More than 90 years experience in the development and production of high-quality flexible elements makes BOA a global leader in pipe work systems and instrument engineering. Main product groups are expansion joints, metal hoses and metal bellows. Two thirds of our production is exported worldwide through subsidiaries, agencies and associated companies.
The strength of BOA lies in its extensive experience in forming and welding techniques, related in particular to thin-walled alloyed steel. The personnel at BOA are technically competent in the design, calculation and manufacture of corrugated flexible elements used under pressure and exposed to extreme temperatures.
Thanks to the latest techniques, the high quality standards according to ISO 9001 and a highly motivated team, BOA is among the leading competitors providing advanced technical solutions and excellent services in the field of pipe work systems and instrument engineering.

• Pump and Valve