YL型系列特种耐磨砂浆泵 国家专利号：ZL932319664.5 YL型系列特种耐磨砂浆泵采用本厂配制的特种耐磨橡胶直接压制在泵壳内表面，形成极耐磨的泵内腔，解决了可换式橡胶衬里易击穿、鼓包而致报废的缺憾，其使用寿命之长为众口称道。 所有配件均可与意大利PEMO泵互换 YL type serial sepcial wearable sand pump patent number:ZL932319664.5 YL type serial special wearable sand pump adopts our special wearing rubber directly pressed onto the inside surface of pump thus forming wearing lumen, so that the lining of rubber is no longer easely easily ;punctured and has a ong life. All the fittings can be exchanged with PEMO pump from Italy.