專業采購歐美進口工業配件，為國內客戶提供德國及歐美工業產品、備件一站式綜合采購服務。
FANDIS A12B23MTBW00報價
為了克服這一缺點也采用提高整定值，以限制動作范圍的辦法，這樣就不必增加時限可以瞬時動作，其動作是按躲過大運行方式下短路電流來考慮的，所以不能保護線路全長，它只能保護線路的一部分，系統運行方式的變化影響電流速斷的保護范圍。、什么叫接地？什么叫接零？為何要接地和接零？答：在電力系統中，將設備和用電裝置的中性點、外殼或支架與接地裝置用導體作良好的電氣連接叫做接地。將電氣設備和用電裝置的金屬外殼與系統零線相接叫做接零。
WENGLOR YK12PA7S861
BURKERT 電磁閥317212
Eaton Moeller 177800
MD MICRODETECTORS MDI63G 627
LEUZE 50118981 CML730i-T20-2550.R-M12
OMRON A22NL-MGM-TYA-G102-YE
IFS IFEZ245/IHG1-1/02/8/4KV 變壓器
LEUZE 50131712 CML730i-R05-2240.A/PN-M12
TITAN 打捆機送帶輪120001-498
SIEMENS 7ML5221-1DA17 液位計
IBAU HAMBURG B200 302714
EXSYS EX-1339HMVS
SCHNEIDER XACA2054
Eaton Moeller 264928
Datasensor S50-PA5-C01-0PP 感應傳感器
SCHNEIDER AYA2900121
Vishay Electronic 21A11B10 21 A 11 BO10 e
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SCHNEIDER ZB4BC28042
norelem 27702-0712
sinex ST500 Spool Block M150 Type M 150/380 F-Nr 820-374-2465
SCHNEIDER ISM10301P
UNIVER S1004320922M
heidenhain ROD 780C 36000 383600-22 光學測量儀零件（光柵尺）
OMRON A22NZ-3MM-01GA
BANNER SLLCR14-490
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Gefran-2019 F020576 TR6-D-2-B-B-C-I-D-2 000X000X00060XX
小強工控 CARLO GAVAZZI PS21L-NT02PH-T00
LIKA編碼器C50-H-100ZCU410L5 100PPR-L10MT
Elpress "PVL1300
"
Eaton Moeller 265333 PKZM0-0,4/AK
EA ZH311026
SIEMENS 6SL3955-6HC01-0AA0
ATOS DHZO-A-073-S5/PE
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BANNER SME312FPW
FINDER繼電器155182300404
MD MICRODETECTORS MDI58C 1160
MURR ELEXTRONIK 7000-12341-0240500
ELADOS EMP III 149405 E0001200PP03EPPTPP999910 0707PP999907
Sommer-automatic GmbH & Co. KG MFS103SKHC 接近開關
LEUZE 50114525 NT f. IT 1900+Base-EU
FEAS Artikel-Nr.:58637
Gefran-2019 F002965 PVC 2X1 TX DIN 100M
Mahle PIS 3070/-200 MBAR,Nr:77669724
SCHNEIDER LV429331
HARTING 19300161421
小強工控 CARLO GAVAZZI PS42L-AT02LS-T00
RELECO C3-G30/DC12V R ..
