新聞德國Georgii Kobold KOD444-A/S51廠家進口
后果：水質達不到管道系統運行要求，往往還會造成管道截面減少或堵塞。措施：用系統內大設汁流量或不應小于3m／s的水流速度進行沖洗。應以排出口水色、透明度與入口水的水色、透明度目測一致為合格。禁忌14：冬期施工在負溫度下進行水壓試驗。后果：由于水壓試驗時管內很快結冰，使管凍壞。措施：盡量在冬施前進行水壓試驗，并且試壓后要將水吹凈，特別是閥門內的水必須清除于凈，否則閥門將會凍裂。工程必須在冬季進行水壓試驗時，要保持室內正溫度下進行，試壓后要將水吹凈。
GEMU R69015D331143
RIEGLER 252.101-ES
SCHNEIDER A9D53640
LIKA編碼器CK58-H-100ZCU415RL3 100PPR-L3MT RAD
hydac HDA 3840-A-500-124(6m) 壓力變送器
UNIVER K2000320280
BK MIKRO 6204308
MD MICRODETECTORS MDI40A 661
Gefran-2019 F005428 TC-K1M-C-R 2130X000X00
Sovem S.r.l. IE2 YE2-180M4-4 電機2
BECKHOFF ZK7102-0700-A050
SCHNEIDER XACA6813
NILOS RING 7305JVG 密封件
LEUZE ELECTRONIC P.O-BOX 1111,73277,Owen/Teck，BPS 34 S M 100,50038007,Aug,2011,10-30VDC
BANNER Q45VR2LP W/30
RIEGLER 31 B
EA ZE311063
HYDAC Diff.Mano.DS1103VWYYB1YT00D0203 639586 1.6bar 1.4kg 25bar IP55
SCHNEIDER LC2D093BD
SCHNEIDER ENN34271
OMRON E5AC-QX4D5M-000
ATOS JPQ-222
BANNER D10AFPY W/30
LEUZE 68020307 MLC500T30-750G
FAULHABER電機1628T024B 081792
VESTA電磁閥E32W2S018
Rechner KXS-M8/25 感應傳感器
VIPA 214-1BC03
SCHNEIDER LV848450
BURKERT W2XML 147784 WWC 閥體型號為:0450 H 14.0 G1/2 PN1-10Bar 24v AC/DC MAX 4W S/N 1017 00162153
SCHNEIDER MGU66.104.2M3
UNIVER KE2000320040M
BURKERT 0330C2.0NBRMSNPT1/4 PN0-16bar 24VDC 8W
CASAPPA 67054094 PLP20.16-03S1-LOF/OC/20.11,2-L/OC-S7 D/FS-EL-N AV (SCM)
fasco industries inc TYPE:U8B1 blower NO.7108-6984
Haselhofer Feinmechanik GmbH KN-Schubantrieb SBA06-1
SCHNEIDER ZB5FK1213
PROMINENT VAMD04120PVT010S3B0
BECKHOFF C9900-E945
ELETTROTEC IFE4R24 G1/2
小強工控 CARLO GAVAZZI PS21M-CT11P0-M0L
OMRON 300-603403-10X
SCHNEIDER XDAY5001
MD MICRODETECTORS MDI63A 960
SELET傳感器ST01
SCHNEIDER LUCCX6B
bach-messtechnik BSW92 with 5M cable,ART-NR.87192(Gewindeloch M8x15) 振動傳感器
UNIVER RP2100250010
EUCHNER GmbH NZ1RS-3131-M，Nr：089631
UNIVER K2000630550M
Gefran-2019 F051860 RK-2-1250-E 0000X000X00X0XX
AECO I12000089 SI12-CE4 NPN NO K
SCHNEIDER XAPM34H29
LAPPORT Ident-Nr. 100267 FORM 9010 10x5x150
CASAPPA 02004300 PLP20.8S0-54B5-LBE/BC-N
Gefran-2019 F031827 AR6-B-2-B-F-C-J-D-1 000X000X00100AX
Rittal 4127.01
MD MICRODETECTORS MDI58G 451
KOBOLD VKM-8112C4PR25R
小強工控 CARLO GAVAZZI REC3B48A20GKE
SASSATELLI 404210
norelem Normelemente KG 02010-061
JUMO TYP:ATH-70 603021/70
CW540008 DM3403021-05/12-G KA681028
VIVOIL齒輪泵X2R4307FRRF
HARTING 9330102702 插頭
Eaton Moeller 744-F0117-00P DXG-NET-DEVICENET
SCHNEIDER NSYZUN68VDA
