The pressure is measured using equipment whose medium is hydrogen peroxide. Do I need a diaphragm pressure gauge?

Has anyone encountered it? If anyone knows, let me know.

You need it. Hydrogen peroxide is also a strong oxidant. I guess you need to use 316L. The following is the information you searched for. Take a look for yourself. The concentrations of hydrogen peroxide (H2O2) are: 27.5%, 31%, 50%, 70%. No matter which concentration, it is Category A. {; Y9 @; L) m# B, m6 x+ B The design of hydrogen peroxide storage tanks, tank areas, and pipelines can refer to relevant standards. There are a few points to note: The storage tank should be equipped with a vent port. In order to prevent impurities from falling in, a filter should be installed in the vent. ； (This is important if there are alkaline impurities around) The storage tank should be equipped with a spray device to prevent the rapid decomposition of hydrogen peroxide under high temperature conditions. If the concentration is 50% or 70%, a dilution pipe should be installed into the storage tank, especially 70% ； * * * (At the same time, pay attention to the quality of the water used for dilution. There must be no alkaline impurities and organic matter that can easily cause the decomposition of hydrogen peroxide. ) Hydrogen peroxide is highly corrosive, and a flushing spray system should be installed in the tank area to ensure personal safety. ； Tank material: 70% hydrogen peroxide—— 316L ； >50%, best to use - 316L, but 304L can also be used, it is recommended not to use 304 ； Storage tank handling: Pickling and passivation are very important. It is best to ask a professional company to handle it. If you handle it yourself, you can refer to the stainless steel pipe cleaning method. Use a leak-free, magnetic pump is a good choice (pay attention to the material) valve: Using 316L/304L stainless steel ball valve, one side of the valve core is drilled, with a diameter of 2-3mm. ； (To prevent hydrogen peroxide from being wrapped in the valve core, the installation unit can generally drill the hole but pay attention to the grinding of the valve core) ； Flange gasket: PTFE material ； Pipe welding: The breach is paved with argon arc welding and the cover is double-layer welded with electric welding. ； The pipeline should be easy to clean and the following settings should not be allowed:: (The middle section cannot be cleaned) Pipe installation process: Welding-installation-disassembly-cleaning-installation ； The pipeline should have an inclination of 3%-5% ； The hydrogen peroxide pipe cannot be closed. If the hydrogen peroxide pipe must be closed, attention should be paid to setting up a vent valve (to prevent the pressure rise caused by the decomposition of the hydrogen peroxide, to avoid accidents during use, and to drain the hydrogen peroxide in the pipe when not in use). The pipe should be equipped with a safety valve. ； Pipe material reference tank material ；