Is it necessary to pay special attention when selecting instruments when the medium contains oxygen?
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For pressure gauges used with oxygen as the measuring medium, it is necessary to use specialized chemical industry pressure gauges – oxygen pressure gauges. Are there any considerations to keep in mind when selecting temperature instruments, pressure transmitters, flow meters, and control valves? Should I just choose based on ordinary media? Also, since the medium contains oxygen and other gases, should the instrument selection be the same as that for pure oxygen in the medium?
The medium contains oxygen and other gases; be careful with oils and fats
This post was last edited by piaopingke on 2015-9-9 17:01. The key question is: what is the oxygen concentration? Air also contains oxygen :); therefore, gauges and flow meters used to measure air pressure do not require degreasing.
Be careful with the oxygen measuring instruments, as they can explode easily. You can consult me regarding selection issues.
The oxygen flow rate is also taken into consideration.
In an oxygen environment, in addition to avoiding oils and fats, certain materials must also be avoided, such as copper.
The medium contains oxygen; being the medium is oxygen are two completely different concepts. The medium contains oxygen; it is also necessary to consider factors such as the oxygen concentration and pressure. Such issues require specific data to make a judgment. Pure oxygen has specific requirements. Other inert gases containing 1% oxygen can be considered safe gases.
Pressure and concentration: refer to the design specifications for oxygen stations
The standard treatment involving the exclusion of oil and fats is quite troublesome, as there are too many requirements regarding valves
What are the requirements for pure oxygen? What should be considered when selecting pressure gauges and flow meters? I have ones that measure pure oxygen as well as those that contain oxygen along with other gases, but I don’t know the oxygen content