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A16B-2201-0311
A16B-2201-0311
◆ 淤积失效:当阀静止并有压力时在阀芯与阀套之间出现淤积。比半径间隙大的一些颗粒被该环形间隙滤掉。随着污染物的聚积,它们使始动摩擦和静摩擦加大。响应时间拖长;该阀可能变得不稳定并有一个很宽的滞环。在严重的场合,该阀可能变得卡涩而无法操作。(加大阀的正遮盖则提高淤积和卡涩的概率。)部分堵塞的LCF会使得阀响应变的迟钝,系统性能下降(即速度迟缓、定位精度差);在LCF严重堵塞的情下,由于缺乏驱动力该阀芯将在阀套中卡住,伺服阀无法操作。
◆ 卡涩失效:阀芯阀套环形缝隙的不均匀淤积会造成严重的侧载荷,侧载荷使得在阀芯与阀套的金属接触表面之间出现微观粘附(冷压接)。中等卡紧引起始动力加大,造成不平稳的阀运动。严重卡涩在某些阀设计中可能引起卡紧失效。
◆ 退化失效:退化失效可能是磨粒磨损、腐蚀、汽蚀、混气、冲刷磨损或表面疲劳的结果。每一种都使系统元件中内泄漏增加,这降低其效率或精度,但这些变化一开始很难被察觉到。终的结果,是造成突发的不可修复性失效。容易引起磨损的颗粒是间隙尺寸的颗粒,它们会落入元件里运动表面之间的关键间隙中。
ot 75 Ansaldo Signal Control Boards IDVI CPU2 MULE etc
GE Portable P-RAD digital x-ray Detector 2393824
MICROHANDLING MP920 Test Head Manipulator agilent V5500
TSI IFA-300 Research Constant Temperature Anemometer
King Nutronics Model 3682 Air Data Calibrator USED 115V
TMS Texture System TMS-2000 by Food Technology 2004
CUSA dissectron portable unit Ultrasonic Aspirator 230v
FogScreen Inia projection screen USED
Ground Penetrating Radar Zond-12e 2 channel No antena
ALCATEL-LUCENT Mobile Wimax Base Station 9710 2.5G
Raychem 8BTV-2-CT Self Regulating Heating Cable $9/M
BROCADE XBR-48000-R0102 FC4-32 48000 32 Port 4G
LASCO Pressure Calibrator Hioki 8806 installed Used
Agilent 355 SCD Detector G6602-64002 230V
SERVOMEX 1800 Oxygen Safe Area Analyzer
Jelight UVO cleaner Model 42-220 Spare
ASML 12NC 4022.474.0856.4 IH Carrier 1400I Wafer Spare
Polytec OFV-071 and OFV-072 for MSV-050/100 Microscope
MAN B&W Diesel MCU Module 3157167-5
Detection Technology X-Scan F2-0.8-410 X-ray subsystem
Nortel UMTS RNC Radio Network Controller SHELF NTW859AF
Agilent 1100 Series Standard Vial Autosampler G1313A
SIEMENS 5000A Air Circuit Breaker 3WL1350-4AS32-1AA2
OKUMA Servo Drive Spindle Drive MIV45-3-V5 1006-2261
Nortel NTNQ24AA One-port DS3 Function Processor
PELCO CM9760-80X4-X CM9760 Matrix Terminating 230V
CoolSNAP Photometrics camera LVDS cable PCI Card
HOMMEL-MOVOMATIC DM205 & Controller 15343.8030 ETAMIC
Lot 14k Ft Raychem 55PC1221-22-2/6-9-F940 Cables $0.45
DL-700E+ Thermal Infrared Camera 384*288 Core protype
Lot 9669 Ft Raychem 55PC1224-24-2/6-9-F940 Cables $0.6
RADVISION SCOPIA videoconference MCU SP 55888-00601
Topcon GTS-722 Total Station USED
Sentech SE400adv-PV Ellipsometer Controller SE400adv-C
Agilent 1200 Series variable wavelength detector G1314B
KANE-MAY Quintox KM9106 FLUE GAS ANALYZER Used
Nortel NTNQ66AA Two-port OC3/STM-1 ATM IP Processor
Alcatel-Lucent LSC16G1X module CRTUAAMCAA
TEACHSPIN Optical Pumping OPI-D OPI-B 220V
YUSHIN Sprue Take out Robot HOP Five 550 & Controller
IPC IQMX TIC2 SIP LINE CARD 403191403
