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Pipe Reducers

Pipe Reducers are the component in a pipeline that reduces the pipe size from a larger to a smaller bore (inner diameter).

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Even welding and smooth weld line, can be substitute for seamless tube after drawing and cold rolling.

ASME B16.9

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This Standard covers overall dimensions, tolerances, ratings, testing, and markings for wrought factory-made buttwelding fittings in sizes NPS 1 ⁄ 2 through 48 (DN 15 through 1200).

ASTM A234/ SA234M

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ASTM A234/ SA234M Standard specification for pipe fittings of wrought carbon steel and alloy steel for moderate and high temperature service.

Key Specifications/Special Features of pipe reducer, reducer fittings

Standard: ANSI B16.9 / 16.28, ASTM A53/A106, API 5L, ASME B36.10M—1996, DIN2605 / 2615 / 2616, JIS P2311/2312

Surface treatment: Transparent oil, rust-proof black oil or hot galvanized.

  • Based on different materials, pipe reducers include carbon steel reducer, stainless steel reducer, and alloy steel reducer etc.
  • Depending on their construction, pipe reducers contain threaded reducer, tapered reducer and anti-roll reducer etc.

Welded pipe fittings are made as per ASME spec B16.9. ASME B16.9 covers factory made wrought steel butwelding fittings in sizes 1/2″ to 48″. This standard however does not cover low pressure corrosion resistant buttwelding fittings. See MSS SP-43, Wrought Stainless Steel Butt-Welding Fittings.A234 WPB is the most common material used for carbon steel butt welded fittings.

ASTM A234 WPB is the Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service.

Specifications  

  • ASTM:   A234 WPB
  • ASME:   B16.9, B.11
  • NACE:    MRO175
  • MSS:      SP-83, SP-95

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Abrasion resistant reducer