Sub Adapters and Check Valves

Carlos M. Rosa Lda produces various types of Sub Adapters and Check Valves, pin to box, pin to pin and box to box, with different measures and threads (API Regular, API IF, API FH and others), with high drilling performance and durability, with application for waterwell, geotechnical, foundations, mining etc.

Our Subs can also be equipped with float valves (check valves).

If you need some information, please contact us.