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SAE J2051 2005 Edition, May 1, 2005
Qualifications for Four-Way Subbase Mounted Air Valves for Automotive
Manufacturing Applications
Description / Abstract:
This SAE Recommended Practice describes the requirements necessary for
four-way subbase mounted,
directional air-control valves to be used in automotive manufacturing
applications. It includes
minimum performance, operation, and physical requirements to qualify
the valves for service in
automotive manufacturing applications. Included are spool, poppet, and
sliding disc types of air
valves for pressures in a range of vacuum to 1034 kPa (150
lb/in²) gage, and temperatures from
−18 to 60 °C (0 to 140 °F).
Rationale - This revision of SAE J2051 incorporates changes to the contaminant, the original of which was found to cause coagulation in the components tested. The revised contaminant is a mixture of 75% iron filings and 25% ferric(ous) oxide; whereas the previous contaminant was 100% ferric(ous) oxide. In addition, the amount of water injected is increased; and a prescribed schedule of injecting these contaminants is provided.
Rationale - This revision of SAE J2051 incorporates changes to the contaminant, the original of which was found to cause coagulation in the components tested. The revised contaminant is a mixture of 75% iron filings and 25% ferric(ous) oxide; whereas the previous contaminant was 100% ferric(ous) oxide. In addition, the amount of water injected is increased; and a prescribed schedule of injecting these contaminants is provided.
SAE J2051 2005 Edition, May 1, 2005
Qualifications for Four-Way Subbase Mounted Air Valves for Automotive
Manufacturing Applications