Iyi valve ikozwe mu cyuma cya karuboni gikozwe mu byuma bicuzwe kandi ikora nk'igice cy'ingenzi mu guteranya valve z'inganda. Yagenewe kwihanganira imikorere ikomeye nko gushyuha cyane, kugenda kenshi, n'ubushyuhe buhindagurika. Igice cyakozwe neza ku buryo kidashobora guhagarara neza, gitanga ubushobozi bwo gufunga neza, guhuza neza imiyoboro, no guhuza neza imiterere y'urukiramende. Iyo bibaye ngombwa, umubiri ushobora kandi gukorwa mu byuma bitangiza amashanyarazi (304, 316, cyangwa 316L) kugira ngo bikoreshwe mu bintu bihumanya cyangwa bisukuye.