Low temperature metal bellows seal HW680/670/676 Series

Low temperature bellows sealing is a sealing technology used in extreme low temperature environments, which ensures the safety of pumped fluids while providing long-term reliability. When designing pumps for transporting low-temperature fluids, special designs are often used, such as vertical multi-stage double shell pumps according to the American Petroleum Institute (API) 610 standard. These pumps have a heating chamber called a cofferdam that can thermally isolate the shaft seal from the cold pumped fluid, allowing for the use of traditional sealing techniques

READ MORE