HS-COOLER KL-0501,Holzkiste (für Seeversand/Luftfracht IPPC) 加熱器附件
Losma A001.34.00729 Darwin 1200 D1 'CE' RAL 7035 400V / 50Hz
DOLD安全繼電器47690 BA9018 3AC50/60HZ 400V 1,5KW 12S
STROMAG NFF6.3
Eaton Moeller 283390 PKZM01-16
Bermers typ: 1820.R/K
Elau SM-140/30/120 / P1 / 45 / S1 / B0
SCHNEIDER XU2S18PP340WLDR
MICROPRECISION MP321-1MS27/375/100PVC 微動開關
Hengstler RI58-O/ 1024AK.47RD
SCHMERSAL AZM 415-11/11zpk 230 VAC 感應傳感器
SCHNEIDER BRS39BWS0654
ELECTRONICON E62.C58-68E10 MKP 0.68UF+10%
BEA MATRIX-D-220
COBO SPA 18.0228.0000 24V 100A
OMRON K6CM-ISZBI52
RIEGLER VT 15144
GMC-I Messtechnik GmbH Sineax DME 401 146515 Hn:85-230V AC/DC
Bürklin 91 F 664（100M）
OMRON HK-01776-KL
Eaton Moeller CGL-100
LEUZE 50116850 LE318B.W/4P
SCHNEIDER AK5PA211N1
SCHNEIDER ZCP28
MOOG D634-341C
BANNER T18SP6FF50
Avtron M4-H8PX60PT-010
HBM 3-3301.0158
BANNER DX80N9X2W2N2TC
Spieth MSA 75.1,5
MD MICRODETECTORS MDI63A 2913
MARTENS BA9624-1-1-2-0-10-1，SKALA:0~100%)
CASAPPA 06003208 HAND EP12-S/T0A
TURCK FEN20-16DXP
HENGSLER R180-E/1024E1K30KB
SCHNEIDER MGU66.006.296
CASAPPA 76151558 HDP35.125-34/35.125 D1
SCHNEIDER VDIB502501C
FINDER繼電器553381150000
RIEGLER B-931
CASAPPA 020010C0 MOTOR PLM20.6,3R0-54B2-LBC/BE-N-EL-GB
SCHNEIDER DZ5CE060
SELET傳感器SFM2622
DI-SORIC DCCK 12M 04BPSK-IBSL
Vishay Electronic "750V 68uF ±10% Film 84x190mm Bulk Heavy?Current
*MOQ: 4 pcs)"
RIEGLER 120.32
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MD MICRODETECTORS MDI38F 887
FANDIS A12B23MTBW00報價
WNY1也是目前國內壽命長的微型調速水泵。根據生產需要靈活地降低轉速還可以提高泵的壽命。使用證明可調速水泵性能出眾，完全符合設計要求。管路的開關選用了國產優質的電動閥門，壽命長，動作可靠。改造完成后，能夠根據生產需要自動準確地添加助劑，大大提高了添加系統的智能化程度。經過長期運行，單片機、計量和輸送設備運行穩定，控制品質良好，控制效果明顯改善，選用的設備具有較高的性價比，達到了設計目的。
Gefran-2019 F061541 GS-25/60-D-0 (600V/25A)
Gefran-2019 F053275 TK-E-1-F-B03U-H-V 2130X000X00
SCHNEIDER STBDAO8210
DOLD安全繼電器66443 EH7610.21 AC50/60HZ 110V 0,2-6S
Gefran-2019 F057991 M31-6-M-B35D-1-7-D 2130X000X00
Gefran-2019 F043534 W30-6-M-P05M-1-5-0 2130X000X00
SCHNEIDER XUSLBQ6A1640
CASAPPA 02002965 MOTOR PLM20.11,2S3-55B2-LBC/BE-N-EL
MAPAL HSK63x40300 DIN 69893 A 0350-2231 23750050
BANNER QS30AFF400
BANNER SM2A312CV W/30
LEUZE 68023410 MLC520R40-1050MG
WEH E50-138S519
Dina Elecrtonik DINA SIN 800
Gefran-2019 F037085 TCM-GF-1-J-0-D-0-T-H 000X050X00010XX
UNIVER K2000400175
OMRON 3-4045-MED-350-B6000
MAXON電機353112
OMRON SGE-125-2-0550 10000C
OMRON D4NL-4FFG-B
Eaton Moeller 236036 PXL-B32/1
ALRE KR 85.109-2
OMRON FH-XDM-L
LIKA編碼器EM58S08/16GY-12-V0.2 PAR D12MM-0.2MT+MIL32
