Ivalvu ekrelekrele ye-electro-pneumatic Positioner

I-valve positioner, eyona nto iphambili kwi-valve elawulayo, i-valve positioner yeyona nto iphambili kwi-valve elawulayo, esetyenziselwa ukulawula inqanaba lokuvula kwe-valve yomoya okanye yombane ukuqinisekisa ukuba i-valve inokuma ngokuchanekileyo xa ifika kwindawo emiselweyo. Ngokulawula ngokuchanekileyo kwe-valve positioner, ukulungiswa ngokuchanekileyo kolwelo kunokufezekiswa ukuhlangabezana neemfuno zeenkqubo ezahlukeneyo zoshishino. I-valve positioners zahlulwe zibe yi-pneumatic valve positioners, i-electro-pneumatic valve positioners kunye ne-intelligent valve positioners ngokwesakhiwo sazo. Zifumana isignali yokuphuma yomlawuli kwaye emva koko zisebenzise isignali yokuphuma ukulawula i-pneumatic regulating valve. Ukufuduka kwesiqu se-valve kubuyiselwa kwi-valve positioner ngesixhobo somatshini, kwaye imeko ye-valve position idluliselwa kwinkqubo ephezulu ngesignali yombane.

Izikhombisi zevalvu zomoya zezona ntlobo zilula, zifumana kwaye zondla imiqondiso ngezixhobo zoomatshini.

I-electro-pneumatic valve positioner idibanisa iteknoloji yombane kunye ne-pneumatic ukuphucula ukuchaneka kunye nokuguquguquka kolawulo.
I-valve positioner ekrelekrele yazisa itekhnoloji ye-microprocessor ukuze kufezekiswe ukuzenzekelayo okuphezulu kunye nolawulo olukrelekrele.
Izikhombisi-ndlela zeevalvu zidlala indima ebalulekileyo kwiinkqubo zokwenza izinto ngokuzenzekelayo kwimizi-mveliso, ingakumbi kwiimeko apho kufuneka ulawulo oluchanekileyo lokuhamba kolwelo, njengemizi-mveliso yamakhemikhali, ipetroli, kunye negesi yendalo. Zifumana imiqondiso evela kwinkqubo yolawulo kwaye zilungise ngokuchanekileyo ukuvulwa kwevalvu, ngaloo ndlela zilawula ukuhamba kolwelo kwaye zihlangabezane neemfuno zeenkqubo ezahlukeneyo zoshishino.