Q41F-10P-小口径球阀

Q41F-16P-304法兰球阀

PQ41PPL-16C-手动排污球阀

Q941F-16P-带手轮防爆电动球阀

Q41F-16P-304三片式球阀

Q41F-16P-304锻钢球阀

Q41F-法兰连接手动球阀

Q41M-16C-手动排污球阀

Q44F-25P-手动三通球阀

Q941F-16P-带手轮防爆电动球阀.

BQ41F,BQ41H,BQ41W-软密封保温球阀

QY41F-16P,25P,40P-软密封氧气球阀.