Amavalvu esango asebenza njengegiya lokuvala kumapayipi ezimboni. Banqamula noma bavule ngokugcwele ukugeleza koketshezi ukuze bahlukanise izingxenye zamapayipi ngesikhathi sokulungiswa noma ukuma kwesistimu. Uzozibona kusitimu, uwoyela, uketshezi lwamakhemikhali, amanzi edolobha nezintambo zikagesi eziteshini zikagesi, izimboni zamakhemikhali nasezikhungweni zokuhlanza amanzi.
Akuwona umqondo omuhle nhlobo. Ama-valve esango enziwa kuphela ukuthi ahlale evuliwe noma evaleke ngokugcwele. Uma ushiya i-wedge ivuliwe, uketshezi olugijimayo luzohlala lushaya indawo yokuvala, lubhidlize ngokushesha futhi luholele ekuvuzeni okungapheli. Amavalvu avuleke kancane aphinde enze ukudlidliza okukhulu nesando samanzi esilimaza i-valve namapayipi axhunyiwe. Hamba kumavalvu eglobhu noma ebhola uma udinga ukulawula ivolumu yokugeleza.
Okokuqala, idizayini yazo egcwele ibhore idala ukuthi kungabi nakuphi ukumelana nokugeleza nokwehla kwengcindezi lapho ivuleke kakhulu. Bavumela uketshezi ludlulele phambili noma emuva, ngakho-ke akudingeki ukhathazeke mayelana nesiqondiso sokufaka. Isakhiwo sabo sangaphakathi esilula sigcina sishibhile futhi sibenza bahlale isikhathi eside ngokusetshenziswa okufanele. Ama-valve esango ane-Flanged nawo asebenza kahle kumanethiwekhi amapayipi ezimboni anobubanzi obukhulu, anomfutho ophezulu.
Sinikeza ikakhulukazi ama-valve esango le-wedge kanye nama-valve esango lama-slide ahambisanayo. Uhlobo lwe-wedge oluqinile ludayiswa kakhulu, luvaleka kahle kumapayipi amaningi ajwayelekile ezimboni. Amavalvu esango lamaslayidi ahambisanayo asebenzisa amapuleti okuvala ayisicaba, alungele isitimu sokushisa okuphezulu nemigqa kawoyela efuna ukuvikeleka okuqinile kokuvuza.
Amavalvu esango asebenza kahle kakhulu kumapayipi amakhulu amakhulu ahlala evuleke ngokugcwele isikhathi esiningi, njengoba edala ukumelana nokugeleza okuncane kakhulu. Futhi zisebenza kancane kancane kumasistimu okushisa aphezulu. Uma usayizi wamapayipi wakho efika ku-DN200 noma ngaphezulu, amavalvu esango nawo afaneleka kakhulu isabelomali. Ama-valve ebhola alingana namaphrojekthi adinga ukuvulwa nokuvala njalo noma ukulungiswa kokugeleza.
Yini ongayenza ukuze uthole izimbangela zokuvuza futhi uzilungise?
Ukuvuza kwe-Flange: Amabhawudi angase axege noma ama-gasket aguge. Qinisa amabhawodi ngokulinganayo; shintsha ama-gasket amadala, awonakele uma kusala.
Ukuvuza kwesiqu: Gcwalisa kabusha ukupakishwa kwegraphite bese uqinisa kancane inadi lendlala ukuze uvimbele izikhala ezizungeze isiqu.
Ukuvuza kwangaphakathi lapho kuvaleke ngokuphelele: Uthuli noma ukuklwebheka kuweji kanye nesihlalo siphula uphawu. Hlukanisa i-valve, sula ukungcola, ukuklwebheka kwepholishi noma shintsha izingxenye zokuvala ezigugile.
Ukugeleza okuncane emzimbeni we-valve: Izimbobo ezincane zokuphonsa zingashiselwa phezulu; shintsha wonke ama-valve umzimba uma imifantu ibucayi.
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