The SFT40AF Lever Float Steam Trap is a high-performance trap with a cast steel body and cover. All internal parts are stainless steel, designed with wear allowances for longevity. It features a special channel design to prevent water hammer and a patented flexible closing system for zero steam leakage. Equipped with an integrated air vent, independent filter, and a bottom drain plug to prevent freezing. It supports a back pressure rate of over 95%.