... reducer plastic pipe reducer SpecificationsSize : 1/2"NB TO 4"NB IN Class : 3000 LBS, 6000 LBS, 9000 LBS Type : Socket Weld ... (S/W) & SCREWED (SCRD) aa NPT, BSP, BSPTConcentric Reducer is used to change from pipe diameter in ... , 317L, 321, 347, 347H, 409, 410, 410S, 420, 430Specificationscarbon reducer/pipe reducer/Eccentric Reducer Material:A234 WPB ST37 Standard:ASTM JIS ...