WJ41H美標波紋管截止閥
WJ41H德標波紋管截止閥
WJ41H-10K日標波紋管截止閥
WJ41W不銹鋼波紋管截止閥
WJ41H/P導熱油波紋管截止閥
J41H/W德標法蘭截止閥
J41H鍛鋼法蘭截止閥
J41Y鍛鋼法蘭自密封截止閥
BJ41Y鍛鋼保溫截止閥
DJ41Y法蘭低溫截止閥
J41B氨用截止閥
J44B角式氨用截止閥
BJ41H、BJ41W保溫截止閥
DSJ41H法蘭式水封截止閥
J44YJ47Y高壓角式截止閥
WJ44H德標角式截止閥
DJ64F低溫角式截止閥
FDJ41H防盜截止閥
KJ41F抗生素截止閥
YJ43HF三通抗生素截止閥