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UDC 665.6.005 : 621.643.4.06: 669.14–134 (Reprinted, incorporating Amendments Nos. 1 and 2) Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101 Not for Resale, 08/09/2010 10:02:00 MDT No reproduction or networking permitted without license from IHS --``,`,,,`,,``,`,,``,``````,`,-`-`,,`,,`,`,,`---

BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

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Page 1: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

UDC 665.6.005 : 621.643.4.06: 669.14–134

(Reprinted, incorporating Amendments Nos. 1 and 2)

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 2: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 3: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

3021 5518

June 1979

March 1987

As indicated by a line in the margin

As indicated by a line in the margin

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 4: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

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Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 5: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 6: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 7: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

CAUTION. Unions should only be used as complete assemblies because component parts of unions made by different

manufacturers, or component parts of different types of unions made by the same manufacturer, are not necessarily interchangeable.

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 8: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 9: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

This page deliberately left blank

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 10: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Table 1. Pressure/temperature ratings Bar/°C

BS 3799 : 1974

8 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 11: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Table 1. Pressure/temperature ratings

Bar/°C

BS 3799 : 1974

9 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 12: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

This page deliberately left blank

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 13: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

11 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 14: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

12 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 15: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

13

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 16: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

14 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 17: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

15 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 18: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

16 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 19: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

17 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 20: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

18 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

--``,`,,,`,,``,`,,``,``````,`,-`-`,,`,,`,`,,`---

Page 21: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

19 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 22: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

20 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 23: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

21 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 24: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

22 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 25: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

23 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 26: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

24 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 27: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

25

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 28: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

26 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

--``,`,,,`,,``,`,,``,``````,`,-`-`,,`,,`,`,,`---

Page 29: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 30: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 31: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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Page 32: BS 3799 (74) Specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry.pdf

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=BP International/5928366101

Not for Resale, 08/09/2010 10:02:00 MDTNo reproduction or networking permitted without license from IHS

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