JB/T 51122-1999

Product quality grading of tractor hydraulic gear pump

Standard Type

JBT

ICS

65.060.10

CCS

T64

Status

N/A

Issue Date

1999-12-30

Implementation

2000-06-01

Centralized Committee

National Tractor Standardization Committee

Issuing Authority

State Bureau of Machinery Industry

Catalogue

Scope, References, Efficiency, Pressure, Test

Scope

Agricultural hydraulic pump production, matching inspection

Applicable to tractor hydraulic gear pump

Normative References

GB/T 2828.1-2012

Keywords

Hydraulic pump volumetric efficiency pressure leakage grading

Application Summary AI generated

1. Three grades with improved volumetric efficiency

2. Strict leakage and pressure stability

3. Includes high/low temperature durability and vibration test

4. Adopts national sampling standard.

Standard Timeline

replaces JB/T 51122.1

replaces 51122.3-94

Related Standards

NY/T 1015-2006 Technical specifications of quality evaluation for small sprinkling irrigation machine NY 345.1-2005 Tractor number plate NY 347.2-2005 Combine running license NY/T 740-2003 Field operation quality of ditchers NY/T 1011-2006 Quality appraising standard for rake grain and belt conveyer NY 347.1-2005 Tractor running license NY/T 1229--2006 Operating quality of combined machines for rotary fertilizing and seeding NY/T 1251-2006 Silkworm cocoon drying equipment

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.