ISO 20763:2004
Petroleum and related products — Determination of anti-wear properties of hydraulic fluids — Vane pump method
ISO 20763:2004 specifies procedures for the determination of steel-on-steel anti-wear properties of hydraulic fluids by means of performance in a vane-type hydraulic pump. ISO 20763:2004 covers a range of hydraulic fluids, both anhydrous and aqueous, intended for applications where high-speed sliding contacts, such as those found in a vane pump, are encountered.
For mineral oils of categories HM and HV, and fire-resistant fluids of category HFD, the method is applicable to viscosity classes ISO VG 32, ISO VG 46 and ISO VG 68, as specified in ISO 3448. Under different specified conditions, the method is applicable to aqueous fire-resistant hydraulic fluids in categories HFA, HFB and HFC, as specified in ISO 12922, within the same viscosity classes.
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TitlePage - Petroleum and related products— Determination of anti-wear properties of hydraulic f...
TableofContent - Contents Page
Foreword - Foreword
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 3 Principle
Clause1 - 4 Reagents and materials
UntitledSubclause2 - 4.1 Water
UntitledSubclause2 - 4.2 Cleaning solvents
UntitledSubclause3 - 4.2.1 General
UntitledSubclause3 - 4.2.2 Light hydrocarbons
UntitledSubclause3 - 4.2.3 Oxygenated hydrocarbons
UntitledSubclause3 - 4.2.4 Acetone
UntitledSubclause3 - 4.2.5 1,2-Propyleneglycol (propandiol)
UntitledSubclause2 - 4.3 Abrasive stone
UntitledSubclause2 - 4.4 Abrasive cloth or paper
Clause1 - 5 Apparatus
UntitledSubclause2 - 5.1 Test rig
UntitledSubclause3 - 5.1.1 Fluid reservoir
UntitledSubclause3 - 5.1.2 Vane pump
UntitledSubclause3 - 5.1.3 Test cartridge
UntitledSubclause3 - 5.1.4 Drive motor
UntitledSubclause3 - 5.1.5 Heat exchanger
UntitledSubclause3 - 5.1.6 Pipework
UntitledSubclause4 - 5.1.6.1 The pipe or hose compatible with the fluid under test, between th...
UntitledSubclause4 - 5.1.6.2 The pipe between the pump and the relief valve (
UntitledSubclause3 - 5.1.7 Relief valve
UntitledSubclause3 - 5.1.8 Filter
UntitledSubclause3 - 5.1.9 Suction pressure gauge
UntitledSubclause3 - 5.1.10 Temperature sensor
UntitledSubclause3 - 5.1.11 Flowmeter
UntitledSubclause3 - 5.1.12 Test-conditions monitoring system
UntitledSubclause3 - 5.1.13 Test pressure gauge
UntitledSubclause2 - 5.2 Timers
UntitledSubclause2 - 5.3 Analytical balance
UntitledSubclause2 - 5.4 Torque wrench
UntitledSubclause2 - 5.5 Ultrasonic cleaning bath
UntitledSubclause2 - 5.6 Finishing plate
Clause1 - 6 Samples and sampling
UntitledSubclause2 - 6.1 Unless otherwise specified, samples shall be obtained by the procedur...
UntitledSubclause2 - 6.2 The laboratory sample size for this test is unusually large, with app...
Clause1 - 7 Preliminary test
UntitledSubclause2 - 7.1 Determine the kinematic viscosity of the test fluid at
UntitledSubclause2 - 7.2 Plot the viscosities on a standard viscosity-temperature sheet (log-l...
Clause1 - 8 Preparation of apparatus
UntitledSubclause2 - 8.1 Drain off any fluid remaining from the previous test run and remove a...
UntitledSubclause2 - 8.2 Clean all parts of the test rig that come into contact with test flui...
UntitledSubclause2 - 8.3 Carry out the flushing procedure appropriate to the fluid type descri...
Clause1 - 9 System flushing and cleaning
Subclause2 - 9.1 Procedure for anhydrous fluids
UntitledSubclause3 - 9.1.1 Select a good quality, previously used cartridge, dip it into the t...
UntitledSubclause3 - 9.1.2 Charge the system with 8litres to 10litres of flushing fluid.
UntitledSubclause3 - 9.1.3 Open the relief valve (
Subclause2 - 9.2 Procedure for aqueous fluids
UntitledSubclause3 - 9.2.1 Disassemble the system, including the pump body, heat exchanger (
UntitledSubclause3 - 9.2.2 Do not clean pumps run with anhydrous fluids in the same bath used ...