SIEMENS 6ES72883AQ020AA0
Turck SI15-K30-Y1 Nr:10076
Gefran-2019 F070025 TC1-A-1-J-5-A-I 020X000X00020XX
Turck BL20-GW-DPV1
OMRON A22NZ-A-401
Eaton Moeller 116897 NZM2-XHB-DA-NA
HPI P1DBN2012HJ33D01N
SCHNEIDER MVS10N3NW0D
OMRON R88A-CRKC030NR-E
CASAPPA 65602623 PLP10.5-86E1/10.4 D FS
VESTER PBI-40-40/3-P
SCHNEIDER XUBLANCNL2
BAHNER 1,6 x dm19,7 x nt5,8 x L0=62,0 彈簧
SCHNEIDER GBX0400120552F
GGB GGB helibronn BB1212DP4
BANNER QS30LLP W/30
Motrona GV470
DEMAG ZBR132 B4 B140(with reducer)
OMRON A16S-2N-2P
BECKHOFF C9900-M568
Eaton Moeller 186897 ZFSNT76-T0
Eaton Moeller 170M6760
STAUFF SNK254V-C-T1-12-O-60
FG LINE AL01BB25T+TYPE C1
HPI P1CBN1003CV40C02N006V15
DEMAG 85131744
供應進口法國HPI齒輪泵P1AAN2006CL23C02N
Roeckelein GmbH XT-ZS 05810 150MMX13MMX8MM 砂輪
H+L DK55.1-6-80P-3215K 油壓傳動閥
Eaton Moeller 122098 XAP010808-SOND-RAL*
SIEMENS 6DD1684-0GC0
Eaton Moeller 283982 XMMC0606M
www.sitiriduttori.it MI 50 FP 64 RATIO:100/1
Heidenhain LC483 557679-12
SCHNEIDER RHK411E
SCHNEIDER VZ308E-20BP07
EMOD TYP:71L/2X-T51579 MOT-NR:8131299 IP55 S1 0.48KW
SCHNEIDER MVS32H3MF2L
SCHNEIDER VW3SKR002W40000B
BANNER K30RBTGXHQ
REO REOVIB R6/539 ID-NO:53910
MD MICRODETECTORS MDI58F 2384
Gefran-2019 F026135 M31-6-H-B01M-1-4-F 2130X000X00
OMRON XW2Z-100J-A5
VEM K21R 56 G 4 /0496，0967420002105H，B14FT65
SELET傳感器OCV04-45/5KPNSCC5
HBC-radiomatic ZJH\AC380V
B?WE-Elektrik GmbH BAV1016 standard
HYDAC HAD4445-A-250-Y00
UNIVER RT1300400180M
OMRON A22NK-3BB-01DA-G212
Gefran-2019 F023477 M32-6-M-B05C-1-5-D 2130X000X00
新聞德國Georgii Kobold KOD444-A/S51廠家進口
利用壓縮機的吸氣壓力作為蒸發器內的飽和壓力，查表得到近似蒸發溫度。用測溫計測出回氣管的溫度，與蒸發溫度對比是否在正常范圍5-8℃之間。必須同時讀取吸氣壓力值和回氣管溫度，否則造成計算出的實際過熱度不準確。調整中，如果感到過熱度太小，則可把調節螺桿按順時針方向轉動（即增大彈簧力，減小熱力膨脹閥開啟度），使流量減小；反之，若感到過熱度太大，即供液不足，則可把調節螺桿朝相反方向（逆時針）轉動，使流量增大。
Eaton Moeller 279065 FAZ-C40/4
SCHNEIDER NSYTJPLA73G
MD MICRODETECTORS MDI58G 2541
BECKHOFF FC5251-0010
LEUZE 68005306 MLC511R30-600
IPF IB081174
SCHNEIDER LV864956
ALRE AFT/P1000
Eaton Moeller 119365 NZMH3-ME350-S1
legrand 37404 安裝導軌
Schneider XCSA802
OMRON A22NZ-MGM-TAA
Eaton Moeller 102249 FAZ-C15/3-NA
RIEGLER MSVK1
UNIVER CM-647A
UNIVER K2000630530M
SCHMERSAL 101163604 NMEFGB
Electronicon E50.N13-584N50
BANNER AP400-030R
SCHNEIDER MGU3.505.25
BURKERT 電磁閥326366
rotok GP/S-045-180A/CA
SCHNEIDER MTN632714
HYDROTECHNIK 3403-15-D1.37
SCHNEIDER MGU63.065.854
BIFFI ICON 050/1440-36
SCHNEIDER LV433273
