... ODF,F means waist flange,K means normal opened valves. SSV25W-28 solenoid valve