力士樂(lè)MDD065C-N-040-N2L-095PB0德國(guó)
為便于止回閥拆卸前泄壓，對(duì)于止回閥本身不帶放凈閥的，應(yīng)在止回閥與切斷閥之間加裝泄壓用放凈閥。防止水力沖擊對(duì)止回閥密封面損壞的保護(hù)措施止回閥的設(shè)置,起到了防止物料倒流，避免泵葉輪遭受液擊的作用。但就止回閥本身而言,設(shè)置不當(dāng),會(huì)造成水擊所產(chǎn)生的閥瓣對(duì)閥座的突然撞擊，損及止回閥密封面。應(yīng)采取以幾點(diǎn)保護(hù)措施。對(duì)于泵出口設(shè)置8mm的旋啟式止回閥，應(yīng)采用水平安裝方式，以減弱閥瓣回座及產(chǎn)生的撞擊。
Allen Bradley Micrologix 1100 1763-L16DWD
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Allen Bradley 1769-L35E Ser A FW 1.15 CompactLogix Controller Logix L5335E CPUSee more like this
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3HNE 00601-1
3HNE 00609-1
3HNE 00625-1
3HNE 00628-1保證全新原裝，沖量大促銷！
3HNE 00632-1
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3HNE 00793-1保證全新原裝，沖量大促銷！
3HNE 00800-1
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3HNE 00840-1
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BALLUFF BML-S1B0-Q61F-M400-10-KA02 Magnetic Linear Encoder
Balluff Wegaufnehmer BTL5-C17-M00 40-P-SA120-S32 BTL031K
BALLUFF BOS 12m-pa-le10-s4 bos00wf 10-30v dc 200mA
BALLUFF Schreib- / Lesekopf Typ: BIS C-60R-001-08P
Balluff Capteur BES 516-3007-E4-C-PU-05
Balluff Capteur BES 516-3007-E4-C-PU-05
BALLUFF Proximity Sensor #BES 516-383-S 4-C (K-78)
BALLUFF BES Q17KA-NSC50B PROXIMITY SWITCH SENSOR 10-30 VDC 100 mA
BALLUFF N?herungsschalter BES 516-325-AO-C-PU- Neu
Balluff BES02JW, BES M12MD1-PSC80E-S04F-W, Inductive Sensor, NEW! Factory Sealed
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BALLUFF PROXIMITY SENSOR BES Q08ZE-PSC20B-S49G
Balluff 0735DE, BNS 813-B03-L12-61-A-55-0908 Positionsschalter
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Balluff N?herungsschalter BESM12MF1-PSC10F-S04G
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BALLUFF BES-516-327-S4-C INDUCTIVE PROXIMITY SENSOR 10-30V 10MM NEW IN PACKAGE
Balluff BES 516-542-BO-H Proximity Sensor M12x1 Normally Open DC W/7' Cable
BALLUFF BES 516-326-S4-L N?herungsschalter 5mm 10-30VDC 400mA
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zui常用的電磁閥為二位二通電磁閥、二位三通電磁閥和三位四通電磁閥；通常二位二通電磁閥包含一個(gè)線圈，PLC或者其他系統(tǒng)的一個(gè)輸出點(diǎn)控制該線圈，即通電時(shí)打開(kāi)或關(guān)閉，斷電時(shí)沒(méi)有動(dòng)作，這種電磁閥在控制上只有一種運(yùn)動(dòng)，另一種運(yùn)動(dòng)需要機(jī)械條件配合，所以二位二通電磁閥多常見(jiàn)于安全閥系統(tǒng)。二位三通電磁閥也包含一個(gè)線圈，PLC或者其他系統(tǒng)的一個(gè)輸出點(diǎn)控制這個(gè)線圈，即通電時(shí)打開(kāi)或關(guān)閉，斷電時(shí)動(dòng)作相反；這種電磁閥適用于動(dòng)作簡(jiǎn)單、反復(fù)運(yùn)動(dòng)的機(jī)械結(jié)構(gòu)中，比如說(shuō)單線圈控制的氣缸等。
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