OsecoElfab

OsecoElfab is a global manufacturer of customized rupture discs, explosion vents, burst sensors, and pressure relief devices, formed from the merger of U.S.-based Oseco and UK-based Elfab. The company operates two manufacturing facilities in Broken Arrow, Oklahoma and North Shields, England, supported by six regional sales offices and over 60 approved representatives worldwide. OsecoElfab serves the oil and gas, chemical processing, pharmaceutical, power generation, and industrial sectors with engineered pressure safety solutions. A subsidiary of Halma plc, the FTSE 100 safety technology group, OsecoElfab offers over 120 product variants including reverse buckling and forward acting rupture discs, sanitary and pharmaceutical-grade devices, lithium-ion battery safety products, and explosion protection panels. The company provides engineering services including site surveys, custom design, ASME flow testing, and training. OsecoElfab received the King's Award for Enterprise in International Trade in 2025 and has more than 50 years of experience in pressure relief engineering.