Such blowers are designed in double stagemulti impeller enabling to produce extra high pressure up to 1500 wg pressure but having high volume i.e. 300 cfm to 20000 cfm, are applicable for oil fired burners to create proper atomization and complete combustion of oil, forced air cooling, pneumatic conveying and liquid agitation. Made out of ms and ss fabricated, direct drive, power consumption 10 hp to 100 hp