OMRON G7J-4A-P 100/120VAC
BURKERT 電磁閥349726
SCHNEIDER NSYDCRN64
BOURNS 6657S-301-202
BUCHER CINDY 12-B-PND-S140-A-G9-4
BANNER P4COR-BD
KNF NMP830KNDC12VDC
RIEGLER MS251KM2416
SCHNEIDER NSYTRABF5D
B&R 8AC110.60-1
STAHL 8070/1-1-ZB
ATLAS COPCO 4220 2636 05
Herion S6VH10G02000160V
TWK編碼器SWF10B-01 10m Nr:0328405
SCHNEIDER XY2CZ701
UNIVER F-0225
SCHNEIDER KTA1600LP7A2
OMRON R88D-GN15H-ML2
BURKERT 電磁閥79248
Eaton Moeller 112224
BANNER TL30FWBGYR
BANNER WLS28XW1130S
LORENZ D-DR2493/M410-G225（Output signal ±10V）
意大利elsi F1.M60-P00-B0112-S00
SCHNEIDER SDN5800421
OMRON FHV7H-M016-S12-W
MD MICRODETECTORS MDI38F 1933
SCHNEIDER ZB6YK6
SCHNEIDER ZB4BW31S
SCHMERSAL 101006297 EDP40GB
UNIVER S1011501070
Grecon 558956EX 電纜
KEB 07.03.100.0241/07.02.0241 24 VDC 16 WATT
ATOS 08E001 RI-LES-PS-01H/Z /LQ83XA
MD MICRODETECTORS MDI38G 255
Eaton Moeller 12THLEJ80 12KV 80A 2.5" DIN BROWN RESIN SEAL FUSE
Karl Klein Ventilatorenbau GmbH DNG 2-2.5/S WS/ K30-2 Fan Including motor
OMRON CP115-MO2-35-111/R88M-K75030F
SCHNEIDER TSXP572623M
RIEGLER SP 102/1
AirCom R11-02C
GEMU 817 40 D 722140169 5000
SCHUNK MMS22-SPMB 0301032
Eaton Moeller 280925 P5-160/EA/SVB-SW
BANNER SLLE23-1470P8
joventa CVDN15/3/2,5/W
IBAU HAMBURG SN:28D050A00110 500L COM NO 0.24814 ITEM NO 1.1B
SCHNEIDER PMF83VT-GR
BURKERT HK00944
Sera R-S10-2-900S
ZIMMER MK2501A
MICROSONIC ZWS-15-CD-5MS
ami-control J2101-00-00
Buehler NT64-MS-2M12/370-2K-TK70NC
Gefran-2019 F072302 GFX4-80-T-2-0-M
Bailey G4-2043OV(Inlet pressure 1-3bar, outlet pressure 0.5-1.5bar)
RIEGLER 533.312
SCHNEIDER LV426501
CASAPPA 019985XP PLP20.11,2D0-31S1-LBE/BC-N-EL
Eaton Moeller 121558
RIEGLER 120.24
SCHNEIDER EZC100H4015
Delta M Corp. TYPE:LS32NX-N-SPL-S6-008.00-220-LE-HT-SPL
RIEGLER 56.014-8-E
OMRON E2E-X2F1 2M
MARPOSS 3427848326
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CASAPPA 03600349 REAR SECTION PLP30.43S0-65M6-LGF/GF-N-P
SELET傳感器OCV81/BAPNCMC5
LEUZE 68026101 MLC510R14-150.1
EUCHNER NZ1VZ-3131E-M
CASAPPA PLP30.27-A8U3/20.8 S/FS-L
SCHNEIDER ZB5AK1543C0
heidenhain 393000-04 光學測量儀零件（光柵尺）
Tecna T9346NY BILANCIATORE PORTATA 2-4KG C.25 00MM
FLENDER BWN43- 24/25
小強工控 CARLO GAVAZZI UA18CAD04NKTI
SCHMERSAL 101185184 MKTC32/WKT-19.4
Eaton Moeller 16078 T0-8-15100/Z
hastings SWITCH HEAD
SAMSON TROVIS 6495-2
BECKHOFF KL4031
Eaton Moeller 16D16R FUSE 16A DI/E16 GR 500VAC
BANNER SLPP14-270N
hydac HDA 3845-A-250-000 壓力變送器
STROMAG 115-HGE-890-FV70-A2R
RAZIOL EBAD3000
SCHNEIDER BMH1003T16F1A
HEW R3DF160L/4KFr Nr:770115
