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I-NSEN igxile ku-valve ye-butterfly kusukela ngo-1983, Umkhiqizo wethu oyinhloko ohlanganisa:

I-Flip ene-eccentricity ephindwe kabili/kathathu

I-Damper yomoya oshisa kakhulu

I-Valve ye-Butterfly Yokukhipha Usawoti Emanzini Olwandle

Izici zesakhiwo esingavamile kathathu

I-M eqinilei-etalSi-ealing

Ukuvalwa Kweziqondiso Ezimbili

Ulwandle Olungashintshwai-ling pair

Isakhiwo Sokuphepha Esiphindwe Kabili

Umklamo Ophephile Emlilweni

Ngaphandle Kwendawo Efile

Impilo Ende Yenkonzo

Akukho ukuvuzaukusebenza kokuvala

Izinga lokushisa eliphezulu, Umfutho ophezulu, ukumelana nokugqwala

Yenza ngokwezifiso ukuze kusebenzeke esimweni esikhethekile