ASCO SCG551A001MS.115/50 Pilot & Spring Pneumatic Solenoid Valve Product Overview The ASCO SCG551A001MS.115/50 Pilot & Spring Pneumatic Solenoid Valve is a dependable control component designed for industrial pneumatic systems where accurate air management and consistent operation are essential. Combining pilot-assisted actuation with spring return functionality, this solenoid valve provides an effective solution for controlling compressed air within automated machinery,