Swan Enterprise is a Manufacturer, Supplier, Dealer and Exporter of ESP Spare Parts from India.These ESP Internals that are used as ESP Rapping Mechanism, are our in house production. The purpose of an Electrostatic Precipitator or ESP is to avoid dust particles being expelled into the atmosphere where they can cause pollution. ESPs are installed at many types of Industrial Plant, but they are most easily identified at Thermal Power Plants , Coal- Fired Paper Mills etc.