Burkert寶德電磁閥從原理上可分為哪幾類？
Burkert寶德電磁閥原理上可分為三大類：直動式電磁閥、分布直動式電磁閥、先導(dǎo)式電磁閥；各分類的原理及特點(diǎn)描述。
Burkert寶德電磁閥從原理上可分為哪幾類？
直動式電磁閥
原理：通電時，電磁線圈產(chǎn)生電磁力把關(guān)閉件從閥座上提起，閥門打開；斷電時，電磁力消失，彈簧把關(guān)閉件壓在閥座上，閥門關(guān)閉。 特點(diǎn)：在真空、負(fù)壓、零壓時能正常工作，但通徑一般不超過25mm。
分布直動式電磁閥
原理：它是一種直動和先導(dǎo)式相結(jié)合的原理，當(dāng)入口與出口沒有壓差時，通電后，電磁力直接把先導(dǎo)小閥和主閥關(guān)閉件依次向上提起，閥門打開。當(dāng)入口與出口達(dá)到啟動壓差時，通電后，電磁力先導(dǎo)小閥，主閥下腔壓力上升，上腔壓力下降，從而利用壓差把主閥向上推開；斷電時，先導(dǎo)閥利用彈簧力或介質(zhì)壓力推動關(guān)閉件，向下移動，使閥門關(guān)閉。 特點(diǎn)：在零壓差或真空、高壓時亦能可*動作，但功率較大，要求必須水平安裝。
先導(dǎo)式電磁閥
原理：通電時，電磁力把先導(dǎo)孔打開，上腔室壓力迅速下降，在關(guān)閉件周圍形成上低下高的壓差，流體壓力推動關(guān)閉件向上移動，閥門打開；斷電時，彈簧力把先導(dǎo)孔關(guān)閉，入口壓力通過旁通孔迅速腔室在關(guān)閥件周圍形成下低上高的壓差，流體壓力推動關(guān)閉件向下移動，關(guān)閉閥門。 特點(diǎn)：流體壓力范圍上限較高，可任意安裝（需定制）但必須滿足流體壓差條件。 2.電磁閥從閥結(jié)構(gòu)和材料上的不同與原理上的區(qū)別，分為六個分支小類： 直動膜片結(jié)構(gòu)、分步重片結(jié)構(gòu)、先導(dǎo)膜式結(jié)構(gòu)、直動活塞結(jié)構(gòu)、分步直動活塞結(jié)構(gòu)、先導(dǎo)活塞結(jié)構(gòu)。

型號示例參考：
BURKERT6213G3/4DC24通徑DN20BURKERT135211BURKERT126155
BURKERT141199BURKERT060621B閥體：00141266BURKERT133759
BURKERT6213A10NBRM5G1/224VDCBURKERT141199BURKERT6213A13OEPDMVAG1/2P0BAR24V
BURKERT141266BURKERT454424JBURKERT2W-250-25DN250-1.6MPADC24V
BURKERT134317BURKERT429102BURKERT1249BURKERT1250BURKERT1251
BURKERT2712DN50BURKERT2712DN65BURKERT134328YBURKERT050787G0130AAC220V1barBURKERT126260BURKERT21848
BURKERT136053BURKERTSolenoidvalue2/2,g1/4,DN4,PN0BURKERT0290A12.0NBRMSG1/20-10BARBURKERT24VDC/ACPN-25bar8w
BURKERT17018BURKERT17427BURKERT0281型電磁閥線圈BURKERTDN13
BURKERTDN20BURKERTDN25BURKERTDN32BURKERTDN40BURKERTDN50BURKERT130654BURKERT134175BURKERT141266
BURKERTVNS02218KKEARH9P1.9P1BURKERT283BURKERT318
BURKERTHK00267BURKERT500987SDC24VBURKERT643-5104BURKERT551703＋551689BURKERT60621BURKERT132724BURKERT133759
BURKERT48606BURKERT141482BURKERT149295BURKERT00001399DN32PN25
BURKERT00001401DN50PN25BURKERT134317BURKERT132652BURKERT134329
BURKERT420GFLNSCH24VBURKERT134345BURKERT001249QBURKERT001250MBURKERT001253CBURKERT0331-C-40NBR-MS
BURKERT60644BURKERT134317BURKERT126411BURKERT134317MG1/20.2-16bar24VDC8WBURKERT126155
BURKERT5281SB-A500-BB-MS-GM89-5-024/DCBURKERT501108
BURKERT501108EBURKERT642292BURKERT12565BURKERT126260
BURKERT126155BURKERT00139670G224VDCBURKERT00139670G224VDC
BURKERT0331AC2.0NBRMSG1/4DC24VBURKERT用于2000DN20內(nèi)螺紋式的密封件
BURKERT263725BURKERT264926BURKERT134615BURKERT134615
BURKERT420685BURKERT642292BURKERT0281A13BURKERT162591
