Besa designs and produces safety valves to discharge gases and liquids. Besa's main activity fields are heaters and boilers manufacturing, shipyards, power generation plants as well as pharmaceutical, chemical and petrochemical industry. Besa was founded in 1946 in Italy and designs and manufacturer’s Safety Relief Valves in Cast Iron, Carbon Steel and Stainless Steel to discharge gases and liquids. Flowstar is Besa's exclusive stockist and distributor for the UK and Ireland. Besa Safety Relief Valves are designed, manufactured and selected accordingly with European directives 97/23/CE (PED), 94/9/CE (ATEX), EN 4126-1, EN 12516, ASME B16.34, API 520, API 526 and certified/approved by I.S.P.E.S.L. and pascal (PED directive), ICIM (ATEX directive), RINA, Germanischer Lloyd and Bureau Veritas (marine field), GOST-R F SETAN (Russian market).