INDU-SOL 114090100
BURKERT 電磁閥365920
LENZE CONTROLLER 3231C TYPE:E32GAC10000C4G9XXX-02513414000 INPUT:DC24V,1.7A
BERNSTEIN 1015300209 CS-3000 - adattatore piccolo RAL9006
Magtrol TMB-307
TECHNIFOR SEMA002/588
SCHUNK SRH+40-M-M8 359381 工件夾具
ALBIN RB MODEL:RB5-02V SERIAL NO.2014-405103
Gefran-2019 F067101 850-A-RRD-1-1-03-3-M0-00-0-00
PULS QS10.121
Eaton Moeller 173349 XTMPIX40FC-H550W800
BANNER OC-120
B&PLUS MLA-30
SCHNEIDER PKX16W413
ZIMMER MKS2005AK EA637AA
MD MICRODETECTORS MDI58G 1346
Eaton Moeller 248009 PLHT-C32/2
Eaton Moeller 170M4926
stotz P65a-10-K
BANNER K90LGYPQP
SCHNEIDER BSH1001P12A1A
BANNER LEDWO50M-D
cincam CMOS-1201
Heinzinger LNC 10000-5 POS
Roemheld GmbH 1893303
FINDER繼電器269024
Gefran-2019 F022443 TR1-B-2-B-2-A-E-A-1 050X000X00050XX
KATKO VKAC 1.V
Eaton Moeller 107161 BBS-1/FL
CASAPPA 06879847 MOTOR FM30.27R0-19T1-LGE/GE-N
STROMAG Periflex PNP 40R 140 32/55
GESSMANN V61B1T-02RC 控制器
SCHMERSAL 101091836 BN 85-R
BANNER QS30LLP-18110
AirCom R160-04B15-01 減壓閥
ROSS D309C90
KOBOLD M04-E-R9-WXXX-0-0
RITTAL SV 9673.666
SCHNEIDER A9N21728
IPF LS060204
BANNER SLSP14-1500P88
flowserve gestra NRS 1-50
ILME ILCAP 10 L29
BECKHOFF CP9035-P008
SCHNEIDER MGU3.786.12
BANNER LSW-300
SCHNEIDER PRA06124
SUCO 0159-43014-1-001
HARTING 9150043113
FINDER繼電器94547SMA
OMRON F39-TGR-AS-MA-CC12
STAUBLI K81565314
OMRON E5CSV-R1T-500 100-240 VAC
Matador 61911240 可互換扳手套筒
RIEGLER 570-6
MAXON電機110124
B&R 3IF060.6
Forkardt SDVN 25-100-0-0-D
SCHNEIDER XS130BLPBL2
hydac EDS 348-5-250-000
PCH PCH1270/CHF5213 ---
ESD Electronic CAN-DP/2 Gateway CAN/Profibus-DP-Slave
SCHNEIDER LAD6K10B
FHF 22150705
SCHNEIDER XMEP1K0PT730
SCHNEIDER PRA90037
Gefran-2019 F022379 TC5-N-1-J-5-Q-J-B-1 020X000X00035XX
Messko MT-ST160WR/TT
UNIVER KD2001001600M
BAR 62952000SM-M2，9900392810，1.21323.0
供應原裝進口意大利VIVOIL齒輪泵X2P4301EOOA
LEROY SOMER 3~HE22/T N 3D8818/001/2014 ISOL.CI.F 40℃ amb
STEUTE ES 98 D-21 *
MD MICRODETECTORS MDI38G 545
SCHNEIDER XB4BP61GEX
MD MICRODETECTORS MDI58B 779
Z-LASER ZM18RF027/ Z5M18B-F-635-lg90
FHF9224011013 ExII-Signalhupe dGH 21 240 VAC 60 Hz Geh?use rot
NELSON Art.-Nr. 38-09-71 工件夾具
rexroth?star?gmbh type 1153-101-00 id： 10740/4
eurotek ET-MP/FK26/SMD
ETA ESX10-TB-101-DC24V-6A
Gefran-2019 F008528 M30-6-M-P05C-1-5-0 2130X000X00
DRIVE SYSTEMS AV72B B5 14.160 SN.165994/05
SCHNEIDER NSYAPUS10S
Eaton Moeller 141223 SPI100A0-5A3N1
SCHNEIDER ZB4BA88
