Alfagomma drives innovation in the naval sector with several newly launched solutions that deliver advanced performances and improved efficiency while optimising costs.


Find the solution that satisfies your needs!

alfagomma rubber expansion joint


Tailor-designed and made according to customer’s needs, AG rubber expansion joints provide unprecedented multiple direction movement absorption and stress relieving in naval piping systems.

The computer-aided design system that operates in conjunction with a robot manufacturing process makes AG Rubber Expansion Joints the most advanced naval expansion joint solution.

Standards and approvals:

  • RINA type approval for marine requirements (TAC)
  • Italian Navy technical rules and specifications (NAV)

alfagomma thunder-lock green weldless technology


Thunder-lock is the most advanced green weldless technology for rigid pipe connections in marine applications.

This innovative system offers greater flexibility over most welding solutions, being suitable for any piping and tubing thickness and surface finish while ensuring maximum reliability.

Installation is easily done by non-specialised pipe fitters with the use of a portable and cost-effective tool.

Thunder-lock guarantees the highest safety levels:

  • No fumes and toxic gases release
  • No post-welding treatments
  • No fire-fighting supervision need

alfagomma dogleg assembly


Alfagomma Dogleg is the innovative and easy to install shock and vibration dampener solution for marine piping systems.

A high-performance multiple directions movement compensator, Alfagomma Dogleg is designed for long service life in the most severe marine environments.

Specially engineered for easy on-board installation and replacement by non-specialised field technicians, the solution meets the most stringent military and shipbuilding standards:

  • RINA type approval for marine requirements (TAC)
  • European Marine Equipment Directive (MED)
  • MIL-STD-167 (vibration) and MIL-S-901 (shock)