BSI BS 1640-4:1968

Withdrawn Revision
Specification for steel butt-welding pipe fittings for the petroleum industry -- Wrought and cast austenitic chromium-nickel steel fittings. Metric units

Best Price Guarantee Mar 21, 1968 English 16 Pages

This Document Has Been Superseded

A newer publication replaces it: BSI BS EN 10253-3, BSI BS EN 10253-4


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BSI BS 1640-4:1968

Specification for steel butt-welding pipe fittings for the petroleum industry -- Wrought and cast austenitic chromium-nickel steel fittings. Metric units

PUBLISH DATE 1968
PAGES 16
BSI BS 1640-4:1968

ANSI B16.9; ANSI B16.28; ASTM

Dimensions and tolerances, materials, methods of manufacture, pressure/temperature ratings, marking, inspection, tests for seamless and fabricated fittings:

  • 45° long radius elbows
  • 90° long and short radius elbows
  • 90° long radius tangent elbows
  • Long and short radius return bends
  • Equal and reducing tees
  • Concentric and eccentric reducers
  • Caps and lap-joint stub ends

Sizes: 19 mm to 609.5 mm.

Note: Welding-neck flanges not included.

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