美國(guó)威格士VICKERS比例控制閥、*/上海一級(jí)
美國(guó)威格士VICKERS比例控制閥主要用於開回路控制（open loop control）;比例控制閥的輸出量與輸入信號(hào)成比例關(guān)系,且比例控制閥內(nèi)電磁線圈所產(chǎn)生的磁力大小與電流成正比.在傳統(tǒng)型式的液壓控制閥中,只能對(duì)液壓進(jìn)行定值控制,例如:壓力閥在某個(gè)設(shè)定壓力下作動(dòng),流量閥保持通過所設(shè)定的流量,方向閥對(duì)於液流方向通/斷的切換.因此這些控制閥組成的系統(tǒng)功能都受到一些限制,隨著技術(shù)的進(jìn)步,許多液壓系統(tǒng)要求流量和壓力能連續(xù)或按比例地隨控制閥輸入信號(hào)的改變而變化.液壓伺服系統(tǒng)雖能滿足其要求,而且精度很高,但對(duì)於大部分的工業(yè)來說,他們并不要求系統(tǒng)有如此高的品質(zhì),而希望在保證一定控制性能的條件下,同時(shí)價(jià)格低廉,工作可靠,維護(hù)簡(jiǎn)單,所以比例控制閥就是在這種背景下發(fā)展起來的.
比例控制閥可分為壓力控制閥,流量控制及方向控制閥三類.
壓力控制閥:用比例電磁閥取代引導(dǎo)式溢流閥的手調(diào)裝置便成為引導(dǎo)式比例溢流閥,其輸出的液壓壓力由輸入信號(hào)連續(xù)或按比例控制.
流量:用比例電磁閥取代節(jié)流閥或調(diào)速閥的手調(diào)裝置而以輸入信號(hào)控制節(jié)流閥或調(diào)速閥之節(jié)流口開度,可連續(xù)或按比例地控制其輸出流量.故節(jié)流口的開度便可由輸入信號(hào)的電壓大小決定.
方向控制閥:比例電磁閥取代方向閥的一般電磁閥構(gòu)成直動(dòng)式比例方向閥,其滑軸不但可以換位,而且換位的行程可以連續(xù)或按比例地變化,因而連通油口間的通油面積也可以連續(xù)或按比例地變化,所以比例方向控制閥不但能控制執(zhí)行元件的運(yùn)動(dòng)方向外,還能控制其速度.
美國(guó)威格士VICKERS比例控制閥、*/上海一級(jí)
美國(guó)威格士部分型號(hào)如下：
KBCG 6 W350 Z M1 3 A PE7 H1 10
KBCG-3-100D-Z-M1-1-A-PE7 -H1-10
KBCG-3-100D-Z-M1-2-A-PE7 -H1-10
KBCG-3-100D-Z-M2-2-A-PE7 -H1-10
KBCG-3-160D-Z-M1-1-A-PE7 -H1-10
KBCG-3-160D-Z-M1-2-A-PC7 -H1-10
KBCG-3-160D-Z-M1-2-A-PE7 -H1-10
KBCG-3-160D-Z-M1-2-A-PH7 -H1-10
KBCG-3-160D-Z-M1-3-A-PE7 -H1-10
KBCG-3-160D-Z-M2-1-A-PE7 -H1-10
KBCG-3-160D-Z-M2-2-A-PE7 -H1-10
KBCG-3-160D-Z-M2-3-A-PC7 -H1-10
KBCG-3-160D-Z-M2-3-A-PE7 -H1-10
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KBCG-3-250D-Z-M1-1-A-PE7 -H1-10
KBCG-3-250D-Z-M1-2-A-PC7 -H1-10
KBCG-3-250D-Z-M1-2-A-PE7 -H1-10
KBCG-3-250D-Z-M1-3-A-PE7 -H1-10
KBCG-3-250D-Z-M1-3-A-PE7 -H1-10-P15-T10-EN2
KBCG-3-250D-Z-M2-2-A-PE7 -H1-10
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KBCG-3-350D-Z-M1-1-A-PE7 -H1-10-P15-T10
KBCG-3-350D-Z-M1-2-A-PE7 -H1-10
KBCG-3-350D-Z-M1-3-A-PE7 -H1-10-P15-T10
KBCG-3-350D-Z-M2-1-A-PE7 -H1-10
KBCG-3-350D-Z-M2-1-A-PH7 -H1-10
KBCG-3-350D-Z-M2-2-A-PE7 -H1-10
KBCG-3-350D-Z-M2-3-A-PR7 -H1-10
KBCG-3-40D-Z-M1-1-A-PE7- H1-10
