radiant gas fired tubes by Qingdao Hexin Machinery Co.,Ltd.
radiant gas fired tubes The straight pipe of U-type radiant tube adopts high temperature centrifugal casting pits pipe, bend adopts precision casting technology, radiant tube welding after dye penetrant inspection and pressure test etc., according to international standards or customer required to complete the material composition, size inspection, effectively control the product quality of radiant tube The U -tupe radiant tube are usually used for continuous annealing line and galvanizing line vertical annealing furnace, u nder the hydrogen nitrogen protective environment, Tube is provided by natural gas or coke oven gas combustion heat energy,and radiate the heat to workpiece through tube wall, By way of radiation heat transfer outside tube,and make the strip steel running at a constant speed heated to 900 ℃ quickly from the normal temperature, and make annealing treatment to strip steel.straight pipe adopt centrifugal casti...