電磁閥(Electromagnetic valve)是用電磁控制的工業設備,是用來控制流體的自動化基礎元件,屬于執行器,并不限于液壓、氣動。用在工業控制系統中調整介質的方向、流量、速度和其他的參數。電磁閥可以配合不同的電路來實現預期的控制,而控制的精度和靈活性都能夠保證。電磁閥有很多種,不同的電磁閥在控制系統的不同位置發揮作用,zui常用的是單向閥、安全閥、方向控制閥、速度調節閥等。
電磁閥里有密閉的腔,在不同位置開有通孔,每個孔連接不同的油管,腔中間是活塞,兩面是兩塊電磁鐵,哪面的磁鐵線圈通電閥體就會被吸引到哪邊,通過控制閥體的移動來開啟或關閉不同的排油孔,而進油孔是常開的,液壓油就會進入不同的排油管,然后通過油的壓力來推動油缸的活塞,活塞又帶動活塞桿,活塞桿帶動機械裝置。這樣通過控制電磁鐵的電流通斷就控制了機械運動。
選型依據
電磁閥選型首先應該依次遵循安全性,可靠性,適用性,經濟性四大原 則,其次是根據六個方面的現場工況(即管道參數、流體參數、壓力參數、電氣參數、動作方式、特殊要求進行選擇)。
選型依據:
1、根據管道參數選擇電磁閥的:通徑規格(即DN)、接口方式
(1)按照現場管道內徑尺寸或流量要求來確定通徑(DN)尺寸;
(2)接口方式,一般>DN50要選擇法蘭接口,≤DN50則可根據用戶需要自由選擇。
2、根據流體參數選擇電磁閥的:材質、溫度組
(1)腐蝕性流體:宜選用耐腐蝕電磁閥和全不銹鋼;食用超凈流體:宜選用食品級不銹鋼材質電磁閥;
(2)高溫流體:要選擇采用耐高溫的電工材料和密封材料制造的電磁閥,而且要選擇活塞式結構類型的;電磁閥
電磁閥
?。?)流體狀態:大至有氣態,液態或混合狀態,特別是口徑大于DN25時一定要區分開來;
?。?)流體粘度:通常在50cSt以下可任意選擇,若超過此值,則要選用高粘度電磁閥。
3、根據壓力參數選擇電磁閥的:原理和結構品種
(1)公稱壓力:這個參數與其它通用閥門的含義是一樣的,是根據管道公稱壓力來定;
?。?)工作壓力:如果工作壓力低則必須選用直動或分步直動式原理;zui低工作壓差在0.04Mpa以上時直動式、分步直動式、先導式均可選用。
4、電氣選擇:電壓規格應盡量優先選用AC220V、DC24較為方便。
5、根據持續工作時間長短來選擇:常閉、常開、或可持續通電
?。?)當電磁閥需要長時間開啟,并且持續的時間多于關閉的時間應選 用常開型;
(2)要是開啟的時間短或開和關的時間不多時,則選常閉型;
(3)但是有些用于安全保護的工況,如爐、窯火焰監測,則不能選常開的,應選可長期通電型。
6、根據環境要求選擇輔助功能:防爆、止回、手動、防水霧、水淋、潛水。
rexroth電磁閥部分型號:
R44WE10J51A3X/CG24N9K4
R74WE10D4X/OCG24N9DL
R45-4WE10U3X/CG205N9K4/C
R24WE10Y11-3X/CG12N4K4/X20V
R05-4WE10J19-3X/CG24N9K4
R85-4WE10E67A3X/CG12N9K4/T06
R05-4WE10HA3X/CG24N9K4/A08
R64WE10JA3X/CG24N9K33L
R84WE10EA3X/CG110N9K4/V
R94WE10EB3X/CG110N9K4/V
R34WE10J73A3X/CG24N9K33L/A12
R14WE10H73A3X/CG24N9K33L/A12
R55-4WE10D3X/OFCG220NK4QSBG24WSO870
R44WE10EB4X/CW110N9DKL
R94WE10E13-3X/CW230N9K4
R94WE10C3X/OFCG110N9K4
R55-4WE10J3X/CG24K4QSABG24E
R05-4WE10D3X/CG24N9K4QSABG24S/C
R44WE10EB3X/CG220N9K4
R54WE10E4X/CG24N9DLSO482
R24WE10C4X/OFCG24N9DK25L
R34WE10D4X/CG125NDLSO321
R54WE10D73-3X/CG24N9K33L/A12=AN
R64WE10U3X/CG24N9K4/B10
R14WE10J3X/CG60N4K4
R55-4WE10D3X/OFCG220N9K4QSAG24E
R15-4WE10D3X/OFCG220N9K4
R04WE10X47A3X/CG24K4
R64WE10EB3X/CG24N9K4/B12
R84WE10UA3X/CG24N9K4QMAG24
R34WE10LA3X/CG24N9K4QMAG24
R84WE10JB3X/CG220N4K4/V
R64WE10EA3X/CG24N9K4QMAG24/B10
R64WE10C3X/OFCW110N9K4/B08
R74WE10Y73-3X/CG24N9K4/A12V
R44WE10E73-3X/CG24N9K4/A12SO292
R44WE10J3X/CG24NK4SO292
R55-4WE10L3X/CG24N9K4QSAG24S
R54WE10R73B3X/CG205N9K4/A12
R84WE10D19-3X/CG24N9K4
R34WE10E4X/CG205N9DL
