Products

Ultra-low temperature top type with access port all metal hard butt welding butterfly valve Features: Replaceable valve seat structure, with easy replacement, easy maintenance, the type of top type butterfly valve with an overhaul bin, when the valve is used for a period of time to check or repair, do not need to remove the valve from the pipeline, just remove the valve body overhaul hole at the upper flange bolts and nuts, remove the valve cover can be directly inspected, and can be replaced online sealing ring, the design saves maintenance time, The loss in production is reduced to the lowest point, the valve cover adopts the extended valve cover design, the bottom temperature of the valve stem packing seal is kept above 0℃, the valve cover is designed with an isolated drop disk, which can effectively increase the cooling area and prevent condensate from flowing into the thermal insulation