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NEN ISO 8449 : 1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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PIPEWORK - SINGLE OVERLAP FLEXIBLE METAL HOSES (ASBESTOS PACKING, LIMITED TIGHTNESS, CIRCULAR OR POLYGONAL SECTION, IN PROTECTED CARBON STEEL)
01-12-2004
12-01-2013
Specifies diameters of single overlap flexible metal hoses with asbestos packing, of limited tightness, of circular or polygonal section, in protected carbon steel, and defines requirements to be verified in accordance with ISO 7658.
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