Profile: Spartan Scientific manufactures DIN-style solenoid valves. Our products include solenoid valve operators, solenoid valve accessories, direct acting solenoid valves, process control valves and drain valves. Our solenoid operators are designed for piloting 3 & 4-way directional control valves and pneumatic actuators. Our direct acting valves features include a fully encapsulated coil, spring compensated plunger seats for long life and a miniature stackable valve body.