05287300/A
日期:2018-8-23大气环境及机组状况对风侧换热器表面结霜的影响,以及结霜对机组性能产生的影响是一种多维、非线性的关系。采用模糊控制的原理进行除霜控制,将判别翅片管表面结霜状况的参数分为外界条件对结霜的影响和结霜对机组性能的影响两类,对输入量进行模糊化,模糊推量,综合判断是否需要除霜,并在除霜的过程中通过对系统响应的分析,判断上一个除霜信号的发出是否正确,在此基础上调整除霜控制规则,用自调整模糊控制的方法实现智能除霜控制,将使除霜控制方式得到本质的改进。
变频技术的使用。以小型风冷式冷热水机组为冷热源的小型中央空调系统在运行中遇到的一个问题是变工况调节问题,当室内仅有一部分末端装置工作时,主机需进行能量调节。对于几台压缩机工作的系统,可通过开停机的方法来进行能量调节,但调节能力也受到限制,对于单台压缩机的系统,则缺乏能量调节能力。解决以上问题最好的方法是采用变频压缩机,这样可根据用户的需要,调节机组的制冷量或制热量。变频压缩机系统除可实现较宽范围的能量调节,还有低电压起动、节能、除霜性能好等特点,但变频压缩机的使用应结合电子膨胀阀的应用,采用调速风机并配以相应的控制方法,才能充分发挥其优势。
电压矢量控制电压矢量控制是变频器根据转矩电流和定子阻抗,自动修正压频特性,以补偿定子内阻压降。一般,小容量变频器的补偿值是根据定子阻抗和激磁电流来计算;大中容量变频器的补偿则根据定子阻抗和功率因数值来计算。这些参数可以人工输入设定,也可设定为变频器自动测量。
在现场,建议采用变频器自动测量。由于电机温升对定子电阻有影响,测量最好在启动时进行。采用电压矢量控制,电机在1Hz时即可输出150%的额定转矩。变频器的加速时间是指输出频率从零上升到工作频率的时间,也就是电机从启动、加速到设定转速的时间,它可以由下式计算:tqg=GD2ng375式中:MD为电机加速力矩Me,Me为额定转矩,MJ为负载的静态阻转矩将tqg折算到从零升到额定转速ned的时间。tqetqe=nedngtqg变频器的启动时间应设定,而且应考虑到如果计算出的tqe值过小,变频器会因过电流而启动保护电路,使设备停止工作。
减速时间是指频率由50Hz降为0Hz时所需要的时间,即电机由额定转速降至零转速所需要的时间。可由下式计算:tzg=GD2ng375式中:Mz为电机制动力矩,Me将tzg折算为从额定转速ned降至零需要的时间tzetze=nedngtzg变频器的制动时间设定应比tze长,否则易出现直流制动过压保护。在配料生产过程中,还应考虑加减速时间、配料精度对变速给料设备的要求,在上式计算的时间范围内现场调节,确保既缩短配料时间,又不影响配料精度。
变频器在实际应用中,要考虑与电动机要求的转速变化范围相匹配的问题,特别在超速和低速运行时应十分关注。为加快生产节奏,要求电机在超过额定转速条件下运行。通用电机的超速性为120%,额定转速2分钟,因此变频器驱动通用电机的最大允许频率为62Hz,超过额定转速,电机会出现以下问题:转子及附属部件强度下降;铁损及机械损耗增加,电机温度升高;噪声及振动增大。对于两极电机,在工频下,转速已较高,不宜超过50Hz运行。
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【主营产品】
1:Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数据通信及处理等。
2:Invensys Triconex: 冗余容错控制系统、基于三重模件冗余(TMR)结构的最现代化的容错控制器。
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5:Schneider Modicon(施耐德莫迪康):Quantum 140系列处理器、控制卡、电源模块等。
6:ABB:工业机器人备件DSQC系列、Bailey INFI 90等。
7:Siemens(西门子):Siemens MOORE, Siemens Simatic C1,Siemens数控系统等。
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13:Woodward(伍德沃德):SPC阀位控制器、PEAK150数字控制器。
14:工业机器人系统备件。
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NEW OLD STOCK UNITED ELECTRIC VACUUM SWITCH H402-S126B -1 TO 0MBAR 30" TO 0
GUARANTEED GOOD SIEB & MEYER PC CONTROL BOARD 21.45.02AD
NEW IN BOX CARR LANE ROEMHELD 1895604 HYDRAULIC SWING CLAMP CLR-1895-604-SCD
