Ductile iron wafer butterfly valavu, kugwirizana ndi Mipikisano muyezo, kulumikizidwa ndi PN10, PN16, Class150, Jis5K/10K, ndi mfundo zina za payipi flange, kupanga mankhwala ambiri padziko lapansi. ndi oyenera ntchito zina wamba monga mankhwala madzi, zimbudzi, otentha ndi ozizira mpweya, etc.