S4 Surelok™ Connector
The S4 Surelok™ weldless casing connection offers a simple and quick alternative to welded bottom casing heads. With the ability to be installed without welding, this connector is ideal for applications where an open flame is a safety or time lost concern. Most sizes can be safely installed in less than 60 minutes.
Features –
- Simple installation
- No welding required
- No special tools or services required
- Seals tested externally
- Rated for full casing head load (subject to casing limitations)
- Load transfers to conductor pipe
- API 6A, PR2 qualified
- Reversible and reusable
- Optional configurations
- Adjustable baseplate