NEW IN BOX CARR LANE ROEMHELD HYDRAULIC SWING CLAMP CLR-1895-504-SCD 1895504
NEW - SEALED IN THE BOX! IMF EFFECTOR PRESSURE SENSOR PI2696
NOS! ALLEN-BRADLEY MULTIPLEXED INTERFACE BOARD 50316
NEW OLD STOCK PARKER HYDRAULIC FLOW CONTROL CHECK VALVE PCCM1020S 3000PSI
NEW OLD STOCK! NORTON HYDRAULIC DOOR CLOSER 4UB40
GUARANTEED GOOD ! ALLEN-BRADLEY 110/120V MOTOR STARTER 505-T0XD-103
NEW OLD STOCK! GE FANUC INPUT MODULE IC693MDL645F
NEW FESTO DUAL PNEUMATIC CYLINDER DP2-32-40-PA 145PSI
NEW OLD STOCK GE GENERAL ELECTRIC ALARM MODULE CIRCUIT BOARD IC3650SPUA2C
BOX OF 10 NEW SYLVANIA QUICKTRONIC 4-LAMP BALLASTS 4X54T5HO/347-480 PSN HT SCL
NEW OLD STOCK! ELECTROMATIC S-SYSTEM LIQUIDS LEVEL RELAY SV-115-120 SV115120
GUARANTEED! GENERAL ELECTRIC 600VAC MAGNETIC REVERSING CONTROL CR109B0
NEW OLD STOCK CUTLER-HAMMER 100A NEMA SZ. 3 OVERLOAD RELAY C301EN3
NOS! IN BOX ROSEMOUNT SENSOR 01154-0004-342 0115403000342 2599473
NOS! IN BOX EMERSON ROSEMOUNT SENSOR 01151-0011-0032 7492014 TYPE-DP/GP RANGE=3
NEW FESTO VALVE TERMINAL CPV18-GE-FB-4 18201
NEW OLD STOCK! ROLLWAY ROLLER BEARING D-214-38 0420660 W214
REFURBBED GUARANTEED GONGJI 40:1 GEARBOX TKAS60-L PEI-EI B-M10 24V 15W 90DAY WAR
GUARANTEED! TROY AC MAGNETIC BRAKE MOTOR 40W 9R40P-2M
NEW MOORE INDUSTRIES LIT LINEAR INTEGRATOR LIT/4-20MA/B/117AC
NOS! SPRECHER SCHUH ECOMBOPLUS CK7 STARTER CK7-9D-10-24DD-AS2.5A-A11
NOS! SPRECHER SCHUH ECOMBOPLUS CK7 STARTER CK7-9D-10-24DD-AS1.6A-A11
GUARANTEED! ALLEN-BRADLEY 2HP 480V AC DRIVE 20AD3P4A0AYNNNC0 SER.A POWERFLEX 70
NOS! BOSCH 4600PSI 110/115V DIRECTIONAL CONTROL VALVE 9810231018
NEW IN BOX MARTIN 8-GROOVE PULLEY SHEAVE 8-5V-800-TB 3030 3-7/8" BORE
NEW OLD STOCK! SIEMENS-ALLIS 100 AMP 2.4/4.8VAC CURRENT LIMITING FUSE 48FM3R-4
NEW TAYLOR 0-18 PSIG SQUEEZE PUMP PRESSURE CALIBRATOR W/ CASE 44S390 7115P-18
GUARANTEED! ULTRA-SAFE 1"X8' 900LB MAX RETRACTABLE LIFELINE US-HPS US-HPS8
NEW IN BOX INPRO / SEAL BEARING ISOLATOR 1700-A-01792-0 SHAFT: 9 BORE: 10
NEW OLD STOCK NUMATICS PNEUMATIC SOLENOID CONTROL VALVE 358 4DSA034SB 570
NEW UN INGERSOLL BALLSCREW 803-0043-49-00 SO-107621-001
