Pipe Reducers

Standard: ASTM A234, ASTM A420, ASTM A403, ASTM A815, ASME B16.9, ASME B16.11, etc.

Material Grade: WPB, WPC, WP1, WP5, WP9, WP11, WP22, WP91, WP304, WP304L, WP316, WP316L, WP317, WP321, WP347, UNS S31803, UNS S32205, UNS N08800, copper, any other.

Specification: Outside Diameter from 1/2″ to 60″ NPS. Wall Thickness from SCH10 to XXS

Type: Butt welded, socket welded, threaded, flanged.

Status: New or inventory

Place Of Origin: China

Certification: ISO, API, EN 10204 3.1/3.2, ABS, BV, etc.

Packaging: Seaworthy packing

Port: Shanghai Port or any other

Shipping Method: Sea, Air, Land

Incoterm: FOB, CFR, CIF, EXW, FCA, DAP

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What is a Pipe Reducer

A ‌pipe reducer‌ is a specialized fitting used in piping systems to connect two pipes of different diameters. It ensures a smooth transition between sections of varying sizes, maintaining flow efficiency and structural integrity. Pipe reducers are essential in applications where changes in pipe diameter are required to accommodate flow rate adjustments, pressure management, or space constraints.

What are the types of Reducers?

Based on construction geometry: concentric reducers, eccentric reducers

Based on end connections: butt welded reducers, socket welded reducers, threaded reducers, flanged reducers

Based on material: carbon steel, stainless steel, duplex steel, copper alloy, etc.

How are Pipe Reducers made

  • Seamless Pipe Forming‌: Smaller reducers are often made by reshaping seamless pipes through ‌hydraulic or mechanical pressing‌ to achieve concentric or eccentric tapers‌.
  • Plate Fabrication‌: Large-diameter reducers are formed from steel plates. Plates are cut, rolled, and welded into the desired shape before final machining‌.
  • Forging‌: High-pressure or thick-walled reducers may undergo forging to enhance structural integrity and durability‌.

What is the standard for Pipe Reducers

  • Dimensional and Design Standards: ASME B16.9, ‌ISO 4144, etc.
  • Material Standards: ASTM A234(Covers carbon steel and alloy steel reducers), ASTM A403(Applies to stainless steel reducers), etc.

Sizes and Materials of Our Pipe Reducers

Outside Diameter21.3 to 2032 mm (1/2″ to 80″ NPS)
Wall Thickness2.11 to 60 mm (SCH10 to XXS)
TypeConcentric reducers, eccentric reducers

Butt welded, socket welded, threaded, flanged

Material GradeA/SA-234WPB, WPC, WP1, WP11, WP12, WP22, WP5, WP9, WP91, etc.
A/SA-420WPL6, WPL9, WPL3, WPL8
A/SA-403WP304, WP304H, WP304L, WP310, WP316, WP316H, WP316L, WP317, WP321, WP347, etc.
A/SA-815S31803, S32205, S32750, S32760, S32950, S39274, S32550, etc.
A-860WPHY 42, WPHY 46, WPHY 52, WPHY 60, WPHY 65, WPHY 70

For other customized requirements, please contact us.

‌The use of Pipe Reducers

  • Industrial Systems‌: Oil and gas, chemical processing, and water treatment plants.
  • HVAC‌: Adjusts duct or pipe sizes for airflow optimization.
  • Plumbing‌: Connects pipes in residential or commercial buildings.

Why Choose Us

  • 16 years of experience in this industry. We are experts.
  • solutions for all your needs
  • the highest product quality
  • the low lead times
  • excellent customer service

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