A Topping / Bottoming Turbine is useful, in case of changed inlet & exhaust steam condition. In case of a Bottoming Turbine application, the surplus exhaust / extraction steam from an existing steam turbine can be utilized in another Bottoming Turbine, which could be of back pressure or condensing design. A Topping Turbine can be used in a way that the exhaust steam from the Topping Turbine can be used in existing steam turbine.
Over the years MaxWatt has supplied many turbines for these applications. Many of these machines use custom design and features to meet individual process needs.