Plastic valve bụ ụdị valvụ a na-ejikarị eme ihe, ọ nwere uru nke nguzogide corrosion, ịdị arọ dị arọ, na-eguzogide ọgwụ, wdg. A na-ejikarị ya eme ihe na chemical, petrochemical, nchedo gburugburu ebe obibi na ụlọ ọrụ ndị ọzọ.Ihe na-esonụ bụ akụkọ mmepe nke valves plastik.
N'afọ ndị 1950, na mmepe ngwa ngwa nke ụlọ ọrụ kemịkalụ, ọchịchọ nke valves ji nwayọọ nwayọọ mụbaa.N'oge a, a na-eji ihe plastik eme ihe n'ọtụtụ ebe na ụlọ ọrụ mmepụta ihe, n'ihi ya, ụfọdụ ndị injinia malitere ịmụ ka esi etinye ihe eji eme ihe na-emepụta valves.A na-eji ihe polyvinyl chloride (PVC) rụpụta valvụ mbụ rọba, nke nwere ezigbo nguzogide corrosion, mana akụrụngwa ya adịghị mma ma dabara adaba maka obere nrụgide na ebe ọrụ dị ala.
Na 1960s, na-aga n'ihu na mmepe nke plastic technology, polypropylene (PP), polytetrafluoroethylene (PTFE) na ihe ndị ọzọ na-eji na-emepụta nke plastic valves.Ihe ndị a nwere ihe ndị na-arụ ọrụ nke ọma na nguzogide corrosion, ma nwee ike ime mgbanwe n'ọtụtụ ebe ọrụ.
N'afọ ndị 1970, na ntozu nke teknụzụ valvụ plastik, e webatara ụdị valvụ plastik ọhụrụ dị iche iche, dị ka valvụ polyvinyl fluoride (PVDF), valvụ nchara iko, wdg. imeghari na gburugburu ebe ọrụ na-achọsi ike.
Ná mmalite nke narị afọ nke 21, na-amụbawanye mmata nke nchebe gburugburu ebe obibi, ihe ndị a chọrọ maka valves na-adị elu ma dị elu.N'oge a, a na-eji ụfọdụ ihe ọhụrụ plastik mee ihe na-emepụta valves, dị ka polyetherketone (PEEK), polyimide (PI) na ihe ndị ọzọ dị elu nke plastik.Ihe ndị a nwere akụrụngwa akụrụngwa ka mma yana nguzogide corrosion, ma nwee ike izute ebe ọrụ na-achọsi ike karị.
Na nkenke, na mmepe nke ụlọ ọrụ kemịkalụ na teknụzụ na-aga n'ihu na-agbanwe agbanwe nke teknụzụ plastik, valvụ rọba enwetala mmepe nke ihe plastik na-arụ ọrụ dị elu site na mbụ PVC ihe ruo ugbu a, na-emeziwanye nguzogide corrosion ha, akụrụngwa akụrụngwa na oke. ngwa, na-aghọ ngwa dị mkpa na dị mkpa maka chemical, petrochemical na gburugburu ebe obibi nchebe ụlọ ọrụ.
Oge nzipu: Mar-02-2023