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Butt Weld Fittings

We can offer unique knowledge and experience as regards manufacture and development of butt weld fittings in both standard and special production.

OSTP supplies butt weld fittings to coordinate with our process pipes and with selected grades we can offer.

Click each item to view the product specific tables from our Product Catalogue:




Reducers CC

Reducers EC


End Caps 


Specially produced butt weld fittings can be supplied upon request.

In our Product Catalogue you can find more information on for example tolerances, flange joints, our stainless steel grades and material selection and design.

OSTP also offers online CAD-support for our tubular products.



mar 2019
As our business develops, we constantly need knowledgeable and motivated personnel, such as welding operators, metal workers, maintenance installers, electric automation installers, etc. You can fill in an open application where you can define what kind of job you are looking for.
apr 2019
We are currently looking for employees for the following tasks. All applications must be submitted via the Barona website.

- Material, welding & forming specialist
- Logistics manager
- The welder
- Electrician for shift work
- Welding operator

All applications can be found on the Barona website ( with the keyword OSTP.