GUARANTEED GOOD ! THAYER INTEGRATED CIRCUIT BOARD B-61679B
NEW OLD STOCK! SKF SPHERICAL ROLLER BEARING 22313-E/C3
GUARANTEED! CINCINNATI F21-F-1000-30-30 SENTINAL F-21 MASS FLOW INSTRUMENT PANEL
GUARANTEED! CINCINNATI F21-F-1000-30-30 SENTINEL F-21 MASS FLOW CONTROL BOARDS
GUARANTEED BARBER-COLMAN TEMPERATURE CONTROL 2208E/CC/VH/LH/XX/RC/RR/2YR/XXX
GUARANTEED! ELECTRO CAM CONTROL BOARD EC-3012-10-ADO EC301210ADO
NEW IMI NORGREN BUSCHJOST 24V SOLENOID VALVE 8212600.8001
NEW OLD STOCK! BLACK BOX SERIAL INTERFACE CARD / BOARD IC057C FLOPPIES
GUARANTEED! ALLEN-BRADLEY STRATIX 8000 ETHERNET MANAGED SWITCH 1783-MX08T WARR!
NEW BALDOR RELIANCE .5HP 230/460V AC SUPER-E MOTOR VEM31107 / 34F012S937G1
GUARANTEED GOOD ! ARO FLUID REGULATOR 27520
NEW CARR LANE ROEMHELD 1895604 HYDRAULIC SWING CLAMP CLR-1895-604-SCD
GUARANTEED GOOD!! MITSUBISHI COMPUTER LINK MODULE A1SJ71C24-R4
GUARANTEED GOOD!! MITSUBISHI DATA LINK MODULE A1SJ71T21B
GIDDINGS & LEWIS SHUGART KEARNEY TRECKER DRIVE BOARD 1-2100302 26048-2-3358-9-4
GIDDINGS & LEWIS SHUGART KEARNEY TRECKER DRIVE BOARD 1-2100302 26058-6-3827-24-4
NEW! SIEMENS ANTENNA CABLE ANT 18 MOBY E 6GT2398-1CA00
GUARANTEED! VESDA VLP-400 LASERPLUS SMOKE DETECTOR HEAD TERMINATION CARD HT03412
NEW DAYTON 1/2HP WAS DOWN MOTOR 5M285 3450 RPM
NEW OLD STOCK VISHAY BLH 10LB LOAD CELL T3P1
1 NEW ROLL GORTRAC WIRE WAY FLEX TRACK HOSE MACHINE 500 #68237
NEW GEORGE FISHER SIGNET DRYLOC PH/ORP AMP IN-L S3L SENSOR 159-000-744 5905-273
NEW IN BOX! GEORGE FISCHER ROTOR-X FLOW SENSOR P51530P0
NEW IN BOX! GEORGE FISCHER PH ELECTRODE SENSOR 3-2724-00 159001545
NEW OLD STOCK! KEYENCE THRU BEAM PHOTO ELECTRIC SENSOR LX2-11T
NOS! UN HOMMEL ETAMIC GUAGING TRANSDUCER ZDB-1003 ZDB1003 E339412/022
NEW OLD STOCK BALDOR RELIANCE HAZ. LOCATION MOTOR CA991138 / 35S113-008561 .43HP
GUARANTEED! GOOD ROSEMOUNT PRESSURE TRANSMITTER 1151GP4E12B1
SEALED IN STATIC BAG NOS! CTI OUTPUT MODULE RCM-2030 RCM2030
NOS! POTTER & BRUMFIELD 10A 240VAC 1.8-180SEC TIME DELAY RELAY CRB-48-70180
LOT OF (5) NEW OLD STOCK! SQUARE D 15AMP 600V SNAP SWITCHES 9007-AB1-S2
NEW OLD STOCK! KEYENCE GT HIGH PRECISION CONTACT SENSOR GT-H10
