GB/T 20421.2-2006

Active

Hydraulic fluid power―Determination of chracteristics of motors―Part 2: Startability

液压马达特性的测定第2部分：起动性

Standard Type

GBT

ICS

23.100.10

CCS

J20

Status

Active

Issue Date

2006-08-22

Implementation

2007-01-01

Centralized Committee

中国机械工业联合会

Issuing Authority

中国机械工业联合会

Application Summary AI generated

This standard specifies test methods for determining the low-speed startability of hydraulic motors, including measurement of starting torque and pressure differentials. It is applied in the hydraulic fluid power industry for evaluating motor performance under static or near-static conditions, particularly in applications like construction machinery, industrial equipment, and mobile hydraulics where reliable startup under load is critical. The standard ensures consistent testing procedures for manufacturers and users to compare motor designs and verify compliance with performance specifications.

Related Standards

GB/T 2878.2-2011 Connections for hydraulic fluid power—Ports and stud ends with metric threads and O-ring sealing—Part 2: Heavy-duty stud ends (S series) JB/T 51109-1999 Internal combustion engines - Main bearing shells and connecting rod bearing shells - Product quality grading (Internal use) GB/T 8606-2003 Thread connectiong dimensions andspecifications of hydraulic fluid power--Quick action couplings GB/T 5861-2003 Hydraulic fluid power--Quick action couplings--Test methods GB/T 5860-2003 Hydraulic fluid power--Quick action couplings--Dimensions and requirements GB/T 15623.1-2003 Hydraulic fluid power--Electrically modulated hydraulic control valves--Part 1:Test methods for four-way directional flow control valves GB/T 2346-2003 Fluid power systems and components--Nominal pressures GB/T 15623.2-2003 Hydraulic fluid power--Electrically modulated hydraulic control valves--Part 2:Test methods for three-way directional flow control valves

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.