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Half Coupling 4" NPT 206 Bar A105
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Description
Half Coupling 4" NPT 206 Bar A105
- size: 4"
- female thread: NPT (tapered)
- pressure class: 3000 lbs (206 bar)
- material grade: A105 (boiler steel equivalent to P245GH, P285GH)
- excellent weldability
- application: boilers, high-pressure installations, high-temperature installations, refineries, marine industry, steel industry, industrial machinery, pressure vessels
- high-pressure half coupling
- 3.1 certificate available on request (free of charge)

Information
Threaded fittings belong to the group of high-pressure fittings. They are available in all inch sizes. Each fitting is marked with the size, material grade, heat number and pressure class. They ensure safety and durability of the installation. All threaded fittings are available with a 3.1 certificate.
A105 is a carbon steel commonly used for piping components, flanges and fittings. This carbon steel grade is intended for pressure systems operating at ambient and elevated temperatures. It offers good machinability, as with other low-alloy steels, and excellent weldability.
Applications: refineries, steel industry, marine industry, high-pressure installations, demanding industrial applications, high-temperature service with A105, low-temperature service with LF2, boilers, pressure vessels, hydraulic systems, outdoor installations, oil and gas industry.
Applications: oil and gas transmission, petrochemical plants, power stations and similar industrial installations.
Similar material grades: 1.0460, C22.8, P245GH, P265GH
We offer steel sockets and half-sockets in various sizes. If you have any questions, please contact us. Call us at 004863 2614202 or send an inquiry to the email: biuro@polberis.pl.
You can find more about half couplings here>>
Write to us if you have European VAT number and do not want to pay the TAX. We will prepare an offer without VAT.Contact us if you want to know price of shipping. Send an inquiry to e-mail: biuro@polberis.pl
Technical data
| Coupling Type | Half Coupling |
| Material | Carbon Steel |
| Pressure | Pressure Range 101–250 bar |
| Connection 1 | 4'' |
| Thread Type – Connection 1 | NPT Thread |
| Connection 2 | 4'' |
| Thread Type – Connection 2 | For Welding |