SCHNEIDER MTN433514
BURKERT 電磁閥298666
SCHNEIDER KBA40EA403
Turck FLDP-OM8-0001 Nr.6825321
BURKERT 00001135N
ETA 3120-F521-P7T1-W01D-16A
Proxitron IKZ 182.23GH(2229D)，10-30VDC
parker 1CA43-12-6(M18X1.5)
CASAPPA 79920570 KP30.27-04S3/30.27-67/PLP20.16-EL D
Eaton Moeller 133076 XAR11
CASAPPA 00390018 SECTION PLD10.3,15-**/GC-N-CS-GD
SONTHEIMER HLT40/4V/Z35/Z49/FG
CASAPPA 03789124 MOTOR HDM35.80S0-06S8-LME/MF-N
KOCH BWD250003
SCHNEIDER 140DDO35300C
balluff BIL AMD0-T060A-01-S75 位移傳感器
Gefran-2019 F011811 TC1M-A-1-K-5-F-C 020E000X04790XX
CASAPPA 79913179 KP30.61/30.27 D
ALRE IKF1P100/600
SCHNEIDER NSYCD2M10075
Eaton Moeller 207429 T5B-4-15682/Z
FANDIS A12B23MTBW00報價
全板自動檢測，自動路徑優化。對于有缺陷的錫膏，快速的進行檢查及自動分類。6~8次采樣，可靠性，高精度的檢測結果。設備重復性精度1%(6Sigma)自動消除板彎影響。功能強大的過程控制軟件(SPC)。手工Teach功能應對無Gerber文件時的檢測。Gerber文件導入編程。五分鐘編程和一鍵式操作。SPI錫膏測厚儀基本功能:錫膏厚度測量，平均值、高低點結果記錄,厚度比、面積、面積比、體積、體積比測量，XY長寬測量,截面分析:高度、高點、截面積、距離測量,2D測量：距離、矩形、圓、橢圓、長寬、面積等測量,自動XY平臺，自動識別Mark，自動跑位測量,在線編程，統計分析報表生成及打印，制程優化3DSPI錫膏測厚儀與在線spi錫膏測厚儀的區別實際上是一個意思，只是現在大家通常將在線式成為SPI，離線稱為錫膏測厚儀而已在線SPI很快會得到大面積使用，但是回過頭來講，印刷機好，SPI的作用小；回流爐好，REWORKSTATION(返工工作臺)的作用小。
YTC yt-400 DN1/4Npt
Gefran-2019 F043240 TC1-A-3-J-5-A-I 050X000X00050XX
CEMBRE DR70-8
ibg 75110-4 Spherical X-type probe d=4mm
Gefran-2019 F027052 1200-RRRR-02-0-0
kfm 321402 Fb.Nr. V210 37 001 油壓傳動閥
BECKHOFF C9900-E209
GEMU 695 32D 1375F12/N 6.0bar
BELIMO NMS230-S 090 101 004；10Nm；100V-240VAC 30個
OMRON CS1W-BI032
SCHNEIDER LC1DTKP7
Norelem 06210-2101 ---
REXROTH R902422162 Speisung 10Vss 5KHz Messweg±4.5mm
BURKERT 電磁閥300781
parker PS2-3PYD
BECKHOFF CP6019-0001-0000
MD MICRODETECTORS MDI38F 455
CASAPPA KP20.16/20.16 S/FS
LIKA編碼器I115-H-1024ZCT411 1024PPR
SCHNEIDER XCSD3719G13
SCHNEIDER KSA1000DLL41F
DOLD安全繼電器43886 AA9943.12/001 3AC50-400HZ 460V
SCHNEIDER XS4P30MA230K
Schneider Electric ILA1B572S1801
BANNER IMTP.753PM.5
SCHNEIDER XCSTE7341
SCHNEIDER MTN249719
LEUZE 50116987 LSIS 462i M43-M1-01
FINDER繼電器601242510040
MOTORTRONICS ME2-1P5-M
SCHNEIDER VW3A5208
小強工控 CARLO GAVAZZI MOFR-M12-2
小強工控 CARLO GAVAZZI EM27172DMV63XOSX
MD MICRODETECTORS MDI63D 1535
LENORD+BAUER 2432T-1BC600 1350001159
BANNER QS18ANWLV W/30
LEUZE 50133874 KDS S-M12-5A-M12-5W-V1-003
小強工控 CARLO GAVAZZI LDI35AV2C1XXXX
ENEO VMC-15LCD-P BNC
FINDER繼電器434170124001
英國ONDRIVES變速箱和減速器FFS20-6AR
BECKHOFF IP5209-B518-1000
SCHNEIDER ABFH32H150
PECKWOMY PWA51190*90NP36A
GEA 010843-0001/F224
小強工控 CARLO GAVAZZI PS31L-MT21RH-T00
GLOVENZANA EN600947-3
