Iindaba - Ivalvu yesango lemela yepolyurethane egcwele umgca opheleleyo enganyangekiyo

Yintoni ivalvu yesango lemela ye-polyurethane

Ivalvu yesango lemela yepolyurethaneibhekisa kwivalvu yesango lemela enetywina lesitulo sevalvu yepolyurethane.I-Polyurethane (PU)ineempawu zokungagugi kwioyile, ukungagugi, ukungagugi kubushushu obuphantsi, ukungagugi, ubulukhuni obuphezulu, ukuthamba okugqwesileyo kunye nokusebenza kakuhle kokulwa netyhefu. Ihlala isetyenziselwa amasuntswana obunzima obuphezulu kunye nemibhobho ephakathi equlethe igesi kunye nolwelo. Isebenza kakuhle ekuvaleni kunye nokugugika okunamandla aphezulu.

I-Polyurethane yaziwa ngokuba yi-"rabha engagugiyo". Ukumelana kwayo neoyile akukho ngaphantsi kunerabha ye-nitrile kwaye ilingana nerabha ye-polysulfide. Ifanelekile kakhulu kwiipayipi ezahlukeneyo eziphakathi ezifuna ukuvalwa okuphezulu kunye nokukhukuliseka kwamasuntswana anamandla aphezulu.

Uhlalutyo Lokusebenza Kwezinto ZePolyurethane
Inkqubo yokubumba	Izinto eziphambili zeekhemikhali ze-polyurethane
Ukubumba inaliti enoxinzelelo oluphezulu	I-Isocyanate Polycarbonate
Iiparamitha zokusebenza kwePolyurethane
Ubuninzi bomthamo g/cm3	Amandla okuxinana N/mm	Ubunzima be-Shore A	Ukwandiswa okuzinzileyo N/mm2	Ukwandiswa ngexesha lokuphumla %
1.21+0.02	Ubuncinane be-45	95+5	Ubuncinane be-15	Ubuncinane be-300

Ulwazi lweMveliso yeValve yeSango lePolyurethane Knife

Uluhlu lweMveliso:

Ubungakanani: NPS 2 ukuya kwi-NPS 48

Uluhlu loxinzelelo: Iklasi ye-150, i-PN16, i-PN10

Uqhagamshelo lweFlange: Iflengi

Umsebenzi: Isandla, umbane, i-gearbox, umoya, umoya ohamba ngesandla, i-hydraulic, i-electro-hydraulic, i-sprocket, i-lever

Iphakathi efanelekileyo: Intlama, amanzi amdaka, udaka lwamalahle, uthuthu, amasuntswana, uthuli, umxube wamanzi amdaka

Izixhobo zeValve yeSango leMese:

Ukuphosa:(GGG40, GGG50, A216 WCB, A351 CF3, CF8, CF3M, CF8M, A995 4A, 5A, A352 LCB, LCC, LC2) Monel,

Inconel, Hastelloy, UB6

Imigangatho yeValve yeSango leKnife yePU

Uyilo kunye nokuveliswa	I-MSS SP-81
Ubuso ngobuso	I-MSS SP-81
Phelisa uQhagamshelo	I-ASME B16.5, i-ASME B16.47, i-MSS SP-44 (i-NPS 22 kuphela)
Uvavanyo kunye nokuhlolwa	I-MSS SP-81
Ikwafumaneka nge	NACE MR-0175, NACE MR-0103, ISO 15848
Okunye	I-PMI, i-UT, i-RT, i-PT, i-MT

Iimpawu zoYilo:

I-Polyurethane Knife Gate Valvento leyo eyenza ukuba ibe yenye yezona zinto zibalaseleyo ezimelana nokurhawuzelelwa. I-Polyurethane Knife Gate Valve yethu (NSW) igcwele i-urethane esemgangathweni ophezulu, edlula kakhulu ixesha lokuguguleka kwerabha yegum kunye nayo nayiphi na enye i-liner ethambileyo, okanye izinto zesleeve.

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1.Akukho kuvuza: Umzimba wevalvu ye-urethane egcweleyo kunye ne-molded elastomer gate seal zithintela ukuvuza ngokusisigxina kokutywinwa kwevalvu kunye nomzimba wevalvu ngokwawo ngexesha lokusebenza.

2.Ixesha elide lokunxiba: Iiliner ze-urethane ezisemgangathweni ophezulu ezimelana nokurhawuzelelwa, kunye namasango eemela eziqinileyo ezingatshiyo kunye noyilo olulodwa lwevalvu ngokwayo zibonelela ngobomi benkonzo ende kakhulu.

3.Ukuvalwa kwecala eliya kwicala elibiniXa kusenzeka i-back flow, i-NSW ingasetyenziswa njenge-preventer.

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4.Uyilo oluzihlambululayo: Ngexesha lokuvala ivalvu, isango lemela elijijekileyo libuyisela udaka oluhambayo kwisihlalo se-urethane esijijekileyo, liphuhlise ingxolo kwaye liqinise ukuhamba kwamanzi, emva koko likhuphe udaka oluvela ezantsi kwe-urethane njengoko isango lingena kwisihlalo.

5. Ukwakhiwa kwakhona okululaXa kufuneka ukwakhiwa kwakhona ekugqibeleni, iindawo ezigugileyo (ii-urethanes, izitywini zesango, iigeyithi zemela) zonke zinokutshintshwa kwindawo yokusebenza. Imizimba yeevalvu kunye nezinye iindawo zingasetyenziswa kwakhona.

Iinketho

1. Iringi Yesihlalo (IiLiner):Iindidi ezahlukeneyo ze-urethanes ziyafumaneka.

2. Amasango eValve:Iingcango ze-SS304 ezine-chromium eqinileyo zisemgangathweni. Ezinye ii-alloys ziyafumaneka (SS316, 410, 416, 17-4PH…) Iingcango zesango ezikhethiweyo nazo ziyafumaneka.

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