The heating element of this series of turbine bolt electric heaters is made of 0Cr27A17Mo2 high-temperature resistance alloy wire, 1Cr18Ni9Ti stainless steel tube as protective sleeve, crystalline magnesium oxide filler, and formed through compression process to ensure the use of the electric heating element. There are three types of protective sleeves: straight, semi soft, and fully soft.
This product introduces advanced foreign technology and is specifically designed for heating hollow bolts during installation and maintenance of steam turbines and large machinery to meet the requirements of fastening and dismantling.