Are there any standards available for the design of the rubber lining thickness in electromagnetic flowmeters?
Thread Content
Are there any standards available for the design of the rubber lining thickness in electromagnetic flowmeters? Thank you
I searched through a lot of information but couldn’t find it. You can refer to GB/T 18659-2002 and GB/T 18660-2002
This post was last edited by 955559 on 2018-8-14 at 17:34. The working principle of the wastewater flow meter is based on Faraday’s law of electromagnetic induction. In an electromagnetic flowmeter, the conductive medium inside the measurement tube functions as the conductive metal rod in Faraday’s experiment, with two electromagnetic coils at the upper and lower ends generating a constant magnetic field. An induced voltage is generated when a conductive medium flows through it. The two electrodes inside the pipe measure the induced voltage generated. The measuring tube achieves electromagnetic isolation from the fluid and the measuring electrodes through a non-conductive lining (rubber, Teflon, etc.).
Thank you. I know how it works; I just want to know how to choose the thickness of the lining Are there any standards that specify the thickness of the lining? If there are no standards specifying the thickness, can it be whatever thickness is desired? For example, for DN1000, should one choose 3mm, 4mm, or 5mm?