Pres‑Vac Engineering is a global leader in pressure/vacuum valves for the tanker and offshore industry. Based in Denmark and part of G&O Maritime Group, Pres‑Vac has delivered safe, efficient and IMO-compliant venting solutions for over 70 years.

Our valves are used on a large share of the world’s tanker fleet, known for minimising emissions, protecting cargo tanks, and ensuring crew safety. Certified by all major classification societies, our products meet the latest IMO, ISO and ATEX standards — including for methanol and ammonia-fuelled vessels.