R54WE10J3X/CW230N9K4/B10V
R64WE10Q3X/CG24N9K4/B12
R85-4WE10D49-3X/CG24N9K4SO771
R94WE10W3X/CG24N9K4/B08
R44WE10M3X/CW48N9K4
R04WE10C4X/CG110N9DL
R25-4WE10X186-3X/CG24N9K4
R05-4WE10X186-3X/CG12N9K4
R95-4WE10X185-3X/CG24N9K4
R45-4WE10X185-3X/CG12N9K4
R44WE10UA3X/CG24N9K4QM0G24
R74WE10D3X/CG220N4K4
R54WE10Y3X/CG24N9K4/B15
R64WE10E67-3X/CG24N9K4/T06V
R34WE10Y4X/CG24NDL
R15-4WE10J3X/CG12N9K4SO99
R75-4WE10E34-3X/CG12N9K4
R45-4WE10J19-3X/CG12N9K4
R34WE10PA3X/CG24N9K4QM0G24
力士樂REXROTH電磁閥的選型依據
R94WE10H3X/CW127N9K4
R45-4WE10Y3X/CG24K4QTAG24
R55-4WE10D3X/OFCG24N2K4QSABG24S
R84WE10D4X/CW110RN9DL
R74WE10X14-3X/CG24N9K4
R54WE10J73-3X/CG24N9K4/A12B08
R34WE10MA3X/CG24N9K33L
R05-4WE10D3X/OFCG220NK4QSBG24S
R04WE10J3X/CG24N9K4/VSO37
R44WE10D3X/CG96N9K4/T12SO99
R84WE10JB3X/CG24N9K33L
R54WE10Y3X/CG96N9K4SO99
R64WE10GA3X/CG24N9K4QM0G24
R44WE10E73-3X/CG110N9K4/A12
R95-4WE10J9-3X/CG24K4QR0G24S
R74WE10C3X/OFCW110N9K4/V
R54WE10D3X/CG96N9K4QMAG24/H06
R74WE10Y3X/CG24N4K4/X20V
R15-4WE10E3X/CG24N9K4/MHSO9
R44WE10D73-3X/CG220N4K4
R05-4WE10W3X/CG24N9K33L/C
R94WE10Q4X/CG24N9DK24L
R94WE10G4X/CG24N9DAL/V
R35-4WE10T3X/CG24N9K4/A06
R25-4WE10G3X/CG24K4QS0G24S
R84WE10E4X/CG48N9DKL
R95-4WE10RB3X/CG24N9K4
R14WE10J4X/CG24N9DK24L1
R85-4WE10J3X/CG205N9K4QSAG24S/A06
R34WE10M3X/CG48N9K4
R34WE10H3X/CW48N9K4
R84WE10Y3X/CG240N9K4
R04WE10J3X/CG24N2K4/B15
R24WE10G3X/CG24N9K4/B10
R84WE10EA3X/CG24N9K4/B10
R94WE10J3X/CG24N9K4/B40V
R94WE10J2-3X/CG24N9K4/B10
R74WE10EB3X/CG96N9K4/V
R34WE10Y3X/CG24N9K4QMAG24/V
R64WE10D4X/OFCG125N9DKL
R75-4WE10G3X/CG24N9K4SO555
R24WE10JB4X/CG24N9DL
R44WE10UA3X/CG24N9K4SO99
R14WE10E3X/CW230N9K4/T06
R54WE10HA3X/CG24N9K33L=AN
R24WE10MA3X/CG60N9K4
R84WE10J3-3X/CG24N9K4
R64WE10J3X/CW110N9K4/B12
R34WE10D3X/OFCG220N9K4/V
R25-4WE10D3X/OFCG220N9K4QSBG24S/V
R05-4WE10D3X/OFCG220N9K4QSABG24S/V
R04WE10D4X/OFCW110N9DL/V
R45-4WE10P3X/CG24N9K4QSABG24E
R64WE10R3X/CG96N9K4
R54WE10X7-3X/CW110N9K4QMAG24
R04WE10C4X/OFCW230N9DL
R64WE10X7-3X/CG24N9K4/T12SO9
R04WE10J3X/CG24N9K4/T12SO9
R94WE10D3X/CG24N9K4/T12SO9
R74WE10G3X/CG24N9K4/T12SO9
R64WE10W3X/CG24N9K33L
R54WE10C3X/CG24N9K33L
R04WE10Y3X/CG12N4K4/X20V
R54WE10H73A3X/CG24N9K4/A12SO292
R64WE10J4X/CW230N9DL/B08
R24WE10J3X/CW127N9K4
R84WE10X7-3X/CW110N9K4/V
