 It has become an ideal ship protection medium used extensively by large tankers, LPG vessels, ocean platforms etc.The most appropriate type will depend on its application and the requirements of the equipment.The submarine hydro-pneumatic fender (SHPF), first developed in the 1980s, is a unique fender system designed to provide minimal hull pressure loads and soft compression during berthing and a large stand-off to accommodate the large bulbous shape of the submarine.