UntitledSubclause3 - 9.2.3 Rinse all hoses, other rubber parts and gaskets with water. Clean h...
UntitledSubclause3 - 9.2.4 Clean metal parts by rinsing with water, scrubbing with a bristle b...
Clause1 - 10 Preparation of cartridge for test
UntitledSubclause2 - 10.1 Clean the filter housing, fit a new filter element, and fill the res...
UntitledSubclause2 - 10.2 Select a new cartridge, disassemble it and clean the parts carefully...
UntitledSubclause2 - 10.3 Remove the cartridge used for flushing and fit the test cartridge.
UntitledSubclause2 - 10.4 Fit the cover plate on the pump and tighten the screws as described in
Clause1 - 11 Procedure
Subclause2 - 11.1 Preliminary operations
Subclause2 - 11.2 ProcedureA
UntitledSubclause3 - 11.2.1 Set the relief valve within
UntitledSubclause3 - 11.2.2 Check the fluid temperature at the pump inlet and ensure that it i...
UntitledSubclause3 - 11.2.3 Check the fluid flow during each stage of the pressure increase. I...
UntitledSubclause3 - 11.2.4 At the end of the running-in period (approximately
UntitledSubclause3 - 11.2.5 After
UntitledSubclause3 - 11.2.6 Disassemble the cartridge, wash the parts in hydrocarbon solvent (
UntitledSubclause3 - 11.2.7 Visually inspect all components of the cartridge and record the co...
Subclause2 - 11.3 ProcedureB
UntitledSubclause3 - 11.3.1 Run the pump for
UntitledSubclause3 - 11.3.2 Set the relief valve slowly within
UntitledSubclause3 - 11.3.3 Check the fluid temperature at the pump inlet and ensure that it i...
UntitledSubclause3 - 11.3.4 Check the fluid flow during each stage of the pressure increase. I...
UntitledSubclause3 - 11.3.5 At the end of the running-in period (approximately
UntitledSubclause3 - 11.3.6 After
UntitledSubclause3 - 11.3.7 Disassemble the cartridge, wash the parts in water (
UntitledSubclause3 - 11.3.8 Visually inspect all components of the cartridge and record the co...
Clause1 - 12 Expression of results
Clause1 - 13 Precision
Subclause2 - 13.1 General
Subclause2 - 13.2 Precision estimate
Clause1 - 14 Test report
AnnexNormative - Test cartridge component selection, preparation and assembly
Clause1 - A.1 Component selection and preparation
UntitledSubclause2 - A.1.1 General
UntitledSubclause2 - A.1.2 Rotor
UntitledSubclause3 - A.1.2.1 Visually inspect new rotors for deep longitudinal tool marks on t...
UntitledSubclause3 - A.1.2.2 Remove sharp edges where the vane slots meet the faces and the ou...
UntitledSubclause3 - A.1.2.3 Wash the rotor thoroughly in light hydrocarbon solvent (
UntitledSubclause2 - A.1.3 Vanes
UntitledSubclause3 - A.1.3.1 Visually inspect vanes for surface irregularities and correct cha...
UntitledSubclause3 - A.1.3.2 Deburr all the vane edges, except the wear chamfer, to produce a ...
UntitledSubclause3 - A.1.3.3 Measure the length of each vane at the top and bottom (
UntitledSubclause2 - A.1.4 Ring
UntitledSubclause3 - A.1.4.1 Visually inspect the ring for surface irregularities or poor fini...
UntitledSubclause3 - A.1.4.2 Lightly deburr the edges where the cam surface and faces meet (3)...
UntitledSubclause3 - A.1.4.3 Wash the ring in light hydrocarbon solvent to remove grit and/or ...
UntitledSubclause3 - A.1.4.4 Measure the thickness of the ring (
UntitledSubclause2 - A.1.5 Bushings
UntitledSubclause3 - A.1.5.1 Visually inspect the bushings for surface defects, and check that...
UntitledSubclause3 - A.1.5.2 Check that the front and rear faces of the bushing are parallel b...
UntitledSubclause3 - A.1.5.3 Roll the alignment pin on a flat surface to verify that it is str...
Clause1 - A.2 Cartridge assembly
Subclause2 - A.2.1 Pre-assembly
UntitledSubclause3 - A.2.1.1 Select components so that the average rotor thickness is
UntitledSubclause3 - A.2.1.2 Measure the outer diameter of the ring [
Subclause2 - A.2.2 Assembly
UntitledSubclause3 - A.2.2.1 Wash the selected components in oxygenated hydrocarbon (
UntitledSubclause3 - A.2.2.2 Weigh all the vanes together, and weigh the ring separately, to t...
