AR40-04-A;AR50-10-B;AR60-10-B日本SMC減壓閥 ;上海先韻自動化科技有限公司
AR40-04-A;AR50-10-B;AR60-10-B日本SMC減壓閥 ;上海先韻自動化科技有限公司
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AR10-M5（UKA784）
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AR20-N01-1NZ-A
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AR20-N02-1YZ-A
AR20-N02-A
AR20-N02BE
AR20-N02BE-N
AR20-N02E
AR20-N02E-1RZ
日本SMC減壓閥 ;上海先韻自動化科技有限公司
AR20-N02E-1YZ
AR20-N02E-YZ
AR20-N02G
AR20-N02G-1
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AR40-WCH03-04BE
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AR410-03-3-X369
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AR410-06
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AR425-02
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AR435-02
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AR5000-10
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AR500-10-3
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AR50-06
AR50-06-1
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AR50-06BG-X2041
AR50-06E
AR50-06E-1
AR50-06E3
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AR50-06-X2117
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AR50-10-3
AR50-10E
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AR50P-150AS-N
AR50P-260S
AR50P-410AS
AR510-06-3
AR510-06-3-X238
AR510-06BG1-6
AR510-10
AR510-10-3
AR6000-10
AR6000-10-1
AR6000-10-1R
AR6000-10-N
AR6000-10-R
AR6000-10-X425
AR6000-10-X430
AR60-06-Q
AR60-10
AR60-10-1
AR60-10-1N
AR60-10-1R
AR60-10B
AR60-10BG-X425
AR60-10E
AR60-10E-R
AR60-10G
AR60-10G-RY-X425
AR60-10G-X430
AR60-10G-Y-X425
AR60-10-N
AR60-10-R
AR60-10-U1K00001
AR60-10-X425
AR60-10-X430
AR6060-10
AR60-F10
AR60-F10-1R
AR60-F10E
AR60-F10-X425
AR60-N10
AR60-N10-1Z
AR60-N10BG-Z-X430
AR60-N10E-1RYZ
AR60-N10G-Z
AR60-N10-R
AR60P-050AS
AR60P-410AS
AR610-10-3
AR610-10BG1-6
AR610-10BG-3
AR610-N10BG1-6-L
減壓閥按結構形式可分為薄膜式、彈簧薄膜式、活塞式、杠桿式和波紋管式；按閥座數目可人為單座式和雙座式；按閥瓣的位置不同可分為正作用式和反作用式。先導式減壓閥當減壓閥的輸出壓力較高或通徑較大時，用調壓彈簧直接調壓，則彈簧剛度必然過大，流量變化時，輸出壓力波動較大，閥的結構尺寸也將增大。為了克服這些缺點，可采用先導式減壓閥。先導式減壓閥的工作原理與直動式的基本相同。先導式減壓閥所用的調壓氣體，是由小型的直動式減壓閥供給的。若把小型直動式減壓閥裝在閥體內部，則稱為內部先導式減壓閥；若將小型直動式減壓閥裝在主閥體外部，則稱為外部先導式減壓閥。
組合式減壓閥
組合式減壓閥是專為復雜工況下運行的供水系統量身設計的減壓設備，由出口壓力鎖定系統，反饋統，和主閥閥體組成。組合式減壓閥與常規減壓閥的區別在于：
1、反饋系統互為備用可供不停機檢修；
2、反沖排污系統可適用更多不佳水質；
3、出口壓力鎖定系統可以鎖定出口壓力上限；
4、減壓比蕞大值可達到12:1，蕞高應用水頭320米
5、蕞大過流量超過5000m3/h，蕞大應用單機800MW
