Evaluation of Vickers V-104 and 20VQ5 vane pumps for ASTM D-2882 wear tests using water-glycol hydraulic fluids
- Union Carbide Corp., Tarrytown, NY (United States)
Work is currently underway within the ASTM D.02 N.07 Hydraulic Fluid Testing Committee to evaluate the potential of replacing the Vickers V-104 vane pump with a newer, more current model 20VQ vane pump for use in an updated ASTM D-2882 and other national standards. All of the round robin work conducted within the committee thus far has involved the use of non-aqueous hydraulic oils. Although there are some significant inter-laboratory reproducibility problems, it appears that the overall ranking of the hydraulic oils by most laboratories appears to be consistent. To further evaluate the potential utility of replacing the Vickers V-104 pump with the 20VQ pump, a series of different water-glycol hydraulic fluid formulations with significantly different wear rates were evaluated using a modified ASTM D-2882 testing procedure. The results showed that expected catastrophic pump failures, which occurred with the V-104 pump, not only did not occur with the 20VQ pump, but the relative orders of wear rates for some of the fluids were also different. In this paper, a brief history of the development of the ASTM D-2882 test, as currently conducted, will be presented, a comparison of the features of the V-104 and 20VQ pump and cartridge assemblies will be given and a comparative tabulation of the pump test using the V-104 pump and the 20VQ pump using different testing conditions will be provided. Finally, recommendations for future work will be made.
- OSTI ID:
- 566641
- Report Number(s):
- CONF-951245--; ISBN 0-8031-2422-8
- Country of Publication:
- United States
- Language:
- English
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