HG/T 4377-2012Floating upward-flow filters (English PDF)

HG/T 4377-2012 is the English-translated version of 浮动上滤式过滤器.

The floating upward-flow filter is the subject of HG/T 4377-2012, a recommended Chinese chemical industry standard. It gives terms and definitions, the naming of the equipment, its structure and basic parameters, and then the requirements, test methods, inspection rules, signs, packaging, storage and transport. The filters it applies to are vessels used in water treatment service. Classification places it at G93 in China and under 71.120.10 and 75.180.20 internationally, among chemical process equipment. Because the units are pressure vessels it is cited with the GB 150 series, along with GB/T 191, GB/T 710, GB/T 8923, GB/T 13306 and the HG/T 21514 to HG/T 21519 group of fittings standards. Issued on 7 November 2012, it has applied since 1 March 2013.

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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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