BX43W-1.0C/PBX43W-1.0C/P二通保温旋塞阀

BX44W-1.0C/PBX44W-1.0C/P三通保温旋塞阀

BY41HY型保温过滤器

BJ41W夹套保温截止阀

BJ45WBJ45W直流式保温截止阀

BH41WBH41W夹套保温止回阀

BZ41H/W保温夹套闸阀

BZ41H/W不锈钢保温闸阀

BQ41F-16BQ41F-16缩径保温球阀

BQ41BQ41二通软（硬）密封保温球阀

BQ45F保温三通球阀

BQ71F对夹式保温球阀