NOS! BENTLY NEVADA PC BOARD PWA72302-01 72301-01-04-02-03-01-15 PWB72303-01
NEW OLD STOCK! GE 1725RPM 230/460V INDUSTRIAL MOTOR 5KE48WN8200A 114C957DA1BB9A
NOS! FASCO HVAC SPLIT CAP MOTOR D977 7126-1334 U26B1 277V 1075RPM 3SPD 60HZ
LOT OF (3) NEW IN BOX! LITTELFUSE 200A TIME-DELAY FUSES LLSRK-200-ID
LOT OF (3) GUARANTEED! SIBA 400A 1100V SQB2 SEMICONDUCTOR FUSES 2003428.400
NEW IN BOX! ABB 3P 24VDC CONTACTOR AE26-30-11-81
(80) NEW ALLEN-BRADLEY SWITCH / PILOT LIGHT LENS CAPS 800T-N40 N41 N42 N43 N44
NEW SPRECHER+SCHUH 100A CONTACTOR CA7-85-10-120 CA7-85-00
NEW OLD STOCK! N-TRON MEDIA CONVERTER 302MC-ST
NEW OLD STOCK! GATES SUPER HC POWERBAND BELT 4/5V1180 9386-4118
NEW OLD STOCK! K TRON POWER SUPPLY BOARD 510094
GUARANTEED! GOOD MEASUREX MULTI-BUS SERIAL CONTROLLER BOARD 05345001
GUARANTEED! GOOD MEASUREX PIP TERMINATION BOARD 04349500
NEW IN BOX! A.O. SMITH 3/4HP REVERSIBLE 1075RPM MOTOR 791A F48Z18A01 460V 2.5A
NEW OLD STOCK! HUMPHREY 3-WAY SOLENOID VALVE 501E1-3-102036-120
3 BOXES OF 10 (30) NEW LEGRAND 6A CARTRIDGE FUSES CEI 269 2-NFC 63210 130-06-6-A
LOT (3) NEW UNNUMATICS SOLENOID VALVES I12BA400RP61C61 14.5-232PSIG 24VDC
NEW OLD STOCK! ASCO 3/8" TWO WAY SOLENOID VALVE 8266D101V
NEW IN BOX! ALLEN-BRADLEY SER. A INPUT MODULE 1746-NI4
GOOD ROSEMOUNT PEERWAY TAP A CABLE GROUNDING 01984-0488-0001 0198404880001
GOOD ROSEMOUNT PEERWAY TAP B CABLE GROUNDING 01984-0489-0001 0198404890001
LOT OF (2) NEW OLD STOCK! NORTH CLASS 0 LINEMENS GLOVES SIZE 11 & 11-1/2 E010B
GUARANTEED! GOOD ABB PC DRIVE BOARD 57619104E
NEW TAKE OUT DIAGRAPH LABELER MAIN CPU BOARD 6145-300 REV.B S300-00117
NOS! EATON / DYNAMATIC ISOLATOR CARD 15-569-110 15569110
GOOD ! ROSEMOUNT CONTACT MARSHALLING PANEL 01984-2459-0001 01984-2454-0001
SEALED IN STATIC BAG NOS! UNK SERIAL I/O BOARD 35704-104-96 3570410496
NOS! WIEGMANN, RITE HITE, HD 2000 SERIES HYDROULIC DOCK LEVELER, #54149
GUARANTEED GOOD GE 125 AMP 230 VOLT DC CONTACTOR COIL IC28001617-BA503H
NEW OLD STOCK GE GENERAL ELECTRIC AUXILLARY RELAY 12HFA151A8H 240V 60A
NOS! VICKERS DIRCTIONAL CONTROL VALVE DG4V-3S-2A-P2-M-FTWL-B5-60
