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DR6DP2-53/315YM力士樂減壓閥  自動式減壓閥 先導(dǎo)式減壓閥 原裝現(xiàn)貨

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DR6DP2-53/315YM力士樂減壓閥

性能

(1)調(diào)壓范圍：它是指減壓閥輸出壓力P2的可調(diào)范圍，在此范圍內(nèi)要求達(dá)到規(guī)定的精度。調(diào)壓范圍主要與調(diào)壓彈簧的剛度有關(guān)。

(2)壓力特性：它是指流量g為定值時，因輸入壓力波動而引起輸出壓力波動的特性。輸出壓力波動越小，減壓閥的特性越好。輸出壓力必須低于輸入壓力—定值才基本上不隨輸入壓力變化而變化。

(3)流量特性：它是指輸入壓力—定時，輸出壓力隨輸出流量g的變化而變化的持性。當(dāng)流量g發(fā)生變化時，輸出壓力的變化越小越好。一般輸出壓力越低，它隨輸出流量的變化波動就越小

減壓閥

減壓閥是利用液流流過縫隙產(chǎn)生壓力損失，使其出口壓力低于進(jìn)口壓力的壓力控制閥。

按調(diào)節(jié)要求不同，有定值減壓閥，定差減壓閥，定比減壓閥。

定值減壓閥的結(jié)構(gòu)原理

減壓閥起減壓作用且保證出口壓力為定值的條件是:當(dāng)出口壓力大于減壓閥的調(diào)定壓力，使其先導(dǎo)閥開啟。

直動式減壓閥

減壓閥的功用與特點：

減壓閥用在液壓系統(tǒng)中獲得壓力低于系統(tǒng)壓力的二次油路上

與溢流閥比較:

減壓閥是出口壓力控制，保證出口壓力為定值;溢流閥是進(jìn)口壓力控制，保證進(jìn)口壓力為定值。

減壓閥閥口常開;

溢流閥閥口常閉。

減壓閥有單獨的泄油口;溢流閥彈簧腔的泄漏油經(jīng)閥體

內(nèi)流道內(nèi)泄至出口。

減壓閥與溢流閥-樣有遙控口。

減壓閥可將閥前管路較高的液體壓力減少至閥后管路所需的水平。這里的傳輸介質(zhì)主要是水。減壓閥廣泛用于高層建筑、城市給水管網(wǎng)水壓過高的區(qū)域、礦井及其他場合，以保證給水系統(tǒng)中各用水點獲得適當(dāng)?shù)姆��?wù)水壓和流量。鑒于水的漏失率和浪費程度幾乎同給水系統(tǒng)的水壓大小成正比，因此減壓閥具有改善系統(tǒng)運行工況和潛在節(jié)水作用，據(jù)統(tǒng)計其節(jié)水效果約為30%。

DR6DP2-53/315YM力士樂減壓閥

型號 DR 

減壓閥，先導(dǎo)式

規(guī)格10至30

底板安裝("P")：安裝面按DIN 24340 D型和ISO 5781

閥塊安裝("C")

螺紋連接("G")

插裝閥("K")

4個壓力等級

4種可選調(diào)節(jié)方式：

旋鈕

帶護(hù)罩的六角套筒螺釘

帶鎖有刻度旋鈕

有刻度的旋鈕

單向閥，可選（只適用于“P”型）

力士樂REXROTH直動式減壓閥DR 6 DP

R987009684 DR6DP2-5X/210Y/RE416

R987009771 DR6DP2-5X/210YM/RE416-4-0

R987009045 DR6DP2-5X/210YM/RE609-4-1

R900564479 DR6DP.-5X/100YSO111

R900508681 DR6DP.-5X/150YJSO120

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R900595006 DR6DP.-5X/25YMW12

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R901235057 DR6DP2-5X=75-65YMJ

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力士樂REXROTH直動式減壓閥DR 6 DP…XC

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力士樂REXROTH直動式減壓閥ZDR 6 D...XC

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力士樂REXROTH直動式減壓閥ZDR 6 D

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R901137868 ZDR6DP7-4X/80YMV/60

R901343438 ZDR6DPA1-4X/80YM

R901144769 ZDR6DPA2-4X/160YMV/60

R901230539 ZDR6DPA2-4X/210YMV/60

R901144771 ZDR6DPA2-4X/250YMV/60

R901234753 ZDR6DPA2-4X/25YMV/60

R901144768 ZDR6DPA2-4X/30YMV/60

R901366524 ZDR6DPA2-4X/80YM

R901144907 ZDR6DPA2-4X/80YMV/60

閥門要求：閥體材質(zhì)為WCB/WC9，對于雙閥系統(tǒng)中的啟動閥要求抗氣蝕，V級關(guān)閉等級，對于復(fù)合型給水閥需使用特性化閥內(nèi)件同時滿足鍋爐啟動與正常運行時的需要。一般閥門選擇為故障關(guān)，(需要注意的是一般給水中為消除溶解其中的氧會加入聯(lián)胺進(jìn)行處理，它會對SATELLITE6號合金或其它的類似合金產(chǎn)生不良反應(yīng)，所以較好不使用316 STELLITE堆焊的方法處理閥內(nèi)件，可直接選用416不銹鋼材料)。