JB/T 3548-2013Thermostatic refrigerant expansion valves (English PDF)

JB/T 3548-2013 is the English-translated version of 制冷用热力膨胀阀.

JB/T 3548-2013 is a recommended Chinese machinery industry standard for thermostatic expansion valves used in refrigeration. It fixes the terms and definitions for the thermal expansion valve, its basic parameters, the requirements it has to meet, the testing, the inspection rules and the provisions on marking, packaging, transport and storage. Its field of application is set in terms of the evaporating temperature at which the valve works. It quotes JB/T 7249. The classification codes recorded for it are J73 in the Chinese system and 27.200 in the international system. The document supersedes the earlier edition JB/T 3548-1991, and it belongs to the mechanical and machinery industry group of Chinese standards.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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