GUARANTEED! VESDA VLP-400 LASERPLUS SMOKE DETECTOR SENSOR AO03417
NEW UN CODA GEAR REDUCER MRS-50R/1.9 0.12kW 6.98 daNm 1.9RPM 736:1 RATIO
NOS! DODGE 350 TIGEAR GEAR REDUCER 2.7HP 2311 INLB TQ
NEW AO A.O.SMITH 1.5HP 1725RPM MOTOR H1014L 7-P56AC12A01-01 208-230/460V
GUARANTEED GOOD ! VALMET METSO NELES AIU-1 OUTPUT MODULE A413120 M1
GUARANTEED GOOD ! VALMET METSO NELES BOU-84 BIANARY OUTPUT MODULE A413154 03
GUARANTEED GOOD WESTINGHOUSE 150A 600V CIRCUIT BREAKER MCP431550RCX 2607D80G11
NOS! LIGHTNIN MIXER 94Q15 GEAR CHANGE REPAIR KIT 600984-PSP
NEW NO BOX! SIEMENS 6ES7-144-1JB31-0XB0 SIMATIC ANALOG MODULE 6ES71441JB310XB0
NEW HUBBELL COMPACT WIDE BEAM FLOODLIGHT F100H1 100W
GUARANTEED BRISTOL BABCOCK TELE-RTU PLUS 3530-25B-010211100000 BOARD 392919-01-0
NEW OLD STOCK IN BOX ITT JABSCO SELF-PRIMING CENTRIFUGAL PUMP 1/2"NPT 4560-0003
NEW OLD STOCK ANDERSON INSTRUMENT 0-100 PSIG PRESSURE TRANSMITTER TPP01212311G00
NEW OLD STOCK DREXELBROOK ZTRON LIQUID LEVEL TRANSMITTER SWITCH 402-3020-001
NEW IN PACKAGE AI-TEK PASSIVE SPEED SENSOR 70085-1010-411
NEW OLD STOCK KOP-FLEX NON-LUBRICATED FLEXIBLE DISC COUPLING 254-KD-HTDP
NEW OLD STOCK GATES POWERGRIP TIMING BELT 980-XH-400 980XH400
NEW FACTORY SEALED BALLUFF ID SYSTEM PREAMPLIFIER BIS-C-901-U1 01310 009021
GUARANTEED GOOD KILLARK METAL HAILDE LIGHT FIXTURE EZP320 W/GARD - NO LAMP
GUARANTEED GOOD KILLARK METAL HAILDE LIGHT FIXTURE EZP320 WITH LAMP
NEW UN FANUC I/O MODULE A03B-0819-C053
NEW IN BOX! ABB 3P 100-250V CONTACTOR AF110-30-11 1SFL457001R7011
UN ROLL OF INTRALOX SERIES 900 FLAT TOP GREY CONVEYOR BELT 8"X25.894'
NEW OLD STOCK! EATON CUTLER-HAMMER M6 FRAME SV9000 ADAPTER BOARD CB00007-5030
NEW OLD STOCK PARKER PNEUMATIC SOLENOID VALVE L6753810253 / K175803553 / K022091
GUARANTEED! NIHON SEIKI SHOCKLESS STOPPER CYLINDER BN-6045B-3 Z-6105 50-30 NOROD
NEW OLD STOCK PARKER 150PSIG PNEUMATIC SOLENOID VALVE 4530BS30ABAE53 P83544-003
NEW FESTO PNEUMATIC VALVE VL-5/3G-3/4-D4
NEW IN OEM PACKAGING PHOENIX CONTACT QUINT-DC-UPS/24DC/20 POWER SUPPLY
NEW! KUNKLE 1-1/2" PRESSURE RELIEF VALVE 6010HGM01-LM-0200 200PSIG
GUARANTEED LAB-VOLT REPULSION-INDUCTION MOTOR EMS-8255 EMS 8255 1/4HP 1570RPM
