This standard specifies the types and parameters, technical requirements, test methods and qualification standards, inspection rules and markings, packaging, transportation and storage requirements of aluminum liner carbon fiber fully wound composite gas cylinders (hereinafter referred to as gas cylinders) for respirators. This standard is applicable to the design and manufacture of gas cylinders with a nominal working pressure not greater than 30 MPa, a nominal volume not greater than 12 L, and an ambient temperature of -40°C to 60°C, which can be refilled with breathing gas.
GB 28053-2011 Referenced Document
GB 191 Packaging--Pictorial marking for handling of goods
GB/T 12137 Methods for leakage test of gas cylinders*, 2015-12-10 Update
GB/T 3191 Extrusion rods and bars of aluminium and aluminium alloys*, 2019-06-04 Update
GB/T 3246.1 Methods for structural examination of deformed aluminum and aluminum alloy products Part 1: Microstructural examination methods*, 2024-03-15 Update
GB/T 3246.2 Inspection method for structure of wrought aluminum and aluminum alloy products.Part 2:Inspection method for macrostructure*, 2012-12-31 Update
GB/T 3362 Modification No. 1 of Test Method for Tensile Properties of Carbon Fiber Multifilament
GB/T 3880.1 Aluminum and aluminum alloy plates and strips for general industrial use Part 1: General requirements*, 2023-09-07 Update
GB/T 3880.2 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering.Part 2:Mechanical properties*, 2012-12-31 Update
GB/T 3880.3 Wrought aluminium and aluminium alloy plates, sheets and strips for general engineering.Part 3:Tolerances on forms and dimensions*, 2012-12-31 Update
GB/T 3934 Specification of gauges for general purpose screw threads
GB/T 4437.1 Aluminum and aluminum alloy hot extruded tubes Part 1: Seamless round tubes*, 2023-11-27 Update
GB/T 4612 Plastics.Epoxy compounds.Determination of epoxy equivalent
GB/T 6519 Ultrasonic inspection method for deformed aluminum and magnesium alloy products*, 2024-03-15 Update
GB/T 7690.3 Reinforcements.Test method for yarns.Part 3:Determination of breaking force and breaking elongation for glass fibre*, 2013-11-27 Update
GB/T 9251 Methods for hydrostatic test of gas cylinders*, 2022-03-09 Update
GB/T 9252 Method for pressure cycling test of gas cylinders*, 2017-10-14 Update