下展式放料截止閥

FJX44PTFE,FJX44F4,FJX44F46,FJX44F3,FJ44PTFE,FJ44F4,FJ44F46,FJ44F3

主要材質(zhì) 

 閥體     不銹鋼 304 304L 316 316L
 閥桿       2cr13 1cr18ni9ti 304 304L 316 316L
 閥板     F4,PE,PTFE,F3,F46, 2cr13 1cr18ni9ti 304 304L 316 316L