（长沙东方工业泵厂Tel: Fax: QQ:475946464）选购DF85-45*7需要注意些什么？
一，性能参数。本厂提供的参数如下：
型号:DF85-45*7流量:55-85-100立方米/小时（m³/E）;扬
程:357-315-273米（m）;电机功率:132KW;转速:2950转/分
钟（r/min）;电机型号:Y315M-2效率:63-72-70%;轴功率:84.88KW;必
需汽蚀余量:3.2-4.2-5.2米（m）,进口压力不得超过0.6MPa.
请核对具体参数，确保能满足使用要求；若欲选型号还不确定，请提供所需流量，扬程，电机功率，高差，管道长度，出水管道弯头角度情况及个数，管道的材质等，以便能为您选出最经济适用的型号；
DF85-45*7;DF85-45*7;DF85-45*7二，DF85-45*7的材质。常温范围（0℃－－80℃）内，打清水或者PH值为中性的类似水的物质，使用铸铁材质；介质温度在0℃－－80℃范围内，固体颗粒含量不大于1.5%（粒度小于0.5毫米）及类似的其它污水，要求泵具备耐磨性能时，使用铸钢或者球墨铸铁材质；介质温度在-20℃－－105℃范围内，不含固体颗粒，有腐蚀性，略带酸性或碱性的介质， PH值范围在5-9之间，使用304不锈钢材质；酸碱度比较大的介质，如4以下或10以上时，使用316 或316L；若处于海水环境，可考虑使用双相钢材质。您可以根据以上要求，选择适合的材质。DF85-45*7;DF85-45*7;DF85-45*7三， 您可以从本厂享受的配套采购服务：除DF85-45*7的泵及底座外，本厂还可配套提供电机（包括普通电机，高压电机及防爆电机），底阀，闸阀，止回阀，进出口法兰，自耦减压控制柜，变频控制柜，变径等。泵本身各种配件均厂价供应。 泵的密封形式有填料密封，机械密封和波纹管机封三种。一般情况下，使用填料密封；不允许泄漏或者输送腐蚀性流体等特殊情况下，使用机械密封；高温情况下，使用波纹管机封；DF85-45*7;DF85-45*7;DF85-45*7四，若需配套提供DF85-45*7的电机，请告知电压，防爆电机请提供防护等级，绝缘等级；若无特殊要求，本厂将按普通电机防护等级IP23，防爆等级IP54，电压380/660V的标准供货）；五，五， 厂家情况。本厂原来长沙水泵厂分厂之一，自1987年起即从事D/DF/DM/MD/DY/DG型多级离心泵，R型热水循环泵，S/SA/SH型中开泵，AY型油泵，冷凝泵,IS/IH泵的生产；拥有严格的品质管理体系，有动平衡机。1997年改制独立。25年的专注和积累，铸就了卓越的品质和良好的信誉。选择老厂，后顾无忧！DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7;DF85-45*7;DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF85-45*7,DF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