Subordinate control circuit
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring
Four quadrant operation
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring
Nominal valve sizes
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring
Displacement control
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring
Valve efficiency
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring
Valve actuation
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring
Secondary measures (in the case of sound)
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring
Segment pressure compensator
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring
Self-monitoring of systems
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring
Safety of a system
Geared pump/motor Gear pump Gear pump flow meter Gerotor motor Graduated glass scale Grooved ring seal Group signal line Kinematical viscosity v Kv factor (speed/stroke gain) Kv value (of valves) Quad-ring