R34WE10L3X/CG12N9K4
R04WE10G3X/CG220N9K4
R95-4WE10H3X/CG24N9K4QSBG24S
R54WE10G73-3X/CG12N9K4/A12
R65-4WE10J2-3X/CG24N9K4/C
R94WE10U12-3X/CG24N9K4
R85-4WE10D3X/CG24N9K33L
R94WE10C3X/OFCG24N9K33L
R55-4WE10J3X/CG205N9K4QSABG24S
R55-4WE10J3X/CG96N9K4QSABG24S
R74WE10C3X/CG24N9K4QMAG24/V
R54WE10J73B3X/CG205N9K4/A12
R44WE10D4X/OFCG125NDLSO321
R44WE10C3X/CG24N9K4/B40
R34WE10D4X/OFCG110N9DJL1
R84WE10D4X/CG110N9DL1
R54WE10D3X/OFCG24N9K4/B20
R14WE10Y3X/CW24N9K4
R15-4WE10JB3X/CG96N9K4
R04WE10E4X/CW230NDLSO321
R94WE10C4X/CW230NDLSO321
R84WE10EA4X/CW230NDLSO321
R75-4WE10D3X/OFCG24N9K33L
R84WE10H3X/CG24N9K4K
R24WE10G4X/CW110NDAL/V
R85-4WE10G3X/CG24K4QS0G24E
R84WE10E67-3X/CG24NK4/T06
R94WE10E67-3X/CG24N9K4/T06MH
R54WE10D3X/OFCW48N9K4
R74WE10C4X/CG24N9DL/B12
R05-4WE10G3X/CG24N9K4/A07
R84WE10D3X/OFCG96N9K4/B08
R65-4WE10J3X/CG24N9K4QSABG24S
R04WE10J73-3X/CG24N9K33L/A12=AN
R54WE10Y3X/CW110N9K4/B12
R85-4WE10E67-3X/CG12N9K4/T06
R94WE10HA3X/CG24N9K4QM0G24
R45-4WE10D3X/OFCG24N9K4/CV
R05-4WE10D3X/CG24N9K4SO546
R34WE10E34A3X/CG24N9K4
R34WE10D4X/OFCW230NDL
R84WE10E4X/CW110N9DAL
R24WE10D3X/CW110N9K4/B10
R14WE10D4X/OFCG24NDL
R64WE10C3X/CG220N9K4
R24WE10J4X/CG24NDKL/T06V
R15-4WE10T3X/CG24K4QR0G24S
R24WE10D3X/CG205N9K4/V
R84WE10Y3X/CG24N4K4/V
R24WE10D3X/OFCG24N2K4
R34WE10D3X/CW110N9K4/B08V
R24WE10R3X/CG24N9K4/T06
R95-4WE10P3X/CG24N9K4/C
R65-4WE10W3X/CG24K4QR0G24S/C
R14WE10U12-3X/CG24N9K4QMAG24
R74WE10H3X/CW230N9K4/V
R94WE10E19B3X/CG24N9K4
R25-4WE10F3X/CG205N9K4/C
R84WE10D4X/CW110N9DKL
R44WE10J4X/CG24N9DK25L
R24WE10D73-3X/CG24N9K4/A12B20SO292
R54WE10C3X/OFCG220N9K4
R54WE10J4X/CG24NDLSO321
R04WE10C3X/CG24N9K4SO194
R24WE10H73-3X/CG24N9K4
R34WE10R3X/CG24N4K4
R94WE10E3X/CG24N9K4/B25
R24WE10X22-3X/CG24K4QMBG24SO825
R94WE10D3X/CG24K4QMBG24SO825
R55-4WE10Y3X/CG24K4QMAG24
R14WE10D4X/OFCG110N9DKL
R34WE10C3X/OCG24N9K4/V
R84WE10U10-3X/CG24N9K4/T06
R74WE10E4X/CG110N9DKL
R04WE10JB3X/OFCG24N9K4
R24WE10J3X/CW110N9K4/B08V
R74WE10D28-3X/CG24K4
R34WE10Y3X/CG24K4
R74WE10J4X/CG48NDK6L
R44WE10E4X/CW110N9DK25L
R64WE10D3X/OCG125N9K4
R84WE10U10B3X/CG24K4
R95-4WE10D3X/CG24N9K4QMAG24/A06
R84WE10R4X/CG24N9DKL
R54WE10Y4X/CG24N9DL
R44WE10E4X/CW230N9DAL/V
R05-4WE10E67-3X/CG24N9K4/A08T06
R84WE10G4X/CW110N9DKL
R44WE10D4X/CG48N9DKL/B15
