
Glass plant, pipeline and fittings. Specification for pipeline and fittings of nominal bore 15 to 150 mm: compatibility and interchangeability
出版:British Standards Institution

專家解讀視頻
Requirements for compatibility and interchangeability of fittings which include spacers, adaptors, reducers, bends, tees and valves; also adaptor flanges for use with buttress ends of different designs.
? British Standards Institution 2013
ISO 3587:1976 - Identical