This part of GB/T9065 specifies the basic requirements and dimensional requirements for the design and performance of 60° conical hose joints made of carbon steel (see Figure 1 for a typical example). This section applies to hoses with a nominal inner diameter of 5 mm to 51 mm (according to the nominal inner diameter of hoses in GB/T2351). Note: If other materials are selected, it shall be negotiated by both parties. Instructions: 1 —— hose connector; 2 —— O-ring;
GB/T 9065.6-2020 Referenced Document
GB/T 2351 Fluid power systems and components—Outside diameters of tubes and inside diameters of hoses*, 2021-05-21 Update
GB/T 2351-2005 Fluid power systems and components-Connectors and associated components-Nominal outside diameters of tubes and nominal inside diameters of hoses