減壓閥是通過調(diào)節(jié)，將進(jìn)口壓力減至某一需要的出口壓力，并依靠介質(zhì)本身的能量，使出口壓力自動保持穩(wěn)定的閥門。從流體力學(xué)的觀點看，減壓閥是一個局部阻力可以變化的節(jié)流元件，即通過改變節(jié)流面積，使流速及流體的動能改變，造成不同的壓力損失，從而達(dá)到減壓的目的。然后依靠控制與調(diào)節(jié)系統(tǒng)的調(diào)節(jié)，使閥后壓力的波動與彈簧力相平衡，使閥后壓力在一定的誤差范圍內(nèi)保持恒定。調(diào)壓步驟

1、關(guān)閉減壓閥前的閘閥，開啟減壓閥后的閘閥，制造下游低壓環(huán)境；

2、將調(diào)節(jié)螺釘

按逆時針旋轉(zhuǎn)至最上位置（相對最di出口壓力），然后關(guān)閉減壓閥后閘閥；

3、慢慢開啟減壓閥前的閘閥至全開；

4、順時針慢慢旋轉(zhuǎn)調(diào)節(jié)螺釘，將出口壓力調(diào)至所需要的壓力（以閥后表壓為準(zhǔn)）；調(diào)整好后，將鎖緊

螺母鎖緊，打開減壓閥后閘閥；

5、如在調(diào)整時出口壓力高于設(shè)定壓力，須從第一步開始重新調(diào)整，即只能從低壓向高壓調(diào)。

主要作用

減壓閥的作用原理是靠閥內(nèi)流道對水流的局部阻力降低水壓，水壓降的范圍由連接閥瓣的薄膜或活塞兩側(cè)的進(jìn)出口水壓差自動調(diào)節(jié)。定比減壓原理是利用閥體中浮動活塞的水壓比控制，進(jìn)出口端減壓比與進(jìn)出口側(cè)活塞面積比成反比。這種減壓閥工作平穩(wěn)無振動；閥體內(nèi)無彈簧，故無彈簧銹蝕、金屬疲勞失效之慮；密封性能良好不滲漏，因而既減動壓（水流動時）又減靜壓（流量為0時）；特別是在減壓的同時不影響水流量。德國原裝進(jìn)口力士樂比例減壓閥 直動式

規(guī)格 6

組件系列 2X

最大工作壓力 100 bar

最大流量 15 l/min

特點

– 直動式比例閥用于控制壓力和流向

– 通過帶對中螺紋和可拆卸線圈的比例線圈進(jìn)行操作

– 底板安裝：安裝面符合 ISO 4401

– 手動操控，可選

– 彈簧對中控制閥芯

– 類型 3DREPE 帶集成控制電子元件

– 類型 3DREP 的外部控制電子元件

3DREE 10 P-6X/100YG24K31V 

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3DREE 10 P-6X/50YG24K31V 

3DREE10P-6X/50YG24K31V 

3DREE 16 P-6X/100XYG24K31V=PL 

3DREE16P-6X/100XYG24K31V=PL 

3DREE 16 P-6X/100YG24K31V 

3DREE16P-6X/100YG24K31V 

3DREE 16 P-6X/200YG24K31V 

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3DREE10P-6X/100YG24K31V 

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3DREE16P-6X/200YG24K31V 

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3DREP6A-1X/16A24NK4M 

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3DREP6A-1X/25A24NK4M-596 

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3DREP6C-1X/25A12NJM-18 

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3DREP6C-1X/25A24N2K10M-545 

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3DREP6C-1X/25A24N9K4M-66 

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3DREPE 6 C-2X/16EG24K31/A1M 

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3DREPE 6 C-2X/16EG24N9K31/A1V 

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3DREPE 6 C-2X/25EG24N9K31/A1V=LB 

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3DREPE6A-2X=25EG24K31/A1V=00 

3DREPE6A-2X=25EG24N9K31/A1V=00 

3DREPE6A-2X=25EG24N9K31/F1V=00 

3DREPE6A-2X=45EG24K31/A1M=00 

3DREPE6A-2X=45EG24N9K31/A1V=00 

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3DREPE6B-2X/25EG24N9K31/F1V 

3DREPE6B-2X/45EG24N9K31/A1V 

3DREPE6B-2X=25EG24K31/A1M=00 

3DREPE6B-2X=25EG24K31/A1V=00 

3DREPE6B-2X=25EG24K31/F1M=00 

3DREPE6B-2X=25EG24N9K31/A1M=00 

3DREPE6B-2X=25EG24N9K31/A1V=00 

3DREPE6B-2X=25EG24N9K31/F1V=00 

3DREPE6B-2X=45EG24N9K31/A1V=00 

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3DREPE6C-2X/25EG24N9K31/A1M 

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3DREPE6C-2X/25EG24N9K31/F1M 

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