JB/T 51129-1999
Product quality grading of construction machinery gear pump
Product quality grading of construction machinery gear pump
Catalogue
Scope, References, Efficiency, Pressure, Test
Scope
Construction hydraulic pump production, matching inspection
Applicable to construction machinery gear pump
Normative References
Keywords
Engineering gear pump
volumetric efficiency
pressure
leakage
Application Summary AI generated
1. Improved volumetric efficiency under high pressure
2. Strict leakage and noise limits
3. Includes high/low temperature durability and vibration test
4. Adopts national sampling standard.
Standard Timeline
replaces
51129.3-94
replaces
JB/T 51129.1
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JB/T 51128-1999
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JB/T 51127-1999
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Content extracted by AI. Not officially verified.