ABB 3BSX107435R1 3BSE040255R2 Cylmate Angel Transducer
ASM SPP-00003 Rev A Control Board by Sumitomo SVC-2
ASM SERVO DRIVER Type: APD20 AC DUAL SD 890 02-15783
MECS CYBEQ UTC100 UTC-100 Robot Controller Refurb Spare
MONSANTO PLC 124502F ALP/B0725 Board ADADC71JD
Lot 130 JPR Sealing Rings FAEG6 84.7139.67 Version D
NORTEL NTHR16GA 56G FABRIC MODULE for Passport
TEST INNOVATION GENE 20A/GACHETTE ATR Robotique Refurb
53033930 Stahlwille STW393N Multipower 20 to 1 Spare
GARMIN GMU44 011-00870-00 tri-axial magnetometer
Alcatel Compact ADM 16 3AL98038AD for 1662 SMC etc
Seica DSP-ANALOG Module PT-ACLAM001-00 Refurbished
Fuji Electric DC-02121 DDC TR285698 Control Board
SYSTEL IPC5232 XEON2.66G/2GB HALLIBURTON License
KOBELCO Welding Robot control board RZG91 Rev-2
Star Diagnosis SDconnect DCDI D3 Multiplexer USED
Lot of 450pcs Xilinx XC4005XL-09VQ100C $7/pc
NORTEL NTHW18BF 6mPKTservSP function processor
IFI Varian Micro GC CP2003 USED
SORVALL Centrifuge H-12000 swinging-bucket rotor
Wipro Infrastructure Hydraulic Cylinder P-5339 P5339
SAM ELECTRONICS DS05-IMB GE3044G205 Sonar Submarine
SAM ELECTRONICS HS04-RSC10T GE3044G201 RSC Signal Card
NERA F77 Transceiver Unit & Modem Unit Repaired Spare
KOPASS JUPITER COMPASS TYP 2060 Northrop Grumman
DLPCinema 1.25-1.45:1 High Brightness Len 108-274101-01
Miranda DVI-RAMP2 DVI to HD/SDI Video Interface USED
NORTEL NTHW08CG MSS 15000 Control Processor CP3 Module
MAGTRON MBSEQ100 DRILL 1800W 230V Spare
Ferraz Shawmut Y075760 D2302GE20C400QF 2000V 400A FUSE
BLUECOAT SG8000-3 PROXY SERVER WEB ACCELERATOR
BLUECOAT SG8000-2 PROXY SERVER WEB ACCELERATOR
Cooper Cleco 67ES285D6 Netsetter Inline Fixed Spindle
Cooper Cleco 67ES285D6 Netsetter Inline Fixed Spindle
IPC Alliance MX DCIC Card
IPC Alliance MX ALIC Card
GUTOR 640-4049A Rev 2 Controller Board 0P0360
DLPCinema 1.45-2.05:1 High Brightness Len 108-335102-01
Cooper Cleco STMHE for TMEM TME Controller Refurbished
Alcatel P8S1-4E 3AL98240AA for 1662SMC
Alcatel P3E3T3 3AL78864AA for 1662SMC etc
Alcatel P63E1 3AL79092AA for 1662 SMC etc
USSI N21260605 IN OUT Board Ansaldo
Fanuc AC Spindle Servo Drive A06B-6044 A20B-0009-0531
Seica circuit tester board PT-DMAST100-00 Refurbished
SAMSUNG SVDR Voyage Data Recorder part ROMU-3000A
Alcatel SERV 3DB02155AA
Wonderware InTouch Development 1000 Tag FS2000/9.0
HAAS BRUSH ROTARY CONTROL F Board 32-3051F 93-1135
Lot 2K Atmel ATA5743P3-TGQY ATA5743 UHF Receiver $1.25p
NORTEL NTHW08CA Mss 15000 Control Processor (cp3) Modul
ALFA LAVAL Decanter Core Controller 6121.1227-01
Nortel Multiservice Switch 15000 SHELF Spare
SIMRAD MC50 Marine Computer 26056010
