GB/T 2351-2021
ActiveFluid power systems and components—Outside diameters of tubes and inside diameters of hoses
流体传动系统及元件 硬管外径和软管内径
Application Summary AI generated
This standard specifies the preferred outside diameters for rigid tubes and inside diameters for flexible hoses used in fluid power systems, such as hydraulic and pneumatic circuits. It is applied by manufacturers and engineers to ensure dimensional compatibility between tubes, hoses, and their corresponding connectors or fittings in industrial machinery, construction equipment, and automotive applications. The standard facilitates interchangeability and system reliability by providing a unified sizing reference for component design and procurement.
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 15623.2-2003
Hydraulic fluid power--Electrically modulated hydraulic control valves--Part 2:Test methods for three-way directional flow control valves
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
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.