NOS! LITTLE GIANT TECUMSEH MAGNETIC DRIVE PUMP TE-4-MD-SC 220/240V 7162-0911
NEW OLD STOCK! TRANS-POWER 1HP 3-PHASE INVERTER DUTY MOTOR TPE1R12CIC145T
NEW OLD STOCK GOULD SHAWMUT 2500A AMP-TRAP CURRENT LIMITING FUSE A4BY2500
GOOD HOMATIC HOMAG PC CONTROLLER BOARD 2-083-01-5053 0-220-42-9573
NEW OLD STOCK! FANUC MEMORY MODULE A20B-2902-0193/U2A
GUARANTEED GOOD ! AMETEK RIS SLIDEWIRE TRANSMITTER SC-1300R-R3-A1-H1-N1
NEW TELEMECANIQUE REVERSING CONTACTOR LP2-D2501BD 15HP
LOT OF (2) NEW OLD STOCK! MICRO-SWITCH PHOTOELECTRIC SENSORS MHP-D2AL
NEW REXROTH HYDRAULIC VALVE 4WE-6-Y53/AG24NZ45 WITH Z4WEH-10-E63-41/6AG24NETZ45
NEW OLD STOCK! PARKER SPORLAN SOLENOID VALVE ME25S290-HP
NEW OLD STOCK IN BOX PARKER PCM1020S HYDRAULIC FLOW CONTROL VALVE 3000-PSI 57GPM
NEW OLD STOCK EATON CUTLER-HAMMER 250A MAGNETIC TRIP UNIT KT3250T / 1492D90G17
NOS! IN BOX SQUARE D DASHPOT MAGNETIC CURRENT RELAY 9055-AO-125R OPEN TYPE
NEW! GOODYEAR FALCON HTC BELT 14GTR-1190-68 NEW IN THE BOX 1190MMX68MM
NEW OLD STOCK UE UNITED ELECTRIC TEMP TEMPERATURE SWITCH CONTROLLER 0-250F
NEW OLD STOCK! LEESON 1HP 1725RPM 208-230V 60HZ MOTOR C6T17FR1C
NEW OLD STOCK! ITT DIAGRAPH COMMUNICATION BOARD KIT 61607808 FOR PA/500LT
NEW RELIANCE ELECTRIC CONTACT KIT 608833-1S
GUARANTEED! SIEMENS I/O ANALOG INTERFACE BOARD C8451-A12-A11 SMP-E201-A1
NEW OLD STOCK! MARTIN 14" 2 GROOVE HI-CAP QD SHEAVE 2-5V-1400-SF
NEW OLD STOCK TRIBOGUARD I 4001 DUST EMISSION DETECTOR W/ 6" PROBE & CLAMP
NEW OLD STOCK! ALLEN-BRADLEY 10A 2-POLE ROTARY PILOT DRUM SWITCH 806-A22A
REFURBBED! VICKERS DIRECTIONAL CONTROL VALVE DG4V-3S-6C-M-FPA5WL-B5-60
FANUC FIELD PROCESSOR MODULE IC670MFP100-BB SEE DETAILS FOR CONDITION
GUARANTEED GOOD!! MITSUBISHI A/D/A/ CONVERTER UNIT MODULE A1S63ADA
MANUFACTURER REFURBISHED GE FANUC LOGIC CONTROL MODULE IC600-CB502L IC600CB502L
GUARANTEED! GOOD DRISTEEM CONTROL BOARD 408640
NEW OLD STOCK! GRACO SERVICE KIT D03211
NEW OLD STOCK! GRACO 307 DIAPHRAGM PUMP SERVICE KIT D03211
LOT OF (56) GUARANTEED! GOOD WEIDMULLER 6.3 AMP TERMINAL FUSE BLOCKS ASK-1
GUARANTEED! GOOD STI MINISAFE CURTAIN CONTROL SYSTEM ENCLOSURE MS4400B-2