Eaton Moeller 225345 TM-2-8231/IVS
OMRON XW2Z-200T-4
HONSBERG MR1K-020GM004-212 08SN 135970
BONFIGLIOLI right code is MP130240 LOW 130A CD 19S1ORSBKE
Matrix 0096-08-14 14Nm 1eb028-40 16445511 24v 19.5w
MP Filtri SA115G1L03A
SIME-STROMAG 110636-1/3
SCHNEIDER K1D008BL
Eaton Moeller 239715 DILMC95(RDC24)
RIEGLER FU 7180
E+H 91WA1-AA2B00ACA4AA
RIEGLER MS252R1212
GHR 10J45B9XVP J45-B9-X-V-AU 0,5 -70 bar PN 210
R.STAHL 8907/51-24/45
MD MICRODETECTORS MDI38G 211
sontheim CANUSBlight
PRODAN 1206009
Turck NI40U-CP40-AP6X2
SCHNEIDER A9F04770
SCHNEIDER KTC1350ZC71
SCHNEIDER NSYOPB21UGGD
GUTEKUNST彈簧D-162
EXSYS EX-44012
UNIVER RP2000400310
SELET傳感器K21E22POC5
SCHNEIDER LC2K1610E7
KATKO KET 3400 Y/R
zimmer RBPS 2500
FINDER繼電器405190060003PAC
Gefran-2019 F041256 KE2-6-M-P05M-1-4-D-H 2130X000X00
Herzog 2201-004-0012
OMRON D4NL-1CFG-B4
FHF 21220406
MD MICRODETECTORS MDI63G 72
MULCO SM5
RTA驅動器R2AAB8100HXR29M
RIEGLER 188.014-10
schmalz 10.02.02.00654
VECTOR 07172 ETHmodule TJA1100
graessner type 10V 1000 13L SA A25
MTS RHM0660MR201A01
RELECO C31L/AC230V
BURKERT 電磁閥204943
hydac EDS344-2-016-000
CASAPPA 76730235 HDP35.100-98/KP20.20 D/FS
Jaeger 653027200 插頭
CASAPPA 73849700 HDP30.73-06S8/30.43/30.43 D2
新聞德國Georgii Kobold KOD444-A/S51廠家進口
分析液壓缸密封件的布局引起低壓漏油狀況密封件的布局引起低壓漏油.種情況，密封件的布局辦理是導致低壓漏油很癥結的一個方面。按照闡發，但凡在低壓時漏油。一般為以下三種情況組成：漏油有兩種：一種是活塞桿漏油，看得見；另外一種是油缸內漏，看不見。兩者都有一個賦性，即是兩圓周面上感導力不克不及為零，如組成某一點上感導力為零，此處就會漏油。闡發了以上兩種情況，密封件兩唇口有兩個接觸圓周面。表里兩個圓周面感導力能否均勻分布，密封件表里唇口接觸面的粗造度，且則應用，密封件要恢復原狀，等到低壓力時，積油就會殘留在漏油的一邊。
SCHNEIDER ZB5AL4C0
OMRON R88D-KN150F-ECT-L
ILME ILCDFA 6A
Vahle 153515 碳刷安裝附件
ILME ILMHVN 06 L25
OMRON E2E-X7D1-U 5M
LEUZE LSS46/44-S12
BANNER TL50BLRY1B
Gefran-2019 F045492 TR6-B-4-B-C-A-I-C-1 000X000X00500XX
SCHNEIDER LX4D6ND
DOLD安全繼電器33386 BA7901.82 DC24V 1,5-30S
Gefran-2019 F067941 IE1-A-8-H-B35D-1-4-D-P-E 2130B000X00
小強工控 CARLO GAVAZZI PS31L-PT03RC-T00
CASAPPA 03590812 PLP30.61D0-05S5-LGG/GF-N
LENZE LDECB0F1112NNNHW 自動控制器
BECKHOFF EPP3744-1041
Gefran-2019 F027734 TR6-B-2-A-C-C-I-B-2 000X000X00200XX
HEINZ-MAYER Dichtungssatz MSL 5-180
英國ONDRIVES變速箱和減速器UPSG2.0-68PH-K
RIEGLER 160.03.603
IGUS "CFLG.2LB.62.5/125 20m
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BLAU 16060-00-022
ILME ILMAP 16 LS232
MECA-INOX 2MICA-063SR12
RIEGLER 420.32-SCH
SCHNEIDER SDN1300123
IPF OY410023
SCHNEIDER LP19421
RIEGLER 338.018-8
SCHNEIDER XUSL4E30H076LWH
