Square Head Plug 1/4'' BSPT A105 Class 3000

• Size: 1/4'' (thread diameter: 12.9–13.1 mm)
• Thread: BSPT
• Maximum working pressure: 400 bar
• Manufactured according to: ANSI B16.11
• Plain square head plug (without flange)
• Material: ASTM A105 carbon steel
• High-pressure threaded plug
• Applications: pipeline sealing, pressure testing, high-pressure installations, boilers, ships, heavy industry, pressure vessels
• 3.1 material certificate available on request (free of charge)
• Origin: European Union

Alternative Name: Square Head Plug 1/4'' BSPT A105 Class 3000, square socket plug, plain threaded plug, BSPT pipe plug, high-pressure steel plug, carbon steel sealing plug.

Information

Square Head Plug 1/4'' BSPT A105 Class 3000 is designed for sealing high-pressure BSPT threaded connections in industrial piping systems. The square head allows easy tightening with a wrench, while the full threaded body ensures a secure, pressure-tight connection.

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 demanding 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.

Features

• Permanently marked with size, material grade, heat number, and pressure class
• Manufactured according to applicable standards
• Easy selection of thread type and material grade
• Reliable sealing in high-pressure systems
• Available only in inch thread sizes

We also offer threaded plugs and sealing plugs 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.

Square Head Plug 1/4'' BSPT A105 Class 3000 is also available in other sizes from our product range.

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