PENTAIR pwt水泵配件，南京埃尔塔泵业 ，批量价PWT水泵机械密封，轴，叶轮，联轴器，注销，轴承等，型号： PWT 50-32-125S, PWT 50-32-160S,PWT 50-32-200S, PWT 50-32-250S, PWT 65-50-125S, PWT 65-50-160S, PWT 65-40-200S, PWT 65-40-250S, PWT 65-40-315S, PWT 80-65-125S, PWT 80-65-160S, PWT 80-50-315S, PWT 100-80-125S ，PWT100-80-160S，PWT100-65-200S，PWT100-65-250S，PWT125-80-200S，PWT125-100-200S，PWT125-80-250S,PWT125-100-250S,PWT125-80-315S,PWT125-100-315S,PWT125-80-400S,PWT125-100-400S,PWT150-125-200S,PWT150-125-250S,PWT150-125-315S,PWT150-125-400S,PWT200-150-315S,PWT200-150-400S,PWT200-150-500S,PWT250-200-315S,PWT250-200-400S,PWT250-200-500S,PWT300-250-315S,PWT300-250-400S,PWT300-250-500S,PWT350-300-315S,PWT350-300-400S,PWT350-300-500S