UntitledSubclause3 - A.2.2.3 Re-assemble the cartridge, wetting the parts in test fluid before...
AnnexInformative - Test cartridge suppliers
Bibliography - Bibliography
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TitlePage - Petroleum and related products— Determination of anti-wear properties of hydraulic f...
TableofContent - Contents Page
Foreword - Foreword
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 3 Principle
Clause1 - 4 Reagents and materials
UntitledSubclause2 - 4.1 Water
UntitledSubclause2 - 4.2 Cleaning solvents
UntitledSubclause3 - 4.2.1 General
UntitledSubclause3 - 4.2.2 Light hydrocarbons
UntitledSubclause3 - 4.2.3 Oxygenated hydrocarbons
UntitledSubclause3 - 4.2.4 Acetone
UntitledSubclause3 - 4.2.5 1,2-Propyleneglycol (propandiol)
UntitledSubclause2 - 4.3 Abrasive stone
UntitledSubclause2 - 4.4 Abrasive cloth or paper
Clause1 - 5 Apparatus
UntitledSubclause2 - 5.1 Test rig
UntitledSubclause3 - 5.1.1 Fluid reservoir
UntitledSubclause3 - 5.1.2 Vane pump
UntitledSubclause3 - 5.1.3 Test cartridge
UntitledSubclause3 - 5.1.4 Drive motor
UntitledSubclause3 - 5.1.5 Heat exchanger
UntitledSubclause3 - 5.1.6 Pipework
UntitledSubclause4 - 5.1.6.1 The pipe or hose compatible with the fluid under test, between th...
UntitledSubclause4 - 5.1.6.2 The pipe between the pump and the relief valve (
UntitledSubclause3 - 5.1.7 Relief valve
UntitledSubclause3 - 5.1.8 Filter
UntitledSubclause3 - 5.1.9 Suction pressure gauge
UntitledSubclause3 - 5.1.10 Temperature sensor
UntitledSubclause3 - 5.1.11 Flowmeter
UntitledSubclause3 - 5.1.12 Test-conditions monitoring system
UntitledSubclause3 - 5.1.13 Test pressure gauge
UntitledSubclause2 - 5.2 Timers
UntitledSubclause2 - 5.3 Analytical balance
UntitledSubclause2 - 5.4 Torque wrench
UntitledSubclause2 - 5.5 Ultrasonic cleaning bath
UntitledSubclause2 - 5.6 Finishing plate
Clause1 - 6 Samples and sampling
UntitledSubclause2 - 6.1 Unless otherwise specified, samples shall be obtained by the procedur...
UntitledSubclause2 - 6.2 The laboratory sample size for this test is unusually large, with app...
Clause1 - 7 Preliminary test
UntitledSubclause2 - 7.1 Determine the kinematic viscosity of the test fluid at
UntitledSubclause2 - 7.2 Plot the viscosities on a standard viscosity-temperature sheet (log-l...
Clause1 - 8 Preparation of apparatus
UntitledSubclause2 - 8.1 Drain off any fluid remaining from the previous test run and remove a...
UntitledSubclause2 - 8.2 Clean all parts of the test rig that come into contact with test flui...
UntitledSubclause2 - 8.3 Carry out the flushing procedure appropriate to the fluid type descri...
Clause1 - 9 System flushing and cleaning
Subclause2 - 9.1 Procedure for anhydrous fluids
UntitledSubclause3 - 9.1.1 Select a good quality, previously used cartridge, dip it into the t...
UntitledSubclause3 - 9.1.2 Charge the system with 8litres to 10litres of flushing fluid.
UntitledSubclause3 - 9.1.3 Open the relief valve (
Subclause2 - 9.2 Procedure for aqueous fluids
UntitledSubclause3 - 9.2.1 Disassemble the system, including the pump body, heat exchanger (
UntitledSubclause3 - 9.2.2 Do not clean pumps run with anhydrous fluids in the same bath used ...
UntitledSubclause3 - 9.2.3 Rinse all hoses, other rubber parts and gaskets with water. Clean h...
UntitledSubclause3 - 9.2.4 Clean metal parts by rinsing with water, scrubbing with a bristle b...
Clause1 - 10 Preparation of cartridge for test
UntitledSubclause2 - 10.1 Clean the filter housing, fit a new filter element, and fill the res...
