Chemical and Pharmaceutical Machinery
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H41N-25C氨用止回阀-江苏海航 | Seller: 江苏海航阀门有限公司 | H41N-25C止回阀 天然气升降式止回阀特点:升降式止回阀利用流体压差和自身重力实现升降，适用燃气管道控制接通和裁断管路介质的启闭装置，阻止介质逆流。主要零件材料阀体、阀盖 阀瓣 阀杆 密... |
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Split Butterfly Valve,ab valve | Seller: Hangzhou Geevo Technology Co., Ltd. | Split Butterfly Valve Containment Devices Transfer Technology Fast and secure transfer for large ... |
