stainless steel ferrules are used to avoid erosion of tube at the air pre heater tube inlet and shell inlet of boilers. Our ferrules are made of high quality ss 304 and ss 310 material. The ferrules can be further hardened by special heat treatment...
Being supplied with nitriding to get better life and being fitted in the aph tubes at the entry and exit of flue gas to avoid the erosion of aph tubes....