By purpose

開斷閥：切斷或接通管路介質。如截至閥、閘閥、球閥、旋塞閥等;

Disconnect valve: cut off or connect the pipeline medium. Such as stop valve, gate valve, ball valve, plug valve, etc;

調節閥：調節介質的壓力或流量。如減壓閥、調節閥;

Regulating valve: regulating the pressure or flow of medium. Such as pressure reducing valve and regulating valve;

止回閥：防止介質倒流，如止回閥。

Check valve: prevent medium backflow, such as check valve.

分配閥：改變介質的流向，起分配作用。如三通旋塞、三通截止閥等。

Distribution valve: change the flow direction of medium and play the role of distribution. Such as three-way cock, three-way stop valve, etc.

安全閥：壓力超限定數值時，排放多余的介質，保證設備安全。如安全閥、事故閥;

Safety valve: when the pressure exceeds the limited value, discharge excess medium to ensure the safety of the equipment. Such as safety valve and emergency valve;

阻氣排水閥：留存氣體、排除凝結水，如疏水閥。

Gas blocking drain valve: retain gas and drain condensate, such as drain valve.

開斷閥：切斷或接通管路介質。如截至閥、閘閥、球閥、旋塞閥等;

Disconnect valve: cut off or connect the pipeline medium. Such as stop valve, gate valve, ball valve, plug valve, etc;

調節閥：調節介質的壓力或流量。如減壓閥、調節閥;

Regulating valve: regulating the pressure or flow of medium. Such as pressure reducing valve and regulating valve;

止回閥：防止介質倒流。如止回閥。

Check valve: prevent medium backflow. Such as check valve.

分配閥：改變介質的流向，起分配作用。如三通旋塞、三通截止閥等。

Distribution valve: change the flow direction of medium and play the role of distribution. Such as three-way cock, three-way stop valve, etc.

安全閥：壓力超限定數值時，排放多余的介質，保證設備安全。如安全閥、事故閥;

Safety valve: when the pressure exceeds the limited value, discharge excess medium to ensure the safety of the equipment. Such as safety valve and emergency valve;

阻氣排水閥：留存氣體、排除凝結水，如疏水閥。

Gas blocking drain valve: retain gas and drain condensate, such as drain valve.

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