The OSPM line is the small or "mini" portion of Sauer-Danfoss' over-a11 OSP steering unit product range which can be used in off-highway equipment as large as 100 tons with steering system flows to 106 gpm.
In operation, the OSPM consists of a rotary valve and rotary meter.
The OSPM units are available in two versions: an open center nonreaction version; and a power beyond version where surplus oil can be directed to the working hydraulics.
The design of the OSPM units now has the endport at the end of the steering unit, directing the hydraulic hoses down and away from the operator.
Recently, Sauer-Danfoss added two new displacements to the OSPM line, 3.