Reducer, Malleable Iron, Not Applicable, ASTM A197, Class Class 150, For Pipe Schedule 40, 1 in, Female, NPT, 1 3/4 in, 11 1/2, 1 In.-11.5, 1/4 in, Female, NPT, 13/16 in, 18, 1/4 In.-18, Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable, 300 psi Maximum Operating Pressure