Four position valve
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
Viscosity index (VI)
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
Fail safe position
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
Flow rate division
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
Pre-load valve
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
Pilot flow rate
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
Water in oil
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
Circulation losses in hydraulic 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
Circumferential displacement machine
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
Reversible hydrostatic motor
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