T/HNPCIA 03-2016 Regular Inspection and Evaluation of Liquefied Dimethyl Ether Steel Cylinders
T/HNPCIA 03-2016
Basic Information
Scope
Scope: Applicable to the regular inspection and evaluation of refillable liquefied dimethyl ether steel cylinders with an ambient temperature of -40℃ to 60℃, a nominal working pressure of ≤1.6MPa, a hydrostatic test pressure of ≤2.4MPa, and a nominal volume of no more than 130L; Main technical content: It specifies the technical requirements for the regular inspection and evaluation of liquefied dimethyl ether steel cylinders, including the inspection agencies, inspection cycles, and inspection items; inspection preparation; external inspection and evaluation; inspection and evaluation of welded joints; inspection and evaluation of valve seat joints; wall thickness measurement; volume measurement; hydrostatic test; cylinder valve inspection and assembly; and air tightness test.