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首页 > 供应产品 > 高温高粘型椭圆齿轮流量计
高温高粘型椭圆齿轮流量计
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最后更新: 2012-02-08 15:25
 
详细信息
高温高粘型椭圆齿轮流量计
FG系列
原理                                                                                   
由计量箱和装在计量箱内的一对椭圆齿轮,与上下盖板构成一个密封的初月形空腔(由于齿轮的转动,所以不是绝对密封的)作为一次排量的计算单位。当被测液体经管道进入流量计时,由于进出口处产生的压力差推动一对齿轮连续旋转,不断地把经初月形空腔计量后的液体输送到出口处,椭圆齿轮的转数与每次排量四倍的乘积即为被测液体流量的总量      
结构                                                                                   
"椭圆齿轮流量计由流量变送器和计数机构组成。变送器与计数机构之间加装散热器,则构成高温型流量计。变送器由装有一对椭圆齿轮转子的计量室和密封联轴器组成,计数机构则包含减速机构、调节机构、计数器、发讯器。
"            
应用                                                                                   
适用于沥青.润滑油.植物油.柴油.石油.渣油.煤油.机油.汽油.重油.燃料油.导热油.原油.轻油.绝缘油.液压油.等多种油产品 
技术参数                                                                                  
●公称通径(mm)                          DN10~DN200                                                      
●被测液体粘度:                            2~3000(mPa.s)                                                       
●防护等级:                            IP65(特殊订制IP68)                                              
●重复性误差:                         测量值的±0.2、±0.5                                                  
●精度等级:                            0.2,0.5%级                                                  
●被测介质温度:                            常温型: -45~100℃                                           
                                       高温型: +60℃~200℃                                                
                                       超高温型:200℃以上                                                    
●额定工作压力:(高压可定制)            铸铁:≤1.0MPa                              
                                             不锈钢:≤1.6MPa                                         
                                                 铸钢:≤2.5MPa(4MPa,6.5MPa可选)     
●输出信号:                            脉冲信号或者4-20mA电流信号                                 
●电流输出:                            负载电阻                     0~10mA:0~1.5kΩ                                                                     4~20mA:0~750 Kω                            
●数字频率输出:                            输出频率上限可在1~5000HZ内设定带光电隔离的晶体管集电极开路双向输出。外接电源≤35V导通时集电极最大电流为250mA                                                    
       
FG型                                                                                                                           
流量计,基础元件为不锈钢或合金。适用介质:油液介质。最大工作压力6.5Mpa.介质温度-45…280℃。电源:DC24 AC220V。保护级别IP68.适用管径10-200mm(另有重装高配系列)                                                                                                                                                                          
                                                                                                                                                                                                   
                                  
            进口齿轮流量计 齿轮流量计
进口流量计                                                                                                          
                                                                                                                                                                
                                                                            

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