Designed for operation in subways of urban transport. It consists of a blind crossing and four arrows.
Rails of arrows are treated with HFC. Design features: exit: execution with three left and one right arrows, crutch and terminal fastening; arrows: rotary shank, liner and overlay root fastening; crossbars: blunt mark 2/9 - solid cast from high-manganese steel with inset endings of the front and rear spans; sharp mark 2/9 - prefabricated with rail usoviki and cast core of high-manganese steel with moulded inset endings of the rear spans; sharp mark 1/9 - prefabricated with rail whiskers and cast core of high-manganese steel with moulded liner end of the rear extension; counter-rail made of angle SP850.
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