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美國PARKER派克比例閥 D3FBE02MC0VKW0

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功能順序閥的功能在于利用液壓系統(tǒng)中的壓力變化，控制油路通斷來控制多個(gè)執(zhí)行元件的順序動(dòng)作。

　　特點(diǎn)按照結(jié)構(gòu)，順序閥也有直動(dòng)式和先導(dǎo)式兩種。直動(dòng)式順序閥結(jié)構(gòu)簡單，動(dòng)作靈敏，但調(diào)定壓力較低，較高壓力時(shí)宜采用先導(dǎo)式順序閥。根據(jù)控制壓力來源的不同，順序閥有內(nèi)控式和外控式之分，請(qǐng)注意兩者圖形符號(hào)的區(qū)別。內(nèi)控式順序閥在進(jìn)油路壓力達(dá)到設(shè)定壓力之前，閥口一直是關(guān)閉的，達(dá)到設(shè)定壓力后閥口打開，使壓力油進(jìn)入油路;外控式順序閥閥口的開閉與油路進(jìn)口壓力無關(guān)，僅取決于控制油路壓力的大小。

　　順序閥與溢流閥的主要區(qū)別為：

　　(1)順序閥只有開啟和切斷兩種狀態(tài)，不象溢流閥那樣有自動(dòng)穩(wěn)壓調(diào)節(jié)作用;

　　(2)順序閥進(jìn)出油口都是壓力油路，所以它的泄油口必須單獨(dú)引回油箱，而溢流閥則和出口合并一同流回油箱。

　　(3)順序閥的進(jìn)、出油口一經(jīng)接通，油液通過該閥的壓力損失較小，而溢流閥處于溢流狀態(tài)時(shí)，壓力損失一般較大。

D41FHB31C1NE0047

D41FHB31E1NE0047

D41FHB32C1NB0047

D41FHE01E1NE0042

D41FHE52F4NB0047

這一系列其他型號(hào)如下：

D41FHA31C1NB0048

D41FHA31F1NB0048

D41FHA32F2NB0048

D41FHA61B4NB0048

D41FHA61F1NB0048

D41FHA61F4VB0048

D41FHB31C1NB0048

D41FHB31C2NB0048

D41FHB31F1NB0048

D41FHB31F1NE0048

D41FHB31F2NB0048

D41FHB31F2NE0048

D41FHB31F4NB0048

D41FHB32F1NB0048

D41FHB32F2NB0048

D41FHB32F4NB0048

D41FHB34F1NB0048

D41FHB34F4NB0048

D41FHB61B4NB0048

D41FHB61B4VB0048

D41FHB61C2NE0048

D41FHB61C4NB0048

D41FHB61F2NB0048

D41FHB61F2NE0048

D41FHB61F4NB0048

D41FHB63C4NB0048

D41FHB63C4NB2048

D41FHB63E4NB2048

D41FHB83F2NB0048

D41FHB83F4NB0048

D41FHB83F5NB0048

D41FHE01B4NB0048

D41FHE01C1NB0048

D41FHE01C1NE0048

D41FHE01C2NB0048

D41FHE01C4NB0048

D41FHE01C4VB0048

D41FHE01C5NB0048

D41FHE01E1NB0048

D41FHE01E2NB0048

D41FHE01E4NB0048

D41FHE01F1NB0048

D41FHE01F1NB0848

D41FHE01F1NE0048

D41FHE01F1VB0048

D41FHE01F2NB0048

D41FHE01F4NB0048

D41FHE02C4NB0048

D41FHE02F1NB0048

D41FHE02F4NB0048

D41FHE52B1VB0048

D41FHE52B4NB0048

D41FHE52C2NB0048

D41FHE52C4NB0048

D41FHE52C4VB0048

D41FHE52C5NB0048

D41FHE52F1NB0048

D41FHE52F2NB0048

D41FHE52F2NE0048

D41FHE52F2VB0048

D41FHE52F4NB0048

D41FHE52F4VB0048

供應(yīng)Parker派克D41FH系列D41FHB31C1NE0048先導(dǎo)式比例換向閥，此系列先導(dǎo)式比例換向閥被用于控制流量。該閥具有集成的電子元件，主級(jí)的閥芯位置可調(diào)。典型的應(yīng)用是：流量控制和可實(shí)現(xiàn)流量調(diào)節(jié)，在快速/低速特性下的工作運(yùn)行帶有閥芯位置監(jiān)控用于：壓力機(jī)控制，動(dòng)態(tài)位置調(diào)節(jié)和壓力/流量閉環(huán)系統(tǒng)。技術(shù)特性：泄漏量小，高頻響，通油能力大，準(zhǔn)確的故障狀態(tài)診斷，零遮蓋閥的機(jī)械式零點(diǎn)調(diào)節(jié)，高強(qiáng)度，閥芯位置的位移反饋，可選擇閥芯位置行程監(jiān)控。

D41FHE01C1NE0048(D41FHE01C1NE00)

D41FHE01F1NE0048(D41FHE01F1NE00)

D41FHB31C1NE0048(D41FHB31C1NE00)

D41FHB31F1NE0048(D41FHB31F1NE00)

D41FHB31F2NB0048(D41FHB31F2NB00)

D81FHB32F2NS0048(D81FHB32F2NS00)

D81FHE01F4NS0048(D81FHE01F4NS00)

D91FHB32H2NE0048(D91FHB32H2NE00)

D41FHB31F2NE0048(D41FHB31F2NE00)

D41FHE01F4NB0048(D41FHE01F4NB00)

D41FHE01E1NE0048(D41FHE01E1NE00)

D31FHE02C1NS0047(D31FHE02C1NS00)

D31FHE01A4NB0047(D31FHE01A4NB00)

D41FHE01E1NE0041X760 CPT

D41FHE82C1NE0041X760 CPT

D41FHB31F1NE0041X760 CPT

D41FHB31E1NE0048X760 CPT

D41FHB31C1NE0048X760 CPT

D41FHB31C1NE004847444240

D41FHB31E1NE004847444240

D41FHB31F1NE004847444240

D41FHB31C4NE004847444240

D41FHB31E4NE004847444240

D41FHB31F4NE004847444240

D41FHE01C1NE004847444240

D41FHE01E1NE004847444240

D41FHE01F1NE004847444240

D41FHE01C4NE004847444240

D41FHE01E4NE004847444240

D41FHE01F4NE004847444240

D41FHE02B4NS0048 / Prop. DC Valves

D41FHE02B5VS0048 / Prop. DC Valves

D41FHE02C1VB0048 / Prop. DC Valves

D41FHE02C1VE0048 / Prop. DC Valves

D41FHE02E1VE0048 / Prop. DC Valves

D41FHE02E4NE0048 / Prop. DC Valves

D41FHE02F5NS0048 / Prop. DC Valves

D41FHA31F4NB0048 / Prop. DC Valves

D41FHB31F1NS0048 / Prop. DC Valves

D41FHB31F2VB0048 / Prop. DC Valves

D41FHB32C5NS0048 / Prop. DC Valves

D41FHB32C5VS0048 / Prop. DC Valves

D41FHB32E4NB0048 / Prop. DC Valves

D41FHB32F1VB0048 / Prop. DC Valves

D41FHE01B2NS0848 / Prop. DC Valves

D41FHE01E4VB0048 / Prop. DC Valves

D41FHE01E5NB0048 / Prop. DC Valves

D41FHE01F2NB0848X726(066070200102)

D41FHB00F4NB0048X856(066070200119)

D41FHA11F2NB0848X726(066070200123)

D41FHE01E1NE0041X760 CPT(11947