Kusarudza tambo yepombi inonyudza haingori sarudzo yehunyanzvi - inokanganisa kuvimbika kwehurongwa, kuchengetedzwa, uye-mitengo yenguva refu yekushandisa. Mumatsime, masisitimu ekudiridza, zvirimwa zvekubvisa munyu, uye nharaunda dzekupomba dzemaindasitiri, kutadza kwetambo kunogona kudzima mashandiro ese uye kugadzira kunodhura kunotora kana kugadzirisa basa. Ndosaka kutsvagatambo dzepombi dzinonyudza kubva kune vane zvitupakwakakosha. Tambo dzakasimbiswa dzinoita kuti pave nemhando yemhando, kuenderana nezvinodiwa pasi rose, uye kushanda kwakavimbika pasi pemvura, kudzvanywa, kupisa, uye kuratidzwa kwekemikari - zvichipa vatengi mukana unoyerwa muuptime, kuchengeteka, uye mutengo wakakwana wevaridzi.
Chii chinoita kuti tambo ive "submersible pump cable" - uye sei ndisingakwanise kushandisa tambo yakajairika?
Submersible pump cable chinangwa-chakagadzirirwa kunyudzwa nguva dzose kana kudzokororwa uye kumhanya mugomba kana pasi pemvura. Kusiyana netambo dzekuvaka, inoshandisa inochinjika, -inomira kondakita zvivakwa, mvura-inovharira kana kuvhara rabha, uye mabhachi ekunze akasimba akagadzirirwa kudzivirira mabrasion, oiri, ozone nemvura yemunyu. Tambo dziri pasi pemvura dzinowanikwa dzakati sandara uye dzakatenderedzwa akawanda-mafomati epakati uye anowanzo sanganisira sarudzo dzakatemerwa kunyudza kwakareba uye kushushikana kwemagetsi.Nei izvi zvichikosha: kuisa tambo yakajairika mutsime kana pasi pemvura kunowedzera zvakanyanya njodzi yekupinda kwemvura, kusashanda kwekudzivirira, kukuvadzwa kwemotor uye nguva yekudzikira - zvichigona kugadzira kudzosa nekutsiva kunodhura.
Ndeapi zviyero uye zvitupa zvinofanirwa kusimbirirwa nevatengi?
Tsvaga kuti mutengesi/mugadziri anoenderana nezviyero zvinozivikanwa pasi rose uye-zvibodzwa zvechitatu zvakaita se:
IECakatevedzana anoshandiswa pakuisa insulating zvinhu uye tambo yekuvaka (mienzaniso: IEC 60227 / IEC 60245 mareferensi etambo uye tambo dzerabha).
VDE / DIN / EN / BSzviyero zvinozivikanwa muEurope (semuenzaniso, H-taipa tambo dzakabatanidzwa seH07RN8-F dzekunyura kusvika pakadzika zvakatsanangurwa).
ISO 9001(mhando manejimendi) yekuenderana ekugadzira maitiro uye traceability. NassauNationalCable
IP/NEMA ratingspanzvimbo yakakomberedzwa/gland level (IP68 / NEMA 6P yekuenderera kunyura kwekugumisira uye glands). Polycase
Izvo zvitupa zvinoderedza njodzi yehunyanzvi, simbisa zvinhu zvinoenderana uye kuyedzwa, uye zvinowanzodiwa kune inishuwarenzi uye kuongororwa kweprojekiti. (Ona nhungamiro ine chiremera kubva kumasangano eindasitiri nevagadziri vakuru.)
Setifiketi inodzika sei mutengo wevaridzi (TCO)?
Makambo akasimbiswa uye akasimbiswa ekugadzira maitiro anoderedza:
Kukundikana kwehuwandu- zvinhu zvakasimbiswa uye bvunzo dzinobata zvinokanganisa isati yatumirwa.
Maintenance & kudzorera mari- tambo yepasi yatadza kunyura inogona kuda maoperation anodhura.
Warranty & liability exposure- vatengesi vane zvitupa vanowanzopa mazwi ewaranti akajeka uye zvinyorwa.
Mutengo wakaderera wekutanga wekutenga kubva kune isina kusimbiswa sosi unogona kudzimwa kakawanda nebasa rimwechete rekutsiva mugomba rakadzika kana yakakosha kupomba application.
Ndeapi maficha ehunyanzvi andinofanira kuonesa pane dhatabheti remutengesi?