R74WE10J4X/CW230N9DAL/V
R04WE10D4X/CG24N9DKLQMAG24
R84WE10EB3X/CW230N9K4/V
R74WE10HA3X/CW230N9K4/V
R34WE10D3X/CG110N9K4/B08
R04WE10J4X/CG24N9DL1
R54WE10E4X/CG24NDL
R04WE10EA3X/CG24N9K4QM0G24
R64WE10D4X/OCW230N9DL
R75-4WE10J47-3X/CG24N9K4
R74WE10EB4X/CG24DAL
R55-4WE10J3X/CG205N9K4/A06
R15-4WE10D3X/CG96N9K4QMAG24/A06
R55-4WE10D3X/CG205N9K4QMAG24/A06
R85-4WE10E3X/CG24K4QR0G24S
R44WE10D4X/CW110N9DL/V
R74WE10D3X/CG220N9K4QMAG24/V
R64WE10HB3X/CG12N9K4
R74WE10X7-3X/CW127NK4
R34WE10U3X/CG205N9K4
R84WE10J4X/CW110N9DKL
R44WE10E73-3X/CG96N9K4/A12V
R94WE10E3X/CW100N9K4
R54WE10H4X/CW230N9DL
R94WE10D4X/CG24N9DK25L
R94WE10J4X/CW200N9DL
R24WE10EA4X/CG24N9DL
R44WE10E4X/CG24N9DKL/V
R34WE10EB4X/CW110N9DL
R64WE10D4X/CG24DKL
R74WE10J4X/CG48N9DKL
R24WE10D4X/CW230N9DKL/V
R44WE10C3X/OFCG205N9K4
R94WE10H3X/CG24N9K4SO9
R74WE10M3X/CW110N9K4/B04
R84WE10HA3X/CG24N9K4/B12
R74WE10D4X/CG24N9DK24L
R64WE10D73-3X/CG110N9K4/A12
R15-4WE10C3X/OFCG205N9K4/C
R05-4WE10F3X/CG24N9K4
R54WE10J4X/CG24N9DL/B08
R24WE10E4X/CG24N9DL/V
R84WE10J3X/CG24N5K4
R14WE10HB3X/CW24N9K4
R54WE10G4X/CW230N9DKL
R24WE10Y3X/CW42N9K4
R54WE10D4X/CG24NDKL
R34WE10EB4X/CG24N9DAL
R64WE10L4X/CW230N9DKL
R24WE10J3A3X/CG24N9K4
R94WE10X10B4X/CG24N9DL
R85-4WE10D6-3X/CG24N9K4
R44WE10M4X/CG24N9DL
R14WE10Y4X/CG24N9DLSO9
R14WE10J4X/CG24NDL
R84WE10H4X/CW230N9DKL
R65-4WE10U3X/CG24N9K4/A06
R74WE10J4X/CW230N9DKL/V
R64WE10G4X/CW110N9DL
R45-4WE10E13-3X/CG24N9K4
R94WE10U10B3X/CG24N9K4QM0G24
R64WE10D4X/OFCW230N9DKL
R94WE10J4X/CW110NDL/B10V
R84WE10G4X/CW230N9DL
R84WE10Y4X/CG24N9DKL
R64WE10D4X/OFCW230N9DL
R54WE10HB3X/CW230N9K4
R24WE10G3X/CG24N9K4/B12
R44WE10R4X/CG24N9DL
R14WE10G4X/CW110DLSO21
R74WE10J4X/CG24N9DK24LSO482
R14WE10C3X/CG24NK4/V
R14WE10J4X/CW230N9DKL
R74WE10E4X/CG60N9DL
R64WE10J4X/CG60N9DL
R64WE10X6-3X/CG24N9K4
R74WE10D4X/CG24N9DKL/V
R24WE10Y3X/CG24N9K4/B12
R14WE10D4X/OFCG110N9DL
R54WE10W4X/CG24N9DL
R54WE10E4X/CW230N9DL
R84WE10C4X/OFCG24N9DKL
R64WE10FA3X/CW230N9K4
R74WE10G73-3X/CG24N9K4/V
R94WE10D4X/CW110NDL
R74WE10D3X/OFCG110N9K4/V
R54WE10G4X/CG24N9DKL
R24WE10J4X/CG110N9DL
R05-4WE10E67-3X/CG96N9K4/CT06
R94WE10D3X/OFCW127N9K4
R74WE10J4X/CG110N9DKL
R64WE10C3X/CG24N9K4/MH
R44WE10E4X/CW110N9DKL
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