This part of GB/T 3683 specifies the requirements for 8 types of steel wire braided reinforced rubber hose assemblies with a nominal internal diameter of 5 to 51. They are suitable for HH, HL, HM, HR and HV hydraulic fluids that meet the requirements of GB/T 7631.2, and the working temperature range is -40℃~+100℃. This standard does not include requirements for fittings, but is limited to requirements for the performance of hoses and hose assemblies.
GB/T 3683.1-2006 history
2011GB/T 3683-2011 Rubber hoses and hose assemblies—Wire-braid-reinforced hydraulic types for oil-based or water-based fluids—Specification
1992GB/T 3683-1992 Rubber hoses and hose assemblies-wire reinforced hydraulic type
GB/T 3683.1-2006 Rubber hoses and hose assemblies.Wire-braid-reinforced hydraulic types.Specification.Part 1:Oil-based fluid applications was changed to GB/T 3683-2011 Rubber hoses and hose assemblies—Wire-braid-reinforced hydraulic types for oil-based or water-based fluids—Specification.