J41B-25CJ41B-25C氨用截止阀

J11T-16型J11T-16型内螺纹截止阀

BS1873BS1873美标截止阀

DJ61F-16PDJ61F-16P低温长轴法兰截止阀

J41F-16PJ41F-16P不锈钢波纹管截止阀

J11H-64J11H-64锻钢截止阀

DJ61Y型DJ61Y型低温截止阀

APIAPI美标低温截止阀

J41F-16PJ41F-16P暗杆不锈钢截止阀

DJ61F-40PDJ61F-40P低温长轴截止阀

CS41HCS41H自由浮球式蒸汽疏水阀

CS14HCS14H液体膨胀式蒸汽疏水阀