ʻO ka wehewehe pōkole:

pahu pahu pahu lima ala 3 alaʻO ia ka ʻāpana pani a i ʻole ka plunger shaped rotary valve, ma ka hoʻohuli ʻana i nā degere 90 e hana i ke awa ma ka pahu pahu a me ke kino o ka pahu i like a ʻokoʻa paha, wehe a pani paha i kahi pahu.He cylindrical a conical paha ke ʻano o ka plug o ka valve plug.I loko o nā puʻupuʻu cylindrical, maʻa mau ʻano ʻāpana ʻehā;I loko o ka pahu i hoʻopaʻa ʻia, he trapezoidal ke kahawai.Hoʻomaʻamaʻa kēia mau ʻano i ke ʻano o ka valve plug, akā i ka manawa like e hana i kekahi poho.ʻOi aku ka maikaʻi o ka valve plug no ka ʻoki ʻana a me ka hoʻopili ʻana i ka medium a me ka diversion, akā ma muli o ke ʻano o ka noi a me ke kūpaʻa ʻana o ka erosion o ka ʻili hoʻopaʻa, i kekahi manawa hiki ke hoʻohana ʻia no ka throttling.No ka mea, ʻo ka neʻe ʻana ma waena o ka ʻili hoʻopaʻa ʻana o ka valve plug he hopena holoi, a i ka wā e wehe piha ai, hiki iā ia ke pale loa i ka hoʻopili ʻana me ke kahe kahe,

NORTECHis kekahi o na alakai Kina pahu pahu pahu lima3 ala hoʻopili pahu   Mea Hana & Mea Hoolako.