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ISO 3019-2:2001PublishedHydraulic fluid power — Dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors — Part 2: Metric seriesISO 3019-1:2001PublishedHydraulic fluid power — Dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors — Part 1: Inch series shown in metric unitsISO 3662:1976PublishedHydraulic fluid power — Pumps and motors — Geometric displacementsISO 4391:1983PublishedHydraulic fluid power — Pumps, motors and integral transmissions — Parameter definitions and letter symbolsISO 4392-1:2002PublishedHydraulic fluid power — Determination of characteristics of motors — Part 1: At constant low speed and constant pressureISO 4392-2:2002PublishedHydraulic fluid power — Determination of characteristics of motors — Part 2: StartabilityISO 4392-3:1993PublishedHydraulic fluid power — Determination of characteristics of motors — Part 3: At constant flow and at constant torqueISO 4409:2019PublishedHydraulic fluid power — Positive-displacement pumps, motors and integral transmissions — Methods of testing and presenting basic steady state performanceISO 4412-1:1991PublishedHydraulic fluid power — Test code for determination of airborne noise levels — Part 1: PumpsISO 4412-2:1991PublishedHydraulic fluid power — Test code for determination of airborne noise levels — Part 2: MotorsISO 4412-3:1991PublishedHydraulic fluid power — Test code for determination of airborne noise levels — Part 3: Pumps — Method using a parallelepiped microphone arrayISO 8426-1:2025PublishedHydraulic fluid power — Determination of derived displacement of positive displacement pumps and motors — Part 1: Two-step Toet methodISO 8426-2:2025PublishedHydraulic fluid power — Determination of derived displacement of positive displacement pumps and motors — Part 2: Zero-pressure intercept methodISO 10767-3:2025PublishedHydraulic fluid power — Determination of pressure ripple levels generated in systems and components — Part 3: Method for motorsISO 10767-1:2015PublishedHydraulic fluid power — Determination of pressure ripple levels generated in systems and components — Part 1: Method for determining source flow ripple and source impedance of pumpsISO 10767-2:1999PublishedHydraulic fluid power — Determination of pressure ripple levels generated in systems and components — Part 2: Simplified method for pumpsISO 16902-1:2003PublishedHydraulic fluid power — Test code for the determination of sound power levels of pumps using sound intensity techniques: Engineering method — Part 1: PumpsISO 17559:2003PublishedHydraulic fluid power — Electrically controlled hydraulic pumps — Test methods to determine performance characteristicsISO 23840:2021PublishedWater hydraulics — Water-hydraulic pumps — Methods of testing and representing basic steady-state performanceISO 3019-3:1988WithdrawnHydraulic fluid power — Positive displacement pumps and motors — Dimensions and identification code for mounting flanges and shaft ends — Part 3: Polygonal flanges (including circular flanges)ISO 3019-2:1986WithdrawnHydraulic fluid power — Positive displacement pumps and motors — Dimensions and identification code for mounting flanges and shaft ends — Part 2: Two- and four-hole flanges and shaft ends — Metric seriesISO 3019-3:1981WithdrawnHydraulic fluid power — Positive displacement pumps and motors — Dimensions and identification code for mounting flanges and shaft ends — Part 3: Polygonal flanges (including circular flanges)ISO 3019-2:1980WithdrawnHydraulic fluid power — Positive displacement pumps and motors — Dimensions and identification code for mounting flanges and shaft ends — Part 2: 2 and 4-hole flanges and shaft ends — Metric seriesISO 3019-1:1975WithdrawnHydraulic fluid power — Positive displacement pumps and motors — Dimensions and identification code for mounting flanges and shaft ends — Part 1: Inch series shown in metric unitsISO 4392-1:1989WithdrawnHydraulic fluid power — Determination of characteristics of motors — Part 1: At constant low speed and at constant pressure