DOLD安全繼電器67256 ZB6900/050 869MHz,SMA 1/2-Welle
SELET傳感器STS-1397
BANNER PSG-4M-416-USB
UNIVER BDF-3130TIM
BURKERT 5404 B7/16 EF BRNPT1/4 PMAX 362PSI 120V 60HZ 110V 50HZ 22124085 REV C 00461333
cemp n1113638090y11
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BANNER PIT460U
SCHMERSAL 103016234 SLC240COM-ER-0890-14
M&S 316L-1.4404-DN25-B1936
Gefran-2019 F004327 PZ-12-F-075 0000X000X00
contrinex LRS-5050-103-9002
Rittal SK 3238.100
SCHNEIDER 171CCC98020
小強工控 CARLO GAVAZZI PS21L-PS02LB-M00
Gefran-2019 F053970 TK-E-7-E-P75U-M-V 2130X000X00
SCHNEIDER KTA1250EH420
BARKSDALE BFS-10-N-G1/4-MS-WE-ST
microsonic dbk+5/Sender/M18/K2
HBM 1-MVD2555
bedea 1102 RG 218
Eaton Moeller 168222 FRBDM-D6/2/01-G/A
Gefran-2019 PAS001 PASSACAVO AMP 880810-1 *
BANNER TL50HGYBRALS
ATOS PVPC-PERS-PS-5090/280/10/X21
LEUZE 50137187 LE3C/6G-200-M12
IPF VK150F84
RITTAL SV 9320.180
SIME-STROMAG 110636-1/3
Gefran-2019 F010206 TCM-GF-1-J-0-A-0-T-E 070X000X00010XX
CASAPPA 03565324 KP20.6,3S0-31S1-LEA/EA-N
Dietz motoren Type FDR 80/100/2 Q _122122 S1 NR.838550 195426/20 B14/160 1.1KW
英國ONDRIVES變速箱和減速器E30-3
OMRON D4E-2G20N
HPI M3BAN2010BL10B02N
BANNER BT1.8SMBL3.5
OMRON NYP2C-31392-12WC1002
Gefran-2019 F017511 TR1-A-1-B-2-A-F 030X000X00050XX
SCHMERSAL 101204035 MKTB32/WKT-19.4
norelem 07534-10x16
Phoenix 2864095
staefa-wire CMA-528-2T-1.5
Eaton Moeller 166310 ASPIFTUCTC2511
LEUZE 50123172 CML730i-R10-960.A/PB-M12
BANNER LTBB5LQD
OMRON 12W-2P
SCHNEIDER ATV61HU75M3
BECKHOFF C9900-H570
hydac EDS348-5-016-000
FSG SL3002-PK1023-GS80/F01
TWK編碼器CRD66-4096R4096C2Z01
Eugen Seitz Art,NO.118.007.024P 24VDC 8W
ABB PFEA113-IP65
BANNER TL50YBGALS3Q
HONEYWELL 854XTG
SCHNEIDER XB4BA21
LIKA編碼器AM58S10/64AV2-10-RM2 AN D10MM-0-10V-CON.M23
Eaton Moeller 278551 FAZ-C3/1
BURKERT 電磁閥561607
Guntermann&Drunck GmbH miniMUX4 Serien-Nr:GD02002565 Artikel-Nr:A2100028
HESPER HA2-16-33-HH-C
AECO I18000050 SI18-C5 PNP NC H
SELET傳感器K14G18PO
BANNER SMBARPR30
ZIMMER MBPS3004BS1 1300N
Gefran-2019 F006350 PY-2-C-075 0000X000X00
BANNER SGE4-300
WINKEL軸承PR 4.072 P
ILME ILCCFJD 3.0-M
"ELEKTROGAS (DELTA
ELEKTROGAS)" VMR1P ELECTROV.VMR1 1/2`NC 220V C/RE
DL2D3111020/FL FG4925 MGMG2S121243010
TECSIS P3276M064004
MD MICRODETECTORS MDI63G 2134
Eaton Moeller 197615 DILMT12(24V50/60HZ)
LEUZE 50123342 CML730i-R20-2710.A/D3-M12
Eaton Moeller C14M16S CYL AM 14,3X51 16A/STR
CASAPPA FP20.20-LGE/GD/20.14-LGE/GD D
BANNER Q45VR2DXQ
HPI P1CBN3040HA2012HA2012HL20C04N
CASAPPA 03801575 HDP35.71D0-34S8-LME/MD-61G0-N-A
