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针对管件特点，将真空密封造型和消失模铸造结合，采用国产普通ＥＰＳ制模，实现了消失模铸造球铁管件大批量流水生产。消失模铸造生产线单班月产ＤＮ６００ 以下各类合格管件超过４００ｔ，产品质量符合ＩＳＯ２５３１ ：１９９８（Ｅ） 要求
According to the characteristics of the pipe fittings, the vacuum sealing model is combined with the lost foam casting, and the ordinary EPS model made in China is used to realize the mass production of the ductile iron pipe fittings in the lost foam casting. Lost Foam Casting Production Line Single class monthly production of DN600 following types of qualified pipe more than 400t, product quality in line with ISO2531: 1998 (E) requirements