SV Series Solenoid Valve is a complete range of valves designed according to NAMUR VDI/VDE 3845 and made of epoxy coated anodized aluminum. Each solenoid valve is field interchangeable for use on either double acting 4-Way or spring return 3-Way actuators and is available in single coil, dual coil, or 3-position configuration (open centers, closed centers, or center in pressure).