以離子或分子狀態(tài)溶解于水中的雜質(zhì)危害鈣鹽類在水中的主要構(gòu)成有Ca(HCO3)CaClCaSOCaSiO3等。鈣鹽是造成換熱器結(jié)垢的主要成分。其中,CaSO4是一種質(zhì)硬、結(jié)晶細(xì)密的水垢,結(jié)構(gòu)松散,附著力小,是一種比較松軟的泥渣,從水中分離出來(lái)的具有流動(dòng)性,即使附著在受熱面上也容易清除。鎂鹽在水中的主要構(gòu)成有Mg(HCO3)、MgClMgSO4等。鎂溶解在水中后,在受熱分解后生成Mg(OH)2沉淀,Mg(OH)2也是泥渣式水垢。
Allen Bradley SLC500 Output Module 1746-OW16 Ser. C
Allen Bradley SLC500 Output Module 1746-OW16 Ser. C
ALLEN BRADLEY Z13949 SWITCH NEW
Allen Bradley 800T-FXNP16 A7 Red Push Button Ser T 120V 50/60Hz
ALLEN BRADLEY 1746-IB32 bbbbb MODULE SER C 15-30 VDC
Allen Bradley 42GRU-9200/42GRU9200 Photoswitch Ser A **WARRANTY**
ALLEN BRADLEY 100-A24NZ243 SER. B CONTACTOR 24VDC *USED*
Allen-Bradley 849ZOD24 PNEUMATIC TIMING RELAY
ALLEN BRADLEY 849-ZOD321 SERIES B PNEUMATIC TIMER
ALLEN BRADLEY 73A86 COIL USED
Allen Bradley via TCS 800TX507 Ser. A NSNP 800T X507
Allen Bradley 1771-IBD Series B | DC bbbbb Module
ALLEN BRADLEY 76A86 COIL 120V/60CY * USED *
Allen Bradley via TCS 800TX508J Ser. A NSFP 800T X508J
Allen Bradley SLC500 1746-IB16 Ser. C bbbbb Module FREE SHIPPING
ALLEN BRADLEY 802TK1P SWITCH USED
Allen-Bradley 1734-EP24DC Part No. 96377671
Allen Bradley 2090scep01 Neu mit Verpackung
ALLEN BRADLEY 700-CF400* CONTACTOR SER A 600 VAC COIL 120V 60HZ 110V 50HZ
Allen Bradley via TCS 800EMMP24 Ser. A NSNP 800EM MP24
Allen Bradley 1495-G3 Auxiliary Contact 1495G3 Series L (Pack of 3)
Allen-Bradley 800H-HR2A Series F Selector Switch 1NO/1NC 2-bbbbbbbb ! WOW !
ALLEN -BRADLEY RETANGULAR REFLECTOR 51MM X 61MM MICROCUBE 92-118
Allen Bradley 1746-IV16 SLC500 SER.C Module 1746IV16 (Used>C1/D7-044-045)
AO801 3BSE020514R1 output 1*8ch
DI801 3BSE020508R1 24Vdc 1*16ch
DI802 3BSE022360R1 120VAC 1*8ch
DI803 3BSE022362R1 230VAC 1*8ch
DO801 3BSE020510R1 24Vdc
DO802 3BSE022364R1 24-230VAC 1*8ch
SD831 3BSC610064R1 電源模件 3A
SD832 3BSC610065R1 電源模件 5A
SD833 3BSC610066R1 電源模件 10A
SD834 3BSC610067R1 電源模件 20A
SS832 3BSC610068R1 電源切換單元,10A
AI893 3BSC690141R1 8通道,本安型溫度輸入模塊,TC/RTD
AI895 3BSC690086R1 1*8通道,本安型輸入模塊,4…20mA
AO895 3BSC690087R1 1*8通道,本安型溫度輸入模塊,4…20mA
TB805 3BSE008534R1 模件總線電纜適配器接口(out)
TB806 3BSE008536R1 模件總線電纜適配器接口(In)
TB845 3BSE021437R1 雙模件總線電纜適配器接口(out)
TB846 3BSE021439R1 雙模件總線電纜適配器接口(In)
TK801V003 3BSC950089R1 模件總線連接電纜0.3m
TK801V006 3BSC950089R2 模件總線連接電纜0.6m
TK801V012 3BSC950089R3 模件總線連接電纜1.2m
TB807 3BSE008538R1 TB807 終端電阻
TB820V2 3BSE013208R1 模件總線 Modem
TB825 3BSE036634R1 TB825光纖轉(zhuǎn)換器
TB840A 3BSE037760R1 模件總線 Modem,冗余
TB810 3BSE008560R1 模件總線 光纖口(適用于CI810.CI830)
TB811 3BSE008568R1 模件總線 光纖口(適用于傳動(dòng)設(shè)備)
TB842 3BSE022464R1 模件總線 光纖口(適用于CI801.CI840)
TU807 3BSE039025R1 TB840/TB840A底座(適用于單TB840/TB840A)
TU840 3BSE020846R1 冗余TB840/TB840A底座,用于冗余I/O
TU841 3BSE020848R1 冗余TB840/TB840A底座,用于非冗余I/O
TU848 3BSE042558R1 冗余TB840/TB840A底座,冗余I/O,冗余電源接口
