下展式放料截止阀
FJX44PTFE,FJX44F4,FJX44F46,FJX44F3,FJ44PTFE,FJ44F4,FJ44F46,FJ44F3
主要材质
阀体 不锈钢 304 304L 316 316L 阀杆 2cr13 1cr18ni9ti 304 304L 316 316L 阀板 F4,PE,PTFE,F3,F46, 2cr13 1cr18ni9ti 304 304L 316 316L