BURKERT5282A13.0FPMMS24V8WBURKERT5282A20.0FPMMS24V8W
BURKERTDN40316(2650)BURKERTDN5316(2650)BURKERTDN65316(2650)
BURKERTBATCH:SE35/8035115-230VACBURKERT502539BURKERT141266
BURKERT密封圈BURKERTRQ941F-16DN125BURKERTRQ941F-16DN40
BURKERTRQ941F-16DN50BURKERTRQ941F-16DN65BURKERTRQ941F-16DN80
BURKERT5413BURKERT6519BURKERT133765BURKERT134344
BURKERT631300A20BURKERT631300A25BURKERT615157BURKERT69006
BURKERT0331-C-4ONBR-MSBURKERT500987SDC24VBURKERT17023
BURKERT130Q0.2-16BARG3/4BURKERT60644BURKERT134317
BURKERT528150-60HZ24VG2/420MMBURKERT41439BURKERT470
BURKERT2310BURKERT126155BURKERT120695BURKERT134683
BURKERT144933BURKERT164832BURKERT120110底座BURKERT141187KDC24VBURKERT2897830BURKERT0281-B-500-BB-MS-GM89-024/DC-08BURKERT121405
BURKERT123772SBURKERT001412661閥體BURKERT密封圈
BURKERT17427BURKERT134601BURKERT501215BURKERTCN00005
BURKERT420661BURKERT621300BURKERT134430BURKERT134438
BURKERT6213G3/4DC24DN20BURKERT642140MBURKERT134324
BURKERT021563G06BURKERT60621BURKERT001136PBURKERT001446W
BURKERT134317MG1/30.2-16bar24VDCBURKERTGL-8BURKERTL1-8
BURKERT703379BURKERT16574227021067G1/2BARBURKERT134683
BURKERT130365BURKERT6012型427922BURKERT502549BURKERT615157
BURKERT134325MBURKERT134438PBURKERT5282A25BURKERTPMED-15BAR00001138BURKERTP6BAR24VAC/DC80/6W00048606
BURKERT125304BURKERT134630TBURKERT150311BURKERT125366V
BURKERT1067CNC6701BURKERT13435BURKERT418843BURKERT443821
BURKERT141266BURKERT8025BURKERT80258030G1/2BURKERT80308025G1/2BUR
BURKERT64987BURKERT502539BURKERT414531DBURKERT50294
BURKERT134615BURKERT481865BURKERTE131E03BURKERT631300
BURKERTZB1414W（訂貨號：173450）BURKERT134238W110VBURKERT134615Q
BURKERT134317BURKERT60644BURKERT132202BURKERT197126
BURKERTDN80316(2650)BURKERT050294ABURKERT134615Q
BURKERT134317MBURKERT2030-1-141-468CBURKERTG1-B
BURKERT2030A20.0EAPVD25BURKERT0281A13BURKERT346-C-40.0-B-RG24V11WG11/2BURKERT6213A2010BURKERT61303
BURKERT141199BURKERT141266BURKERT628006BURKERT126260
BURKERT6014.C1.524VAC50/60HZBURKERT170720BURKERT8組/快629505B
BURKERT17018BURKERT17427BURKERT125660BURKERTTB5211-D-G
BURKERT701516BURKERT134076BURKERTAV2650-FLBURKERT502539
BURKERT144293BURKERT65395BURKERT6213ABURKERT125724W27LGAC24VBURKERT2511DC24VBURKERT1138
BURKERT41329BURKERT134322BURKERT073288fBURKERT2632(DN50)
BURKERT125333LBURKERT125690XBURKERTW23LR125690X(6014)
BURKERTSE35/8035COILINDUCTION12-30VDBURKERT418802S
BURKERTIMPLUSHK002670346BURKERT134680