John Gjerde AS

John Gjerde is an innovative provider of equipment made to ensure reliable and safe operation of all kind of floating constructions. Our Mission is to provide solutions that guarding the ship, crew, passengers, cargo and environment. The head office are located in the heart of the innovative maritime cluster of Norway, close to ship owners, crew, ship designers and shipbuilders. We have built up own test facilities for simulating full-scale operation with performance testing and documentation. With 45 years of experience in this market, we have developed a complete new range of “Air Vent Check Valves”, with the name HIDE. HIDE has many unique and patented properties and represent the most optimized and reliable valve in the market.