Reducing Coupling 1/2'' × 3/8'' NPT Class 3000 A105 Carbon Steel

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Description

Reducing Coupling 1/2'' × 3/8'' NPT Class 3000 A105 Carbon Steel

  • Female threads: 1/2'' × 3/8''
  • Thread type: NPT (tapered thread)
  • Pressure class: Class 3000 (206 bar)
  • Material: A105 carbon steel (equivalent to P245GH, P285GH)
  • Excellent weldability
  • Dimension D: 28 mm
  • Dimension W: 48 mm
  • Applications: high-pressure installations, boilers, high-temperature systems, refineries, marine industry
  • Manufactured according to: ANSI B16.11
  • 3.1 material certificate available on request (free of charge)
  • Origin: European Union

Alternative Name: Reducing Coupling 1/2'' × 3/8'' NPT Class 3000 A105 Carbon Steel, high-pressure reducing coupling, NPT threaded reducing socket, carbon steel threaded fitting, female × female reducer.

Information


Reducing Coupling 1/2'' × 3/8'' NPT Class 3000 A105 Carbon Steel belongs to the family of high-pressure threaded fittings. It is designed to connect two different NPT female thread sizes in demanding pressure systems. Each fitting is permanently marked with its size, pressure class, material grade, and heat number, ensuring full traceability. All threaded fittings are available with a 3.1 material certificate.

A105 Carbon Steel

ASTM A105 is a forged carbon steel widely used for pipeline components, flanges, and threaded fittings operating at ambient and elevated temperatures. It offers excellent machinability, weldability, and mechanical strength, making it ideal for pressure applications.

Applications

  • Oil and gas pipelines
  • Petrochemical plants
  • Power plants
  • Pressure vessels
  • Industrial piping systems
  • Refineries
  • Marine industry

Equivalent material grades: 1.0460, C22.8, P245GH, P265GH, P285GH, S235JR.

Additional Information

  • Material grade on certificate: A105 (equivalent to P280GH, P245GH according to EN 10222-2)
  • Coupling marked with size, pressure class, material grade, and heat number
  • PED certification: 97/23/EC and 2014/68/EU
  • Manufactured according to ASME Section II Part A – ASTM A105
  • Due to the tapered NPT thread design, the thread does not extend through the entire coupling

We also offer NPT reducing couplings in other sizes. If you have any questions, please contact us. Call +48 63 261 42 02 or email biuro@polberis.pl.

Reducing Coupling 1/2'' × 3/8'' NPT Class 3000 A105 Carbon Steel is also available in other sizes from our product range.

Learn more about threaded couplings here >>

Technical data

Coupling Type Reducing Coupling
Material Carbon Steel
Pressure Pressure Range 101–250 bar
Connection 1 1/2''
Thread Type – Connection 1 NPT Thread
Connection 2 3/8''
Thread Type – Connection 2 NPT Thread

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