HP Agilent 5517D Laser Head C16 refurbished
SIEMENS 6AV6381-1BH06-2AX0 SIMATIC WinCC V6.2 8192 TAG
CG171A-T003-05 Reflector Film UX188 etching mould USED
Lot 80 CY7C1414SV18-250BZC CY7C1414 Chips $29/each
Agilent G3431-60531 FID EPC Manifold
PELCO Esprit ES31CBW24-2W-X IOP 24X High Res PAL
VUTEk 3360 Controller Board Assy AA90206 Rev B
Emerson Force PowerCore CPCI-6750/128S-400-L
KLOEHN FLUIDS_MP module 00672-05261/R 50301
FISCHER Coating Thickness Gauge Deltascope FMP30 FKB10
AMAT 0242-28381 0200-02272 0200-02980 0200-02981
Alcatel 3AL97690AA LC-ESC board
lot 520 iKANOS Fusiv IKF68331-A1-PB1-C chips $4/each
lot of 2500 LINEAR LTC1430CS#TR Voltage Regulator chips
Cooper Cleco STMH for TMEM TME Controller Refurbished
MacGREGOR C000071 cabin display Crane Computer CCP XS
Agilent G1888-60704 G1888A Enhanced PM Kit
NORTEL NTHW18BB 6mPKTservSP function processor
BLUECOAT SG8000-1 PROXY SERVER WEB ACCELERATOR
SIEMENS SIVOLT-A-Drehstromsteller 40A 6SG2412-3CA00-Z
Endress+Hauser Turbimax CUS31-W4E
Nortel NTN063FM S18K DDM 900 Filter 190-CY127-F1V5
Repaired Marconi LB16BG Board PLT40 UNPORT TRANS 2.5GB
Thrane & Thrane Sailor TT-3606E Message Terminal
SAM ELECTRONICS HS06-TCU NG3028G201 Board
SAM ELECTRONICS HS10 Pulse Modulator NG3028G206 25KW
NSK HR32060XJ Taper Bearings
Alcatel SWL-B LHR R2.0 FEE License Certificate
ABB Motor M3AA200MLA 4/8 3GAA208207-BDC 220KG inbox
Cooper Cleco 67ES135D4 Netsetter Inline Fixed Spindle
Motorola STARLINE SG2000 Optical Node 415239-333-00
ECS CNC BASIC Controller 080H969 Spare part USED
Alcatel MD128W1 3DB02136AA
Honeywell 24 Beam Light curtain Control FF-LS242806842
Shimadzu GC-14A GAS CHROMATOGRAPH USED SPL FID install
OKUMA Drive Board UCMB2+F A911-2821 E4809-770-144-A
ABB SPAD346C3 SPAD 346 C3 DIFFERENTIAL RELAY PROTECTION
Hypertherm HT2000 041677 129160 Chopper used Spare
Credence LT1101 Voltage Supply Board 671-4014-04 Spare
MAN B&W PMI SYSTEM Pressure Analyzer for 6S50MC-C
Welch Allyn 88042A Colposcope Factory Refurbished Spare
Refurbished ALSTOM STF-DL ANTENNA Ref: 23509 Rev. E
Putzmeister Concrete Axial Piston Pump 067370003
ICHINOSE S-7000 SQC-6 Positioner Control Panel
Intermec IF5UD12380400014 IF5 RFID Reader
PELCO SD4CBW-PG-E1-X Spectra IV Camera
ARUBA 651 Branch Office Controller no box
BLUECOAT 8000-1 PROXY SERVER WEB ACCELERATOR 080-03103
Motorola SGLF4136FA JCDMA Broadband XCVR 1X CARD
TE-W Thermal Infrared Camera 160*120 core protype
Cisco Unified Communications Manager CM6.1U4-K9-UPG=
MKS Baratron 220DD Differential Capacitance Manometer
Alcatel-Lucent O-24120G-A 3FE51185AB 7342 ISAM FTTU MDU