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中海德(福建)工业设备有限公司主营产品:DCS集散式控制系统、PLC可编程控制器、数控系统、(CPU处理器、模块、卡件、控制器、伺服驱动、工作站、驱动器、 内存卡、 电源,机器人备件等)各类工控产品
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AB 1746,1747,1756, 1769 ,1794系列 PLC CPU,Siemens 6ES7系列,Foxboro系统卡件,Triconex系统模块,Rexroth力士乐全系列产品,Modicon停产模块 等各类工控产品,Schneider(施耐德) 140系列PLC,CPU,Ovation 系统模块,中海德(福建)工业设备有限公司
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Vickers威格士DG5V8H3C1MUB10V锥流量计其工作原理和孔板流量计相同。介质通过V锥时,由于阻流件V锥的存在,使得流体的流过面积发生变化,流速发生变化,根据伯努利方程,流速变化引起了压力的变化,该压力的变化与流速之间有的关系。通过测量该压力差达到测量流量的目的。虽然与孔板原理一样,但是本质的区别在于孔板为中心收缩型节流装置,而V锥为边壁收缩型节流装置。V锥和孔板比较,V锥的信噪比要小的多。由于信噪比小,V锥在小流量测量时,即使测量的差压在较小的工况下也可以地进行测量。