T/DZJN 64-2021 Active Group standards

T/DZJN 64-2021 Portable tire inflator technical requirements for universal use

Publish Date: 2021-12-01 Implement Date: 2021-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/DZJN 64-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Tire

ICS Name: Precision machinery

Publish Date: 2021-12-01

Implement Date: 2021-12-30

Scope

Main technical content: 5 technical requirements 5.1 Appearance 5.1.1 The product's shell should be well-formed, with a smooth and flat surface, consistent color, no cracks, missing materials, or obvious deformation. The dimensions of the product should meet the requirements of the design drawings. 5.1.2 The plating layer of metal parts should be uniform, without exposed base metal, and free from obvious cracks or other defects. 5.1.3 The plastic spray coating should be uniform, without bubbles, accumulation, or drip marks. 5.1.4 All markings should be clear and legible, and not easily rubbed off. 5.1.5 The buttons should not be loose or sticky. 5.1.6 The screen should display normally, with uniform colors, no local discoloration, no bubbles, black screens, or other malfunctions. 5.2 Major components should comply with the requirements of QC/T 1123-2019, section 4.2. 5.3 After assembly, the airtightness of all components of the product should be tested. When the air pressure is below 241 kPa, the air leakage rate should be less than 7 kPa/3 s. (a) The accuracy of the pointer-type air pump pressure gauge should not be lower than the 1.6 grade specified in JJG 927-2013. (b) The accuracy of the digital display air pump pressure display should not be lower than the 1.0 grade specified in JJG 875-2019.