KBCG-3-40D-Z-M1-1-A-PH7- H1-10
KBCG-3-40D-Z-M1-2-A-PE7- H1-10
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KBCG-3-40D-Z-M2-2-A-PE7- H1-10
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KBCG-3-L100D-Z-M1-1-A-PE 7-H1-10
KBCG-3-L100D-Z-M1-2-A-PE 7-H1-10
KBCG-3-L100D-Z-M1-3-A-PE 7-H1-10-P15-T14
KBCG-3-L100D-Z-M2-1-A-PC 7-H1-10
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KBCG-3-L160D-Z-M2-1-A-PC 7-H1-10
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KBCG-3-L250D-Z-M1-1-A-PE 7-H1-10
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KBCG-3-L250D-Z-M1-3-A-PE 7-H1-10
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KBCG-3-L350D-Z-M1-3-A-PR 7-H1-10-P15-T10
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KBCG-6-W250-Z-M1-3-A-PR7 -H1-10
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KBCG-6-W350-Z-M1-3-A-PH7 -H1-10
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KBCG-6-W40-Z-M1-3-A-PE7- H1-10
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KBCG-8-W250-1-Z-M1-3-A-P E7-H1-10
KBCG-8-W250-3-Z-M1-3-A-P E7-H1-10
KBCG-8-W250-Z-M1-3-A-PE7 -H1-10
KBCG-8-W350-1-Z-M1-3-A-P E7-H1-10
KBCG-8-W350-3-Z-M1-3-A-P E7-H1-10
KBCG-8-W350-Z-M1-3-A-PE7 -H1-10
KBCG-8-W350-Z-M1-3-A-PH7 -H1-10
KBDG4V 3 2C03F Z M1 PE7 H7 10
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KBDG4V 3 2C13N M1 PE7 H7 10
KBDG4V 3 2C13N VM1 PC7 H 7 10
KBDG4V 3 2C13N Z M1 PE7 H7 10
KBDG4V 3 2C20N H M1 PE7 H7 10
KBDG4V 3 2C20N M1 PC7 H7 10
KBDG4V 3 2C20N M1 PE7 H7 10
KBDG4V 3 2C20N Z M1 PE7 H7 10
KBDG4V 3 2C24S Z M1 PE7 H7 10
KBDG4V 3 33C03FZM1PC7H71 0
KBDG4V 3 33C07N Z M1 PE7 H7 10
KBDG4V 3 33C20N VM1 PC7 G7 10
KBDG4V 3 33C20N Z M1 PE7 H7 10
KBDG4V 5 2C30N Z M1 PE7 H7 10
KBDG4V 5 2C50N Z M1 PC7 H7 10
KBDG4V 5 2C50N Z M1 PE7 H7 10
KBDG4V 5 2C50N Z M2 PC7 H7 10
KBDG4V 5 2C50N25 Z M1 PE 7 H7 10
KBDG4V 5 2C65S Z M1 PE7 H6 10
KBDG4V 5 2C70N H M1 PC7 H7 10
KBDG4V 5 2C70N Z M1 PC7 H7 10
KBDG4V 5 2C70N Z M1 PE7 H7 10
KBDG4V 5 2C70N Z M2 PE7 H7 10
KBDG4V 5 33C30N Z M1 PE7  H7 10
