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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。

DGMC2-5-AB-GW-BA-GW-30,DN10 31.5MPa 120L/min 

CG5V-8GW-D-M-U-H5-20,DN25 35MPa 400L/min 

換向閥DG5S4-046AL-E-MUH56

DG4V-5-6CJ-MUH620KHB-16SR-1212-01X 

KHB-15LR-1212-01X 

KHB-12LR-1212-03X 

RVP-25-0.1X 減壓閥 ADM 21 DR-30

減壓閥 ADM 21 DR-30

壓力閥 AL?4?PH-30

壓力閥 AL?4?PM-30

閥塊 AS 1 F 1 V/120-X 24

閥組 AS 1/130-L 24

閥組 AS 3 F 3 G/150-G 24

閥組 AS 3F 2/30-G 24

節(jié)流閥 AV 3

節(jié)流截止閥 AVT 8

單向閥 B 1-1

單向閥 B 1-3

單向閥 B 1-4

單向閥 B 1-5

單向閥 B 1-5

RVP-06-01.X 

RVE-R1/8-X-0.5 

RV10120-01X 

RV-10-1.0/0 

RVP-12-01.X 

RVE24S/11 

RFP110DC20C1.X 

RFLDBN/HC331DAL10D1.X/-W-L24 

RFDBN/HC1301F10D1.X/-L24 

RFDBN/HC1300DAP10D1.X/-L24 

RFBN/HC160DE20C1.X 

RVP-08-01.X 

RV-25-1.0/0 

RFP30BB20B1.X 

RFP30BB10ES1.X 

RFBN/HC330DL20D1.X/-L24 

RV-30-1.0/0 

RV-20-1.0/0 

RFMBN/HC330G20D1.X/-LED 

RFBN/HC1300DP10D1.X/-L24 

RVP-30-01.1 

RVP-30-0.1X 

RVP-20-01.1 

RVP-10-01.1 

RVP-08-01.X 

RV-40-01.1/0 

RV-25-01.0/Q0-5bar 

RV-20-01.1/0 

RV-10120-01X 

DG4V-3-2N-M-U-D6-60 

DG4V-3-33C208-MUHH760 

DG4V-3-2A-M-U-C6-60 

DG4V-3-2A-VM-U-C6-60 

DG4V-3-6B-MUH760

DG4V-5-2CJ-MUH760

PVH131R13AF30A250000001001  877460

DG4V3SOBMUH560

CG5V-6GW-D-M-U-H5-20，DN16,35MPa,200L/

VICKERS威格士DGMX2-5-PP-BW-B-30

DG4V-3-0B-M-U-C6-60 

DG4V-3-0B-M-U-H7-60 

換向閥DG4V-58CJ-MUH620

換向閥DG5V-8S-2C-T-MUH10

DG4V-3-22A-M-U-H7-60-EN2-1 

DG4V-3-2A-M-U1-H7-60 

DGMPC-3-ABK-41

DGMPC3ABMBAM41

換向閥DG4V-5-3CJ-MUH620

換向閥DG4V-5-6CJ-MUH620

DGMX25PPFWB30

PVQ20B2RSS1S21C21D12

換向閥DG5V-73CTMUH560

換向閥DG5S4-042A-T-MUH560