Transcription of BS 4504 Circular Flanges - General
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BS 4504 Circular Flanges - General
- Hyupshin FlangesABS 4504 Circular Flanges - GeneralBritish Standard BS 4504 : Section : 1989 - Circular Flanges for Pipes, Valves andFittings (PN Designated), Specification for Steel Flanges . This covers Flanges in nominalpressure ranges PN to PN 40 and nominal sizes up to DN 4000 (see table below). BS 4504 substantially agrees with ISO 7005-1 : 1992 (E) Part 1 : Steel 4504 : 1969 is still commonly used. This older standard allows for manufacture frombar, whereas the latest standard specifies that forging or plate are to be used, which canbe significantly more expensive. There are minor differences in dimensions between thetwo versions. The following tables are based on the later > DN 2000, are not covered in this summary.
www.pipe-flange.com - Hyupshin Flanges A 8-63 BS 4504 Circular Flanges - General Manufacture Materials. Flange codes 111 112 and 113 are manufactured from a forging or steel casting.
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