GUARANTEED! HONEYWELL MEASUREX HLAIP TERMINATION CARD BOARD 053609-00 B
NIB! EATON CUTLER-HAMMER 110/120V COIL SIZE 0 REVERSING STARTER A200M0CAC
NOS! GENERAL ELECTRIC / GE INDUSTRIAL RELAY CR120AD03148AA 10AMP 300V 3NO 1NC
GUARANTEED GOOD ! ABB I/P NUMISMATIC CONVERTER PXA45-2015
NOS! HONEYWELL A/D CONVERTER BOARD 30752387 30752387-501 30752387501
NOS! VIDEOJET LOGIC PROCESSOR BOARD 343605
NEW OLD STOCK! REXNORD LINK-BELT PILLOW BLOCK BEARING EPB22423H 1-7/16 C/FN
LOT OF (3) GUARANTEED! SIBA 700A 900V SQB-DC93 SEMICONDUCTOR FUSES 9033021.700
NOS! S.F. / SUREFLOW EQUIPMENT DUAL DOOR WATER VALVE CD125 403N-CF8M SW-0112
NOS! MTL / MEASUREMENT TECHNOLOGY MODULE A9210-00DI-1 A921000DI1
NEW OLD STOCK! RED LION VEEDER ROOT MODULE 150441
LOT 2 NOS! DRS TECHNOLOGIES / MIL-SPEC COVER PLATES 122914-1 5826010343328
NEW OLD STOCK! SICK PROXIMITY POTENTIOMETER WT18-3N430
NEW TAKE OUT! AUTOMATION DIRECT INPUT CARD F2-04RTD
SEALED IN BOX! PHOENIX CONTACT POWER SUPPLY QUINT-PS-100-240AC/24DC/10
NOS! MTS TEMPOSONICS LINEAR POSITION SENSOR RPV0110URG01A01 R103613-1
NOS! GENERAL ELECTRIC LIQUID SIGHT INDICATOR 748C567-1368972 6680011429794
NOS! WATERS / MILLIPORE CONTROL BOARD M710B 72693
NEW OLD STOCK! GE 201 HOOD UNIT PACK W/ LUCALOX CLEAR LAMP SAM15SL
NEW OLD STOCK! McKINSTRY INC DUST/DRIP TIGHT INDUSTRIAL ENCLOSURE 55-302420LP
GUARANTEED GOOD ! AES ENGINEERED SYSTEMS CIRCUIT BOARD EA3001
NEW IN BOX! BARKSDALE PRESSURE VACUUM SWITCH D2T-A150SS-UL
NEW OLD STOCK! KROHNE ALTOMETER FLOW-METER SC-100A
NOS! AO SMITH 1HP ELECTRIC MOTOR H1010 7-193070-02 SC J56C
NOS! WESTINGHOUSE 1/3HP 1075RPM 277V THERMALLY PROTECTED MOTOR 323P541
NOS! GE 1/2HP 460V 1725 RPM 3 PHASE MOTOR K284 5K42HN4128
NOS! WATLOW TEMPERATURE CONTROLLER 988L-20DD-AARR 988L20DDAARR
NEW IN BOX! COOPER LIGHTING LIGHT HOUSING MHNK-Y76-400-MT-PER-SC-1N006
NEW OLD STOCK! INTERFACE FORCE TRANSDUCER SSB-AJ-100
NOS! ABACUS VALVES / SPIRAX BUTTERFLY VALVE 6014393-0/SDCV4 C8442
NEW! WESTLOCK CONTROLS ICOT 5000 RETROFIT KIT 193 195316 EL-40216-094
NEW OLD STOCK! CAL CONTROLS 100-240V DIGITAL DISPLAY CONTROLLER 941100000 9411
