Diaphragm metering pump problem
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Where does the electric contact pressure gauge on the pump body measure the pressure? Please help me guys. Thank you!
Please follow the line on the pressure gauge to find the pressure sensor. My initial guess is that it measures the pressure in the pump chamber.
If it is a double diaphragm, the pressure between the two diaphragms may be measured. When the diaphragm ruptures, the pressure rises and an alarm is given.
Is this a hydraulic diaphragm metering pump? Does it measure oil pressure? When the oil exceeds a certain value, it will alarm or stop the pump. It will act as a double insurance along with the safety valve.
Measure the pressure of hydraulic oil in double diaphragms, and alarm if the diaphragm ruptures.
As @tianyewei and @hyhpsp said, it should be.
To measure the pressure of the diaphragm, some have a small on-site meter.
Measure the pressure of the hydraulic oil in the double diaphragm. As long as there is no problem with the hydraulic oil pressure, it is safe for the diaphragm pump to discharge the pressure.