Product Introduction

According to customer’s demand, we use sand casting process to produce a variety of models of door , general material is carbon steel , the surface can be paint treated or not. We can provide users with heat-resistant glass , the inner liner etc.

Among the auxiliary accessories of the heating furnace, the fire door is the most commonly used part with the most contact times.
The opening and closing several times a day makes the sealing surface of the fire door damaged and becomes one of the sources of air leakage in the heating furnace. Because the fire door The air leakage at the place does not participate in the combustion,
which brings inconvenience to the control of the oxygen content of the heating furnace and affects the thermal efficiency of the furnace.