KBDG4V 5 33C50N Z M1 PE7  H7 10
KBDG4V 5 33C50N Z M1 PR7  H7 10
KBDG4V 5 33C50N Z M2 PE7 H7 10
KBDG4V 5 33C50N25 Z M1 P E7 H7 10
KBDG4V-3-2C03F-M1-PR7-H7 -10
KBDG4V-3-2C07N-M2-PC7-H7 -10
KBDG4V-3-2C07N-Z-M1-PC7- H7-10
KBDG4V-3-2C07N-Z-M1-PH7- H7-10
KBDG4V-3-2C07N-Z-M2-PC7- H7-10
KBDG4V-3-2C13N-M2-PE7-H7 -10
KBDG4V-3-2C13N-Z-M1-PH7- H7-10
KBDG4V-3-2C13N-Z-M2-PE7- H7-10
KBDG4V-3-2C20N10-H-VM2-P E7-H7-10
KBDG4V-3-2C20N-H-M1-PC7- H7-10
KBDG4V-3-2C20N-M2-PE7-H7 -10
KBDG4V-3-2C20N-VM1-PH7-H 7-10
KBDG4V-3-2C20N-Z-M2-PE7- H7-10
KBDG4V-3-2C24S-M1-PE7-H7 -10
KBDG4V-3-2C24S-Z-M2-PE7- H7-10
KBDG4V-3-2C28N-H-M1-PC7- H7-10
KBDG4V-3-33C07N-H-M1-PE7 -H7-10
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KBDG4V-3-33C07N-M1-PR7-H 7-10
KBDG4V-3-33C07N-Z-M2-PE7 -H7-10
KBDG4V-3-33C13N-H-M1-PE7 -H7-10
KBDG4V-3-33C13N-M1-PE7-H 7-10
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KBDG4V-3-33C20N10-M1-PE7 -H7-10
KBDG4V-3-33C20N10-VM1-PE 7-H7-10
KBDG4V-3-33C20N-H-M1-PE7 -H7-10
KBDG4V-3-33C20N-M1-PC7-H 7-10
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KBDG4V-3-33C20N-M2-PE7-H 7-10
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KBDG4V-3-33C30X-Z-M2-PE7 -H7-10
KBDG5V 5 2C70N45 E M1 PE7 H1 10
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KBDG5V-10-2C550N-X-T-H-M 1-PE7-H1-11
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KBDG5V-5-2C90N-E-M1-PH7- H1-10
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KBDG5V-5-2C90N-EX-M1-PE7 -H1-10
KBDG5V-5-2C90N-EX-M2-PC7 -H1-10
KBDG5V-5-2C90N-EX-T-M2-P E7-H1-10
KBDG5V-5-2C90N-H-M1-PE7- H1-10
KBDG5V-5-2C90N-M1-PE7-H1 -10
KBDG5V-5-2C90N-T-H-M1-PE 7-H1-10
KBDG5V-5-2C90N-T-M1-PE7- H1-10
KBDG5V-5-2C90N-T-Z-M1-PH 7-H1-10
KBDG5V-5-2C90N-X-H-M1-PE 7-H1-10
KBDG5V-5-2C90N-X-M1-PE7- H1-10
KBDG5V-5-2C90N-X-T-H-M1- PE7-H1-10
KBDG5V-5-2C90N-X-T-M1-PE 7-H1-10
KBDG5V-5-2C90N-X-T-Z-M1- PE7-H1-10
KBDG5V-5-2C90N-X-Z-M1-PE 7-H1-10
KBDG5V-5-33C60N35-X-H-M1 -PE7-H1-10
KBDG5V-5-33C60N35-X-M1-P E7-H1-10
KBDG5V-5-33C60N35-X-T-H- M1-PE7-H1-10