GUARANTEED GOOD ! GE 1.5-1/2HP 200/230V 1725/1140RPM 5K48UN3056 K520
GUARANTEED GOOD ! ALLEN-BRADLEY INPUT MODUEL 1771-IR-B
GUARANTEED GOOD ! ALLEN-BRADLEY REVERSING STARTER 110/120V COIL 505-TOXD-101
GUARANTEED GOOD ! DAYTON 1HP 1725RPM 3 PHASE INDUSTRIAL MOTOR 3N017J
NOS! FESTO PNEUMATIC CYLINDER ADNM-100-A-P-A-234Z1-300Z2 145PSI 10BAR 4-1/2"BORE
NEW IN BOX! LAUREL ELECTRONICS DIGITAL PANEL METER L10000P
NEW IN BOX! FLOWSERVE PMV FEEDBACK UNIT F5-MEC-420
NEW OLD STOCK! NEO-DYN 5-75PSIG ADJUSTABLE PRESSURE SWITCH 100P51C5
NEW OLD STOCK! REXNORD OMEGA HD FLEX COUPLING 7300035HSU
GUARANTEED GOOD ! SCHLAFHORST CIRCUIT BOARD 418-016-A107-2
NOS! LIQUID SOLIDS CONTROL BOARD 725430 PC11 REV B
NEW OLD STOCK! MARSH I/P 4-20 MA 3-15 PSI PRESSURE TRANSDUCER 961070000
NEW UN SKF CYLINDRICAL ROLLER BEARING NUP-2312-ECP
GUARANTEED GOOD ! WESTINGHOUSE 2-POLE 60A 600VAC CIRCUIT BREAKER HFB2060
NOS IN BOX! FASCO HVAC SPLIT CAP MOTOR D976 7126-1333 U26B1 277V 1075RPM
NEW OLD STOCK! SMC MANIFOLD REGULATOR ARM11AB1-688-AZ
NOS! KUNKLE 3/4" RELIEF VALVE 6010ED01-AM0015 6010ED01AM0015 6010ED01-AM
GUARANTEED GOOD ! WEIDMULLER K-TRON CIRCUIT BOARD 9184-30760-A
GUARANTEED GOOD KILLARK METAL HAILDE LIGHT FIXTURE EZP320 - NO LAMP
13 TUBES LOCKTITE SI 598 BLACK SILICONE GASKET MAKER 59875
NOS! KAYE INSTRUMENTS CHANNEL ACCESS MODULE B0930-F2 B0930F2
NEW UN STANDARD BEARING 70MM METRIC REMOVAL SLEEVE AHX2315X70MM
NEW OLD STOCK! BALDOR .75HP 1140RPM 208-230/460V ELECTRIC MOTOR M3543T
LOT OF 19 NEW NATIONAL CARBON SPLIT MOTOR BRUSHES DX T566 2.375"X1.5"X.75"
GUARANTEED GOOD! GENERAL SIGNAL EST AUDIO AMPLIFIER MODULE 3-ZA30
NEW IN BOX MESCON SUPER SMART PANEL METER S2PM-2000-2-1-0-0-1-(4-20)mA-2-0
NEW OLD STOCK! LEESON 1HP 1140RPM AC MOTOR 113933 C6T11FB13C
GUARANTEED! GOOD NOBEL ELEKTRONIK RAG DISPLACEMENT TRANSDUCER 1-132-331
SEALED NOS! QWINT MOTOR DRIVER BOARD 3-31024-01 31024-104 31024104 33102401
NOS! PUNOS ELEKTRONIK MOTOR DRIVE BOARD SMD5DC 24 VOLT 5 AMP
GUARANTEED! GOOD NELES PNEUMATIC VALVE POSITIONER NP-624
LOT OF (4) GUARANTEED! GOOD ALLEN-BRADLEY PHOTOELECTRIC SENSORS 42SRL-6006