Otto Ganter GmbH & Co. KG GN852-1400-T2S
UNIVER W1001000035M
BANNER TL50BLY2GR1ALS4C
Gefran-2019 F041212 TPSA-C-4-M-B07C-T-V 2130X000X00
BANNER SMBTASK
OMRON NPS035S-MF1-3-1K1/R88M-K5K020
CASAPPA PLP20.16D0-82E2-LOD/OC-N-EL FS
BANNER T8LRGX7NQPMA
LUTZE TYPE MPS-8H 710100
FINDER繼電器223400241640
SELET傳感器K0132NOC5
OMRON NB5Q-TW01B
SCHNEIDER XS218SAMAL5
M.D. Micro Detectors S.p.A. FERN/0P-0F
Eaton Moeller 5536 T3-7-69/E
SCHNEIDER ZB5AK1433C0
Pr Electronic 9116B1 Convertitore universale Ingresso Ex universale, uscitamA, 1 uscita rele SPST, SIL 2, isolato, 1 canale 24 VDC
Gefran-2019 F025371 TC1M-A-1-J-6-C-B 020X000X00100XX
UNIVER S1011500700M
CASAPPA 03702646 HDP30.82D1-05S3-LOG/OF-N
Industrie-Technik DB10MI
DEMAG DSW3TF8633 400V 50 HZ 15KW 45A Coil voltage: 220vac
ARGUS 410010=1TE=DN10=EN854=T
MD MICRODETECTORS MDI58B 2027
CASAPPA FP40.87-06S8-53/30.27 S1/CF8
KTR RUFLEX-4-1TF-∮48-ROTEX75-95ShA
SCHNEIDER XMPE12C2431TQ
BECKHOFF ZK1090-3291-0050
LEUZE 50032047 BCL 21 S M 310
MD MICRODETECTORS MDI63D 1383
BANNER SLSE14-750P8
IPF OG800374
SNR UCPAE210 pillow block bearing
OMRON NYP2C-213C1-12WC1002
LIKA編碼器AS58S12/AI1-10-R/S454 AS58S /S454
SCHNEIDER SPZ6531001
IGUS WSM-1012-10/IGLIDUR
SIEMENS 7KM2112-0BA00-3AA0 電壓表
DUNKERMOTOREN GR 63×55 SNR 88442 07104
BEI編碼器Joint for HS35F-100-R2-SS-1024-ABZC-5V/V-S
Vester PB-30-30/5-P 8002-00000-0102
DOLD安全繼電器55396 SL5880.12 AC50-400HZ 220-240V
SCHNEIDER MTN586414
DOLD安全繼電器61212 HL3096.60/001 DC24V
ELMO DUO-A3/100-AMBA
RIEGLER 120.72
Schneider TSX PSY2600
Gefran-2019 F046111 TK-E-4-E-B04D-H-V 2130X000X00
RELECO CRINT-C115/DC220-240V R
Eaton Moeller 4440 T3-6-8348/XZ
BANNER TL50BLGRCQP
LEUZE 50114213 IS 244PP/44-20E-TB.4
Honsberg KM-020GK030 流量傳感器
SCHNEIDER MTN2354-0344
HPI P1 BAN 2012 BL 10 B02 N C5082895 齒輪泵
BANNER K50ANFF100GXDQ
OMRON A22NN-BPM-URA-G122-NN
RIEGLER 259.55
HYDAC KHB-30SR-1112-01X
E.S.A.M NI-DT4 ser.No:TR0122-16
ZIMMER MK 3502 KB
IPF UT300029
OMRON E5EC-TCX4D5M-004
SELET傳感器B03E84NOC3
OMRON E3S-AD87 CASAPPA 020146A5 PLP20.20S3-54B5-LBE/BC-N-EL BARTEC 07-3323-1400
woertz接線端子30297 OMRON K3MA-J 100-240VAC LEUZE 68025115 MLC511R14-1500.1 中發工業進口備件 SCHNEIDER XS8C4A4PCP20 中發工業進口備件 BECKHOFF ZS7300-B009 小強工控 CARLO GAVAZZI PS21L-NS11L3-H00
FANDIS A12B23MTBW00報價
為此，現在上又開發金屬密封蝶閥，氣蝕區減小，近幾年我國也開發了金屬密封蝶閥，在日本近年來還開發耐氣蝕、低振動、低噪聲的梳齒形蝶閥。一般密封座的壽命在正常情況下，橡膠15年-2年，金屬的8年-9年。進口蝶閥的選型和應用如何正確選用蝶閥則要根據工況要求。蝶閥的開度與流量之間的關系，基本上呈線性比例變化。如果用于控制流量，其流量特性與配管的流阻也有密切關系，如兩條管道安裝閥門口徑、形式等全相同，而管道損失系數不同，閥門的流量差別也會很大。
