|
|
Diaphragm pressure gauge structure principle and purpose
Release time:
2017-10-20 14:26:34 |
|
When the pressure of the measuring medium P acts on the diaphragm, the diaphragm deforms and compresses the sealing liquid of the pressure gauging system of the pressure gauge to form the pressure gauge structure diagram of the diaphragm pressure gauge of the P-ΔP diaphragm pressure gauge. When the diaphragm stiffness is small enough, then △ P is also very small, pressure gauge pressure measurement system is close to the pressure of the media.
When we measure the pressure of general gas, water and oil, we can use general pressure gauge: when measuring nitric acid. Phosphate, alkali pressure, available stainless steel pressure gauge. However, when the medium to be measured is highly corrosive (hydrochloric acid, wet chlorine, ferric chloride), it has a high viscosity (such as latex), easy to crystallize (such as salt water), easy to set There are solid floating objects (such as sewage), then the above pressure gauge is not feasible, because it is SUS316 stainless steel tube will be hydrochloric acid corrosion, asphalt and sewage in the float will quickly pressure gauge pressure port plugged, Leaving the instrument loses the use function. Diaphragm pressure gauge can solve these problems, people can choose according to different strong corrosive media and different anti-corrosion diaphragm material and play a preservative effect. |
|
|
