ASTM D7043-04

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An American National Standard
Designation:D7043–04
Standard Test Method for
Indicating Wear Characteristics of Petroleum and Non-
Petroleum Hydraulic Fluids in a Constant Volume Vane
1
Pump
This standard is issued under the fixed designation D7043; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope atthepumpinletis66 63°C(150 65°F)forallwaterglycols,
emulsions,andotherwatercontainingfluidsandforpetroleum
1.1 This test method covers a constant volume high-
and synthetic fluids of ISO Grade 46 or lighter.Atemperature
pressure vane pump test procedure for indicating the wear
of 80 6 3°C (175 6 5°F) is used for all other synthetic and
characteristics of petroleum and non-petroleum hydraulic flu-
petroleum fluids.
ids.
4.2 The result obtained is the total mass loss from the cam
1.2 The values stated in SI units are to be regarded as
ringandthetwelvevanesduringthetest.Otherreportedvalues
standard. The values in parentheses are provided for informa-
are initial flow rate and final flow rate.
tion only.
4.3 The total quantity of test oil required for a run is 26.5 L
1.3 This standard does not purport to address all of the
(7 gal).
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Significance and Use
priate safety and health practices and determine the applica-
5.1 This test method is an indicator of the wear character-
bility of regulatory limitations prior to use.
istics of petroleum and non-petroleum hydraulic fluids operat-
2. Referenced Documents ing in a constant volume vane pump. Excessive wear in vane
2
pumps could lead to malfunction of hydraulic systems in
2.1 ASTM Standards:
critical applications.
D2882 Test Method for Indicating Wear Characteristics of
Petroleum and Non-Petroleum Hydraulic Fluids in Con-
6. Apparatus
stant Volume Vane Pump
6.1 The basic system consists of the following (see Fig. 1):
3. Terminology 6.1.1 AC Motor, 1200-rpm , or other suitable drive, with 11
kw (15 hp) as suggested minimum power requirement (Item 5,
3.1 Definitions of Terms Specific to This Standard:
Fig.1).Themotormusthaverighthandrotation(counterclock-
3.1.1 flushing, v—processofcleaningthetestsystembefore
wise rotation as viewed from the shaft end).
testing to prevent cross-contamination.
6.1.2 Test Stand Base, with appropriate, rigid mounting for
3.1.2 torquing, v—process of tightening the pump head
the motor, pump, reservoir, and other components.
bolts to achieve a uniform clamping force.
6.1.3 Rotary Vane Pump, replaceable cartridge type. A
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4. Summary of Test Method
Vickers 104C or 105C housing is used along with internal
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components from Conestoga USA, Inc. The assembly should
4.1 Anamountof18.9 60.5L(5 60.13gal)ofahydraulic
produce 28.4 L/min (7.5 gal/min) flow at 1200 r/min with ISO
fluid are circulated through a rotary vane pump system for 100
Grade 32 fluid at 49°C (120°F), at 6.9 MPa (1000 psi) (Item 3,
h at a pump speed of 1200 6 60 r/min and a pump outlet
Fig. 1; Fig. 2). (Warning—The test pump is rated at 6.9 MPa
pressureof13.8 60.3MPa(2000 640psi).Fluidtemperature
(1000 psi) but is being operated at 13.8 MPa (2000 psi). A
protective shield around the pump is recommended.)
1
This test method is under the jurisdiction of ASTM Committee D02 on
NOTE 1—This method has been written for the use of Conestoga USA
PetroleumProductsandLubricantsandisthedirectresponsibilityofSubcommittee
Inc. internals along with aVickers housing and head. If components from
D02.N0 on Hydraulic Fluids.
Current edition approved July 1, 2004. Published July 2004.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Vickers is a part of Eaton Hydraulics, Hydraulic Supply Company, 300
Standards volume information, refer to the standard’s Document Summary page on International Parkway, Sunrise, FL 33325.
4
the ASTM website. Conestoga USA Inc., P.O. Box 3052, Pottstown, PA 19464.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D7043–04
FIG. 1 System Schematic
other manufacturers are used, refer to Test Method D2882–00 for
The reservoir can be square or rectangular (with a flat bottom)
preparation and selection guidelines.
or cylindrical (with a spherical or cone shaped bottom) and
must be designed so as to avoid air entrainment in the fluid.
6.1.3.1 The replaceable cartridge consists of the cam ring,
therotor,twobushings,asetoftwelvevanes,anda
...