The Festo pneumatic valve VSPA-B-D52-A2 has pressure regulator plate, flow control plate, vertical isolating plate and vertical supply plate as a vertical stacking construction. The electrical connection via round or square plug socket. Valve function 5/2 bistable-dominant, Type of actuation pneumatic, Width 18 mm, Standard nominal flow rate 550 l/min, Operating pressure -0,9 - 10 bar