| SNH660R46U8W2三螺杆泵 钢管轧制-脱管机区液压系统三螺杆泵SNH660三螺杆泵SNH660R40U8W2三螺杆泵/SNH660R40U12.1W2三螺杆泵/SNH660R40E6.7W2三螺杆泵SNH660R40U8W21三螺杆泵/SNH660R40U12.1W21三螺杆泵/SNH660R40E6.7W21三螺杆泵SNH660R40U8W23三螺杆泵/SNH660R40U12.1W23三螺杆泵/SNH660R40E6.7W23三螺杆泵SNH660R44U8W2三螺杆泵/SNH660R44U12.1W2三螺杆泵/SNH660R44E6.7W2三螺杆泵SNH660R44U8W21三螺杆泵/SNH660R44U12.1W21三螺杆泵/SNH660R44E6.7W21三螺杆泵SNH660R44U8W23三螺杆泵/SNH660R44U12.1W23三螺杆泵/SNH660R44E6.7W23三螺杆泵SNH660R46U8W2三螺杆泵/SNH660R46U12.1W2三螺杆泵/SNH660R46E6.7W2三螺杆泵SNH660R46U8W21三螺杆泵/SNH660R46U12.1W21三螺杆泵/SNH660R46E6.7W21三螺杆泵SNH660R46U8W23三螺杆泵/SNH660R46U12.1W23三螺杆泵/SNH660R46E6.7W23三螺杆泵SNH660R51U8W2三螺杆泵/SNH660R51U12.1W2三螺杆泵/SNH660R51E6.7W2三螺杆泵SNH660R51U8W21三螺杆泵/SNH660R51U12.1W21三螺杆泵/SNH660R51E6.7W21三螺杆泵SNH660R51U8W23三螺杆泵/SNH660R51U12.1W23三螺杆泵/SNH660R51E6.7W23三螺杆泵SNH660R54U8W2三螺杆泵/SNH660R54U12.1W2三螺杆泵/SNH660R54E6.7W2三螺杆泵SNH660R54U8W21三螺杆泵/SNH660R54U12.1W21三螺杆泵/SNH660R54E6.7W21三螺杆泵SNH660R54U8W23三螺杆泵/SNH660R54U12.1W23三螺杆泵/SNH660R54E6.7W23三螺杆泵SNH三螺杆泵结构特征1.SNH三螺杆泵采用单吸低压平衡结构.2.泵有螺杆1付（1主2从），泵套、机械密封、滚动轴各1套，滑动轴承3只。3.主动螺杆两头，从动螺杆一头。4.螺杆与螺杆，螺杆与泵套运行时理论上互不接触，故输送介干净，润滑性 好，螺杆泵的使用寿命非常长。SNH三螺杆泵密封及材料1.密封密封一般采用机械密封，根据输送介特性有时需采用填料密封。2.材料螺杆采用40Cr或38GrMoAl,泵套按以下原则选用1）根据介分类润滑油、液压油等泵套用球墨铸铁、重油、渣油、原油等泵套用锡青铜植物油、或含含碱等腐蚀性液体，采用不锈钢材料。2）根据压力分类低压泵套用球墨铸铁中高压泵套用锡青铜或巴氏合金SNH三螺杆泵应用1、作为沥青泵、输送泵、增压、泵用于公路建材行。2、作为燃油泵、喷油泵、油泵及输送泵用于供热设备。3、作为液压泵、润滑泵用于钢铁冶金行4、作为输送、增压、燃油喷射及液压润滑泵用于船舶行。5、作为装载泵、输送泵用于石油化工6、作为冷却、冲洗、润滑泵用于机械工 |
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