Coupling 2'' NPT A105 Class 3000 Zinc Plated

• Size: 2'' (thread diameter: 56.4–56.7 mm)
• Thread: NPT (tapered thread)
• Pressure class: Class 3000 (206 bar)
• Material: A105 carbon steel
• Suitable for welding
• Dimension D: 76 mm
• Dimension W: 86 mm
• 3.1 material certificate available on request (free of charge)
• Applications: industry, exported machinery, hydraulic systems, high-performance installations, pressure systems, central heating
• Origin: European Union

Alternative Name: Coupling 2'' NPT A105 Class 3000 Zinc Plated, threaded coupling, high-pressure threaded fitting, NPT tapered thread coupling, carbon steel coupling, weldable threaded socket.

Information

Coupling 2'' NPT A105 Class 3000 Zinc Plated belongs to the family of high-pressure threaded fittings. It is designed for demanding pressure installations and is available in a full range of inch sizes. Each coupling is permanently marked with its size, material grade, heat number, and pressure class, 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 piping 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

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 A105 NPT threaded couplings in other sizes. If you have any questions, please contact us. Call +48 63 261 42 02 or send your enquiry to biuro@polberis.pl.

Coupling 2'' NPT A105 Class 3000 Zinc Plated is also available in other sizes from our product range.

Learn more about threaded couplings here >>