UntitledSubclause2 - 10.2 Select a new cartridge, disassemble it and clean the parts carefully...
UntitledSubclause2 - 10.3 Remove the cartridge used for flushing and fit the test cartridge.
UntitledSubclause2 - 10.4 Fit the cover plate on the pump and tighten the screws as described in
Clause1 - 11 Procedure
Subclause2 - 11.1 Preliminary operations
Subclause2 - 11.2 ProcedureA
UntitledSubclause3 - 11.2.1 Set the relief valve within
UntitledSubclause3 - 11.2.2 Check the fluid temperature at the pump inlet and ensure that it i...
UntitledSubclause3 - 11.2.3 Check the fluid flow during each stage of the pressure increase. I...
UntitledSubclause3 - 11.2.4 At the end of the running-in period (approximately
UntitledSubclause3 - 11.2.5 After
UntitledSubclause3 - 11.2.6 Disassemble the cartridge, wash the parts in hydrocarbon solvent (
UntitledSubclause3 - 11.2.7 Visually inspect all components of the cartridge and record the co...
Subclause2 - 11.3 ProcedureB
UntitledSubclause3 - 11.3.1 Run the pump for
UntitledSubclause3 - 11.3.2 Set the relief valve slowly within
UntitledSubclause3 - 11.3.3 Check the fluid temperature at the pump inlet and ensure that it i...
UntitledSubclause3 - 11.3.4 Check the fluid flow during each stage of the pressure increase. I...
UntitledSubclause3 - 11.3.5 At the end of the running-in period (approximately
UntitledSubclause3 - 11.3.6 After
UntitledSubclause3 - 11.3.7 Disassemble the cartridge, wash the parts in water (
UntitledSubclause3 - 11.3.8 Visually inspect all components of the cartridge and record the co...
Clause1 - 12 Expression of results
Clause1 - 13 Precision
Subclause2 - 13.1 General
Subclause2 - 13.2 Precision estimate
Clause1 - 14 Test report
AnnexNormative - Test cartridge component selection, preparation and assembly
Clause1 - A.1 Component selection and preparation
UntitledSubclause2 - A.1.1 General
UntitledSubclause2 - A.1.2 Rotor
UntitledSubclause3 - A.1.2.1 Visually inspect new rotors for deep longitudinal tool marks on t...
UntitledSubclause3 - A.1.2.2 Remove sharp edges where the vane slots meet the faces and the ou...
UntitledSubclause3 - A.1.2.3 Wash the rotor thoroughly in light hydrocarbon solvent (
UntitledSubclause2 - A.1.3 Vanes
UntitledSubclause3 - A.1.3.1 Visually inspect vanes for surface irregularities and correct cha...
UntitledSubclause3 - A.1.3.2 Deburr all the vane edges, except the wear chamfer, to produce a ...
UntitledSubclause3 - A.1.3.3 Measure the length of each vane at the top and bottom (
UntitledSubclause2 - A.1.4 Ring
UntitledSubclause3 - A.1.4.1 Visually inspect the ring for surface irregularities or poor fini...
UntitledSubclause3 - A.1.4.2 Lightly deburr the edges where the cam surface and faces meet (3)...
UntitledSubclause3 - A.1.4.3 Wash the ring in light hydrocarbon solvent to remove grit and/or ...
UntitledSubclause3 - A.1.4.4 Measure the thickness of the ring (
UntitledSubclause2 - A.1.5 Bushings
UntitledSubclause3 - A.1.5.1 Visually inspect the bushings for surface defects, and check that...
UntitledSubclause3 - A.1.5.2 Check that the front and rear faces of the bushing are parallel b...
UntitledSubclause3 - A.1.5.3 Roll the alignment pin on a flat surface to verify that it is str...
Clause1 - A.2 Cartridge assembly
Subclause2 - A.2.1 Pre-assembly
UntitledSubclause3 - A.2.1.1 Select components so that the average rotor thickness is
UntitledSubclause3 - A.2.1.2 Measure the outer diameter of the ring [
Subclause2 - A.2.2 Assembly
UntitledSubclause3 - A.2.2.1 Wash the selected components in oxygenated hydrocarbon (
UntitledSubclause3 - A.2.2.2 Weigh all the vanes together, and weigh the ring separately, to t...
UntitledSubclause3 - A.2.2.3 Re-assemble the cartridge, wetting the parts in test fluid before...
AnnexInformative - Test cartridge suppliers
Bibliography - Bibliography