J941Y电动截止阀

J941H电动截止阀

DJ41Y低温截止阀

聚全氟衬里截止阀

J11Y锻钢截止阀

Class 300 Globe Valve 截止阀

BJ41W保温截止阀

国标波纹管法兰截止阀

氨用阀截止阀

氧气截止阀

J41N-25\J41N-40液化气截止阀

压力自紧式阀盖