braeuer BG06-31/DU05LA2/SP Nr;86900000001200 電機2
SCHNEIDER LX1FJ127
LINMOT滑塊E01-37Sx400
UNIVER S1011500550
HYDAC EDS 346-3-016-000
Gefran-2019 F020150 TR6-B-2-B-C-C-I-D-2 000X000X00500XX
小強工控 CARLO GAVAZZI CTD3X8005AXXX
Karl Klein MOTOR 2E 56 K30-2 OL
SCHNEIDER XS618B1PBL01C
Gitiesse FHF11286101 FHF11286101 Ex-Telephone ExR esistTel black
SCHNEIDER XACA67141
Eaton Moeller RDF800L-3 Switch 800A L 3P UL98
REO ELEKTRONIK AG REOVIB MTS 610-25
FHF 22492405
SCHNEIDER OVA50250E
SCHNEIDER BJL16015
ZIMMER MKS2501A BA157AL
HPI M3BAN2015HL20C02N
TECNA 1621
SCHNEIDER LA9P307
小強工控 CARLO GAVAZZI PS42L-PT11LN-T00
VIVOIL齒輪泵X1P2362BBBA
Gefran-2019 F007782 ME2-6-M-B07C-4-5-D 2130X000X00
SCHNEIDER NSYCEW1K8
小強工控 CARLO GAVAZZI VP04EP
Spieth MSR 45.1,5 工件夾具
Gefran-2019 PCUR027 GALLEGGIANTE CON FERMO IK D 15
Gefran-2019 F005116 CT-A-KN1C 2130X000X00
UNIVER S1033250950M
MD MICRODETECTORS MDI58B 2013
CASAPPA 035925CA MOTOR PLM30.73R0-33S5-LOG/OH-N-SAE6
RIEGLER 252.15-ES
FINDER 60.13.9.220.0040 10A 220V DC
SCHMERSAL 103011802 NDLGR/WS-2905-2
FAULHABER電機2342S024CR231 66：1
Eaton Moeller 167378 SRSD1COW
CASAPPA 03802146 HDP35100D1-06S8-LMF/ME-60F0-N-A(U-30)
SELET傳感器B02EG6,52NC
SCHNEIDER BMH0701P36F1A
Herion S6DH0019G020001500
MD MICRODETECTORS MDI38G 1615
PR ELECTRONICS PR4501
Trafag PST4M16F4
MANULI Item NO.： 362565 Material： TECALAN/VA HS‐Ccode： 40092200 Country of Origin： IT TRACTOR/2T ISO1436‐1 EN853 2SN 8 WP 350bar
Schneider KSA02NSD311
SCHUNK 207933
BANNER SU923QD
HBM MP70DPS7
SENSOREX SX12V025
ILME ILCGO 16.29 B
EA TN111425
SCHMERSAL 103009216 NDTP30GR/GN
SPECK 液環真空泵 V430-35, M0013 ,
LIKA編碼器C80-L-1024BCU125L10 1024PPR-L10MT
CASAPPA 0200106H PLP20.25D0-07S1-POD/OC-N-EL-D
Joventa SA2.10S
OMRON ZJ-BAS050
Gefran-2019 F069510 TCM-CP-1-J-5-A-0-T-C 003X000X00000XX
ASV STUBBE SHM50-40L
delo AD295
BOLL+KIRCH 3142316
SCHNEIDER ZB5AA14
SELET傳感器B01AN30NO
BANNER TL50YRBG
JUNG 1562715
Matthews Swedot AB 2079
IMT SOLAR IMT/EDT10 4-20mA S/N368157
ALRE KTRRUu-257.456#27
小強工控 CARLO GAVAZZI RGC1A23A30KKE
ODE 21A5KT45-ORV AC220V
SCHNEIDER K1D004HLH
SCHROFF 電源/PE1957/26/NC9415-019-57261
BANNER DX80N2X6S-P6
SCHNEIDER BMH1401P32F1A
ILME ILPEW 63114 PI
"KNF Neuberger GmbH
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Gefran-2019 F305060 GFW-2PH-100-690-0-0-3-R-1-1-M
HAFFMANS 1.63
CASAPPA 79943630 FP30.82-67/PLP20.25-LGE/GD-EL D
