▍按動力分
According to power distribution
1自動閥門
1 automatic valve
依靠介質(zhì)自身的力量進行動作的閥門。如止回閥、減壓閥、疏水閥、安全閥等。
A valve that operates by relying on the force of the medium itself. Such as check valves, pressure reducing valves, drain valves, safety valves, etc.
2驅(qū)動閥門
2 drive valve
依靠人力、電力、液力、氣力等外力進行操縱的閥門。如截止閥、節(jié)流閥、閘閥、碟閥、球閥、旋塞閥等。
A valve operated by external forces such as manpower, electricity, fluid power, and pneumatic power. Such as globe valves, throttle valves, gate valves, butterfly valves, ball valves, plug valves, etc.
▍按結(jié)構(gòu)特性分
Classified by structural characteristics
1截門形:關(guān)閉件沿著閥座線移動。
1 section gate shape: The closing element moves along the centerline of the valve seat.
2閘門形:關(guān)閉件沿著垂直于閥座的線移動。
2 Gate shape: The closing element moves along the centerline perpendicular to the valve seat.
3旋塞形:關(guān)閉件是柱塞或球，圍繞本身的線旋轉(zhuǎn)。
3 plug shape: The closing element is a plunger or ball that rotates around its centerline.
4旋啟形:關(guān)閉件圍繞閥座外的一個軸旋轉(zhuǎn)。
4 swing shape: The closing element rotates around an axis outside the valve seat.
5碟形:關(guān)閉件是圓盤，圍繞閥座內(nèi)的軸旋轉(zhuǎn)。
5 disc shape: The closing element is a disc that rotates around the axis inside the valve seat.
6滑閥形：關(guān)閉件在垂直于通道的方向上滑動。
6 slide valve shape: The closing element slides in a direction perpendicular to the channel.
▍按用途分
Classified by purpose
1開斷用:用來切斷或接通管路介質(zhì)。如截至閥、閘閥、球閥、旋塞閥等。
1. For disconnection: Used to cut off or connect pipeline medium. Such as globe valves, gate valves, ball valves, plug valves, etc.
2調(diào)節(jié)用:用來調(diào)節(jié)介質(zhì)的壓力或流量。如減壓閥、調(diào)節(jié)閥。
2. Regulating: Used to regulate the pressure or flow rate of the medium. Such as pressure reducing valve and regulating valve.
3分配用:用來改變介質(zhì)的流向，起分配作用。如三通旋塞、三通截止閥等。
3 allocation function: used to change the flow direction of the medium and play a distribution role. Such as three-way cocks, three-way globe valves, etc.
4止回用:用來防止介質(zhì)倒流。如止回閥。
4 Non return use: used to prevent media backflow. Like a check valve.
5安全用:在介質(zhì)壓力超過規(guī)定數(shù)值時，排放多余介質(zhì)，以保證設備安全。如安全閥、事故閥。
5. Safe use: When the medium pressure exceeds the specified value, discharge excess medium to ensure equipment safety. Such as safety valves and accident valves.
6阻氣排水用:留存氣體，排除凝結(jié)水。如疏水閥。
6. Gas blocking and drainage: Retain gas and discharge condensate. Like a drain valve.
▍按操縱方法分
According to the operating method
1手動閥門:借助手輪、手柄、杠桿、鏈輪、齒輪、蝸輪等，由人力來操縱的閥門。
1. Manual valve: a valve that is manually operated using handwheels, handles, levers, sprockets, gears, worm gears, etc.
2電動閥門:借助電力來操縱的閥門。
2 Electric valve: a valve operated by electricity.
3氣動閥門:借助壓縮空氣來操縱的閥門。
3 pneumatic valve: a valve operated by compressed air.
4液動閥門:借助水、油等液體，傳遞外力來操縱的閥門。
4 hydraulic valve: a valve operated by transmitting external forces through liquids such as water and oil.
▍按壓力分
Divided by pressure
1真空閥:絕對壓力小于1公斤/厘米2的閥門。
1 Vacuum valve: A valve with an absolute pressure less than 1 kg/cm2.
2低壓閥:公稱壓力小于16公斤/厘米2的閥門。
2. Low pressure valve: a valve with a nominal pressure less than 16 kg/cm2.
3中壓閥:公稱壓力25－64公斤/厘米2的閥門。
3. Medium pressure valve: a valve with a nominal pressure of 25-64 kg/cm2.
4高壓閥:公稱壓力100－800公斤/厘米2的閥門。
4. High pressure valve: a valve with a nominal pressure of 100-800 kg/cm2.
5超高壓:公稱壓力達到或大于1000公斤/厘米2的閥門。
5 Ultra high pressure: valves with a nominal pressure of 1000 kg/cm2 or more.
▍按介質(zhì)溫度分
Divided by medium temperature
1普通閥門:適用于介質(zhì)工作溫度－40至450℃的閥門。
1. Ordinary valve: suitable for valves with medium operating temperatures ranging from -40 to 450 ℃.
2高溫閥門:適用于介質(zhì)工作溫度450至600℃的閥門。
2. High temperature valve: suitable for valves with medium operating temperatures ranging from 450 to 600 ℃.
3耐熱閥門:適用于介質(zhì)工作溫度600℃以上的閥門。
3. Heat resistant valve: suitable for valves with medium operating temperature above 600 ℃.
4低溫閥門:適用于介質(zhì)工作溫度－40至－70℃的閥門。
4. Low temperature valve: suitable for valves with medium operating temperatures ranging from -40 to -70 ℃.
5深冷閥門:適用于介質(zhì)工作溫度－70至－196℃的閥門。
5. Cryogenic valve: suitable for valves with medium operating temperatures ranging from -70 to -196 ℃.
6超低溫閥門:適用于介質(zhì)工作溫度－196℃以下的閥門。
6. Ultra low temperature valve: suitable for valves with medium operating temperature below -196 ℃.
▍按公稱通徑分
Divided by nominal diameter
1小口徑閥門:公稱通徑小于40毫米的閥門。
1. Small caliber valve: A valve with a nominal diameter less than 40mm.
2中口徑閥門:公稱通徑50至300毫米的閥門。
2 caliber valve: valve with a nominal diameter of 50 to 300 millimeters.
3大口徑閥門:公稱通徑350至1200毫米的閥門。
3 large diameter valves: valves with a nominal diameter of 350 to 1200 millimeters.
4特大口徑閥門:公稱通徑大于1400毫米的閥門。
4 oversized valves: valves with a nominal diameter greater than 1400 millimeters.
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