Ngezingxenye ze-valve yokuphonsa,insimbi engagqwalikanye ne-ductile (spheroidal graphite) iron cast ama-alloys amabili asetshenziswa kakhulu ngobai-ducitle cast ironibe nokusebenza okungcono kakhulu kwe-anti-rust kanye nensimbi engagqwali isebenze kahle ekumelaneni nokushisa nokumelana nokugqwala. Asetshenziselwa ukukhiqiza:
- I-Butterfly ne-Ball Valve Bodies (I-Ductile Cast Iron noma i-Cast Stainless Steel),
- Ama-Butterfly Valve Discs (Insimbi Engagqwali noma I-Ductile Iron),
- Izihlalo zeValve (I-Cast Iron noma i-Cast Stainless Steel)
- I-Centrifugal Pump Bodies and Cover (SS noma i-Ductile Iron)
- Izigqugquzeli Zephampu Namakhava (Insimbi Engagqwali, Insimbi Engagqwali ye-Duplex)
- Izindlu Zokuthwala Iphampu (Insimbi EyiGrey noma Insimbi Yengxubevange)