Festo Solenoid Valve VSVA-B-D52-ZD-A2-1 T1L (Valve Terminal for VTSA and VTSA-F This is a standards-based valve conforming to ISO 5599-1. Valve Function: 5/2 Bistable-Dominant, Operating Type: Electric, Width: 18 mm, Standard Nominal Flow Rate: 550 l/min, Operating Pressure: -0, 9-10 bar