BQ41H一体式保温球阀.

BQ73F保温球阀.

液控固定球阀

QY41F-16P,25P,40P-软密封氧气球阀.

BQ41F,BQ41H,BQ41W-软密封保温球阀

Q41M-16C-手动排污球阀

Q46F,Q46H,Q46W-手动软密封四通球阀

Q347N-国标锻钢固定法兰球阀

Q341H-硬密封法兰球阀

BQ71PPL手动对夹保温球阀

BJ41W手动保温截止阀

Q46F-法兰连接四通球阀