NSEN ke fektheri ea valve ea Butterfly, re tsepamisitse maikutlo sebakeng sena ka lilemo tse fetang 30. Setšoantšo se ka tlase ke odara ea rona ea pele ka thepa ea CF8 'me ntle le pente, e bontša matšoao a hlakileng a' mele.

Mofuta oa valve:

Ho tiisa ka tsela e le 'ngoe

moralo oa li-offset tse tharo

Ho tiisoa ka laminated

Thepa e fumanehang: CF3, CF8M, CF3M, C95800, 5A, 4A, 6A, Hastelloy, Titanium jj.

Rea u amohela ho ikopanya le rona bakeng sa tlhaiso-leseling e batsi