球阀：有固定式、浮动式、电动式等多种类型，具有密封性好、流体阻力小、操作灵活、启闭迅速等特点，适用于各种工业管道中液体和气体的输送，包括强腐蚀性介质。

Ball valve: There are various types such as fixed, floating, and electric, which have the characteristics of good sealing, low fluid resistance, flexible operation, and quick opening and closing. It is suitable for the transportation of liquids and gases in various industrial pipelines, including highly corrosive media.

闸阀：有平行式、升降式、截止式等多种类型，可用于切断或调节流体，结构简单、操作方便。

Gate valve: There are various types such as parallel, lift, globe, etc., which can be used to cut off or regulate fluids. It has a simple structure and easy operation.

止回阀：有旋启式、升降式、蝶式等多种类型，能防止流体倒流，常用于防止水锤现象。

金彩汇Check valve: There are various types such as swing, lift, butterfly, etc., which can prevent fluid backflow and are commonly used to prevent water hammer phenomenon.

安全阀：有弹簧式、杠杆式、薄膜式等多种类型，用于保护设备和管道系统安全，当压力超过设定值时自动开启，释放压力。

金彩汇Safety valve: There are various types such as spring type, lever type, diaphragm type, etc., used to protect the safety of equipment and pipeline systems. When the pressure exceeds the set value, it automatically opens and releases the pressure.

蝶阀：结构简单、启闭迅速、安装方便，采用高性能密封材料，密封性能优良，可起到调节流量、切断介质、防止倒流等作用。

金彩汇Butterfly valve: simple structure, quick opening and closing, easy installation, using high-performance sealing materials, excellent sealing performance, can regulate flow, cut off media, prevent backflow and other functions.

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