WJ41H、WJ41W波纹管截止阀
H76H、H76Y、H76W、H76X、H76F 型对夹蝶形止回阀
J41W不锈钢截止阀
BJ41W、BJ41Y保温截止阀
H61H、H61Y 型 800(Lb) 承插焊锻钢止回阀
电站止回阀
JY41W、JY41Y氧气专用截止阀
J41N燃气截止阀
H41国标升降式止回阀
DJ41Y、DJ41W低温截止阀
内螺纹旋启式止回阀
J41H、J41Y、J41F美标截止阀
H42X升降式底阀
H72型对夹立式止回阀
J41H、J41Y、J41F国标截止阀
J541Y、J541H、J541W锥齿轮截止阀
H46H/Y/W止回阀
J941Y、J941H、J941W电动截止阀