NSEN imapereka mawonekedwe abi-directional ndi uni-directional kwamakasitomala, ndi kulumikizana kwa Wafer mtundu, Double flange mtundu, Lug mtundu ndi Butt Weld mtundu.Kuti muchepetse kusankha kwanu kwa valve, wothandizira akatswiri adzaperekedwa mutatitumizira tsatanetsatane wa momwe ntchito ikugwirira ntchito.Kuti mumve utumiki wathu woona mtima, tumizani kufunsa kwanu tsopano!