honeywell R4343 E1014 230VAC 20/60Hz CE-0085AR0415
PARKER SMH826003814S2ID65A74
ARISCO S.p.A. Pos.No.:60 Ref.No.:H 614841 for Model:J.70-250S
OMRON V680-A80
UNIVER K2001000450FM
RELECO CRINT-S12/UC24V R
KSR Kuebler Dichtung Gr. 9 418D102 Abm. 320x24x0,5mm W: Novaphit SGBC
Econex AB1B2002-S 115v Control Motor
CASAPPA 01999ADF PLP20.9D0-03S1-LOD/OC-N-EL FS
MD MICRODETECTORS MDI63A 1981
BAUER BK40G10-34V/D06LA4-D-S/E003B9/SP E25479434-1
MD MICRODETECTORS MDI63A 1512
UNIVER HB140418
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Gemue 690 25 D 7 71 14 1 1/N
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RIEGLER 225.43
CASAPPA 03572886 REAR SECTION KP30.73D*- * *-LED/EB- *M4-N-P
MD MICRODETECTORS MDI63A 1165
CASAPPA 03581882 HDP35.90D2-05S5-LGL/GH-N
HYDAC EDS344-2-016-000
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OMRON A16ZJ-3003
RIEGLER 201-KDE
GEMU 600 25M14
CASAPPA 03567092 MOTOR KM20.25B0-31S1-POD/OD-N
BURSTER 8712-50
SCHNEIDER XMLPM09BD21F
HARTING 9330162716
OMRON E5CD-RX2A6M-000
Eaton Moeller 72372 Q25WK3
SCHNEIDER CA2KN40U7
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Ganz MAK86/50
FAULHABER電機2233R024S74-22/2K/5.44:1
OMRON H3Y-2 AC200-230 60S
FINDER 85.04.0.024.000
BANNER TL50HYYYYYQ
UNIVER W1010800080M
SCHNEIDER 9007FTUB4M12
AKA Automatismes AKGRAD 4/330
bitzer SE-B1 part NO.34701901
OMRON 3Z4S-CA STC-MBCM200U3V-NIR
OMRON A22NS-3BL-NRA-G210-NN
BLX V200E-EX-D1-90-B-C1
小強工控 CARLO GAVAZZI PS31L-MT03PH-T00
SCHMERSAL 103004060 SLG440COM-ER-0500-02
Crouzet "82510 503 24V/ 50/60Hz (without pinion and gear)
"
SECO ER20/D6
Rexroth 1825503202
BANNER WLAB105X180DQ
SCHNEIDER NSYSHLT8040
Pfeiffer Vacuum GmbH PTR26950
MD墨迪 FAIC/BN-2E90° Retroreflective 4 m NPN Q/QN plast. conn. M12
SIEMENS 5TE6810
CASAPPA 019988MM MOTOR PLM20.16S0-82E2-LEA/EB-N-EL-AV
Eaton Moeller 283183 MSC-R-10-M9(230V50HZ)
Gefran-2019 F020267 TR6-B-4-B-C-A-I-B-1 000X000X00100XA
VIVOIL齒輪泵X1P2502FBBD
DEMAG ZBA180B6B280 15kw 920 1/min
Debnar ASK 2000/1A 15VA KI.0.5
RIEGLER 252.19 TCR.11960720 OMRON DRT2-MD16-1Z-Laser Z15M18B-F-638-lg90aKTR Zahnkranz 65/95 聯軸器
新聞德國Georgii Kobold KOD444-A/S51廠家進口
使用水輪機的冷卻塔系統故障點少，節能水輪機以一臺水輪機代替電機、減速器和傳動部分，可以實現長時間無故障運行，為使用單位節省大量的維護和更換冷卻塔的電機和減速器的費用和人力。轉速特性曲線表示水輪機在導水葉開度、葉片轉角和水頭為某常數時，其他參數與轉速之間的關系。在水輪機的模型試驗中，常規的做法是保持一定的水頭，通過改變軸上的負荷（力矩）來改變轉速，達到調節工況的目的。故整理模型試驗的數據時，以轉速特性曲線為方便，水輪機的其他特性曲線，實際上都是從轉速特性曲線換算而得。
