Used on A4VSO (open loop control) and A4VSG (closed loop control) hydraulic axial piston components which function as secondary control units in Rexroth Active Heave Compensation (AHC) system for offshore winching applications, Rexroth DS2R features proportional valve technology that promotes reliability and facilitates maintenance. Unit comes with Rexroth 4WRPH proportional valve, and reliability is improved with Rexroth AWXF axial piston unit swivel angle sensor rated for IP67 standards.