儀表行業(yè)在未來(lái)建設(shè)中將重點(diǎn)圍繞制造225,加強(qiáng)推動(dòng)重點(diǎn)行業(yè)標(biāo)準(zhǔn)體系建設(shè),如核電儀表、智能電網(wǎng)成套儀表將成為突破的重點(diǎn),加大這些重點(diǎn)項(xiàng)目建設(shè),開展試點(diǎn)和示范,提升國(guó)產(chǎn)化進(jìn)程,提高競(jìng)爭(zhēng)力,是當(dāng)前標(biāo)準(zhǔn)建設(shè)的一大目標(biāo)。發(fā)揮企業(yè)在標(biāo)準(zhǔn)化的作用推動(dòng)標(biāo)準(zhǔn)實(shí)施企業(yè)作為儀表標(biāo)準(zhǔn)化的主體,其標(biāo)準(zhǔn)水平直接關(guān)系到整個(gè)行業(yè)的競(jìng)爭(zhēng)力。但由于我國(guó)中小企業(yè)占據(jù)過(guò)半,而這些企業(yè)往往自主創(chuàng)新能力不夠、設(shè)備和技術(shù)也明顯落后,導(dǎo)致標(biāo)準(zhǔn)化基礎(chǔ)基本為零。
1SAP180500R0001 TA523
1SAP180500R0001 TA523
1SAP180600R0001 TA524
1SAP180700R001SAJ929400R0001 UTF21-FBP 鴻飛達(dá)自動(dòng)化科技優(yōu)價(jià)巨力奉獻(xiàn)
1SAP111100R0260 TB511-ARCNET
1SAP111100R0270 TB511-ETH
1SAP112100R0260 TB521-ARCNET
1SAP112100R0270 TB521-ETH
1SAP114100R0270 TB541-ETH
1SAP130100R0200 PM571
1SAP130100R0270 PM571-ETH
1SAP130200R0200 PM572
1SAP130300R0271 PM573-ETH
1SAP140100R0200 PM581
1SAP140100R0270 PM581-ETH
1SAP140200R0200 PM582
1SAP140200R0260 PM582-ARCNET
1SAP140200R0270 PM582-ETH
1SAP140300R0271 PM583-ETH
1SAP150000R0200 PM590
1SAP150000R0260 PM590-ARCNET鴻飛達(dá)自動(dòng)化科技優(yōu)價(jià)巨力奉獻(xiàn)
1SAP150000R0271 PM590-ETH
1SAP150100R0200 PM591
1SAP150100R0260 PM591-ARCNET
1SAP150100R0270 PM591-ETH
1SAP170200R0001 CM572-DP
1SAP170400R0201 CM574-RS
1SAP170401R0201 CM574-RCOM
1SAP170500R0001 CM575-DN
1SAP170700R0001 CM577-ETH
1SAP170800R0001 CM578-CN
1SAP170901R0001 CM579-PNIO
1SAP170902R0001 CM579-ETHCAT
1SAP180100R0001 MC502
1SAP180200R0001 TK501鴻飛達(dá)自動(dòng)化科技優(yōu)價(jià)巨力奉獻(xiàn)
1SAP180200R0101 TK502
1SAP180300R0001 TA521
Allen Bradley 1771-IBD Series B | DC bbbbb Module
ALLEN BRADLEY 76A86 COIL 120V/60CY * USED *
Allen Bradley via TCS 800TX508J Ser. A NSFP 800T X508J
Allen Bradley SLC500 1746-IB16 Ser. C bbbbb Module FREE SHIPPING
ALLEN BRADLEY 802TK1P SWITCH USED
Allen-Bradley 1734-EP24DC Part No. 96377671
Allen Bradley 2090scep01 Neu mit Verpackung
ALLEN BRADLEY 700-CF400* CONTACTOR SER A 600 VAC COIL 120V 60HZ 110V 50HZ
Allen Bradley via TCS 800EMMP24 Ser. A NSNP 800EM MP24
Allen Bradley 1495-G3 Auxiliary Contact 1495G3 Series L (Pack of 3)
Allen-Bradley 800H-HR2A Series F Selector Switch 1NO/1NC 2-bbbbbbbb ! WOW !
ALLEN -BRADLEY RETANGULAR REFLECTOR 51MM X 61MM MICROCUBE 92-118
Allen Bradley 1746-IV16 SLC500 SER.C Module 1746IV16 (Used>C1/D7-044-045)
ALLEN BRADLEY POWER CIRCUIT BOARD 50906 REV 08
Allen Bradley 871ATS5N3 Kabel Neu in Karton
Allen Bradley 800E-3X01 White Momentary Push Button
Allen Bradley 194la251753 Switch NEW with packaging
ALLEN BRADLEY VERSACUBE PROXIMITY SENSOR 871P-D40NP40-N4 Series B Fast Shipping
Allen Bradley 800T-H4803 Keyed Selector Switch 800TH4803 W/O Key
Allen Bradley via TCS 800FPLE0 Ser. A NSFP 800FP LE0
ALLEN BRADLEY 800TH33A SWITCH NEW IN BOX
福建鴻飛達(dá)自動(dòng)化科技有限公司
創(chuàng)立于:2011年03月03日
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