Tyco International announced that it has completed the acquisition of Industrial Safety Technologies (IST), a global leader in gas and flame detection, from Battery Ventures for $329.5 million in cash.  On an annualized basis, this business is expected to generate approximately $140 million in revenue.

The combination of IST with Tyco's Scott Safety business will make Tyco one of the largest global designers and manufacturers of gas and flame detection products, offering customers a full range of safety solutions across both fixed and portable detection.