Paunenge uchiongorora vatengesi, simbisa-zvinhu zvine zvinhu izvi padhetabheti kana rondedzero yebvunzo:
Conductor size & kirasi yemhangura (kushanduka): inofananidza mota yekutanga / ampacity zvinodiwa.
Insulation & sheath zvinhu: rabha (neoprene/HAR), XLPE/EPR yepakati voltage, kana maPVC akasiyana akagadzirirwa mvura inonwiwa kana zvichidiwa.
Rated voltage & tembiricha renji.
Inokurudzirwa kunyudza kudzika uye kuenderera kunyura rating(semuenzaniso, mamwe marudzi eH07RN8-F akatemerwa kudzika chaiko). Lapp Group Zvigadzirwa
Mvura-kuvharisa / fekitori-yakavharwauye kuenderana ne IP68/NEMA 6P glands.
Zvitupa zvebvunzo: bvunzo yemhando, routine test voltages, uye wechitatu-mishumo yebato.
Ini ndinoongorora sei rondedzero yevanotengesa pakutenga?
Shandisa iyi chinyorwa chekutarisa chinogoneka kana uchikodzera vatengesi:
Certifications: ISO 9001, yakanyorwa kutevedzera kuIEC/VDE/EN zviyero zveiyo chaiyo tambo modhi.
Wechitatu-kuyedza: yakazvimirira lab kana yakaziviswa yemuviri bvunzo mishumo inovhara insulation, mvura ingress, uye tensile / kuchembera bvunzo.
Factory QC & traceability: nhamba dzebatch, marekodhi eQA, uye kuyedzwa kwekugadzira.
Zvinyorwa zvemumunda: mapurojekiti munzvimbo dzakafanana (matsime, desalination, offshore, migodhi).
Mushure me-rutsigiro rwekutengesa: gasket / gland kuenderana, kumisa kudzidziswa, spares, uye waranti mazwi.
Nyora cheki idzi mufomu yako yekuongorora yemupi; usavimbe nezvinorehwa newebhu chete kana mutengo wakaderera.
Ndeipi mibvunzo yandinofanira kubvunza muRFQ (mazwi chaiwo aunogona kutevedzera)?
Ndokumbira upe wechitatu-zvitupa zvebvunzo zvebato zvinoratidza kutevedzera [isa mwero, semuenzaniso, IEC 60245 / EN 50525 / VDE].
Ndeipi iyo yakanyanya kukurudzirwa kuenderera kunyudzwa kudzika uye tembiricha yemvura yemuenzaniso X
Ipa fekitori bvunzo mishumo (batch nhamba, routine test voltage, kuenderera, insulation kuramba).
Simbisa kuenderana neIP68/NEMA 6P gland kits uye upe inokurudzirwa chikamu nhamba nhamba.
Ipa waranti mazwi, hupenyu hwesevhisi hunotarisirwa, uye mareferensi emumunda emapurojekiti akafanana.
Ndeapi maitiro akajairwa ekutadza uye vatengesi vane zvitupa vanoaderedza sei?
Kazhinji kukundikana modes:
Mvura inopinda mukati kana kupera→ kudzikiswa nemvura{{0}makomisheni ekuvharisa, fekitori yakavharwa kwainoperera, uye IP68 gland masisitimu.
Mechanical abrasion kana kupwanya→ kudzikiswa nemabhachi ekunze anorema (neoprene/HAR) uye kururamisa tambo nzira/dziviriro.
Kemikari / kurwisa kunoparadza (mvura yemunyu, mafuta)→ kudzikiswa nemakondukita akaiswa pepa uye ngura-mabhachi asingadziviriri.
Procurement strategy: commodity buy vs. Strategic supplier partnership
Commodity buy (mutengo wakaderera, nzvimbo yekutenga): zvinotenderwa kwenguva pfupi{{0},,-zvirongwa zvakaderera-(zvisina kudzika, mvura inonwiwa, isingakoshesi). Zvichiri kuomerera pane zvidiki zviyero uye batch bvunzo mishumo.
Strategic kudyidzana: zvinokurudzirwa kumatsime akadzika, maindasitiri, manisipala, offshore kana mishoni-yakakosha kuisa.
kusarudzwa kwetambo,-rutsigiro rwesaiti, kuongororwa kwemhando yakabatana, uye nguva dzinotungamira. Kudyidzana-kwenguva refu kunoderedza hupenyu-kudhura nekuderera.
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Reference
International Electrotechnical Commission (IEC).
Underwriters Laboratories (UL).
Sangano reNational Electrical Manufacturers Association (NEMA).