T/HNPCIA 26-2022 Regular Inspection and Evaluation of Liquefied Dimethyl Ether Composite Fuel Cylinders
T/HNPCIA 26-2022 Liquefied Dimethyl Ether Composition Fuel Bottle Periodic Inspection and Evaluation
Basic Information
Scope
Scope: Applicable to the periodic inspection and evaluation of refillable liquefied dimethyl ether composite fuel steel cylinders with an ambient temperature of -40°C to 60°C, a nominal working pressure of ≤2.1 MPa, a water pressure test pressure of ≤3.2 MPa, and a nominal volume of not more than 130 L; Main technical content: It specifies the technical requirements for the periodic inspection and evaluation of liquefied dimethyl ether composite fuel steel cylinders, including the inspection institutions, inspection cycles, and inspection items; inspection preparation; visual inspection and evaluation; inspection and evaluation of welding joints; inspection and evaluation of valve seat joints; wall thickness measurement; volume measurement; water pressure test; cylinder valve inspection and assembly; and leakage test.