Is it feasible to fill the tank with nitrogen up to 5 kPa using a control valve on the nitrogen inlet pipe?
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Is it feasible to fill the tank with nitrogen up to 5 kPa, install a pressure transmitter on the tank, and a control valve on the nitrogen inlet pipe of the tank? In that case, does the control valve open fully at the beginning of this process, with its opening degree gradually decreasing? When the pressure inside the tank approaches 5 kPa, the valve’s opening degree becomes very small. Does this entire process take a long time? Because in the end, the control valve supplies nitrogen into the tank at a very small opening degree.
It’s feasible; originally a stand-alone type was used, but since its performance wasn’t good, it was replaced with a control system that uses a regulating valve to adjust pressure
It will definitely work; the performance is better than that of self-acting types.
1. Self-acting valve for low pressure – is there lard in one’s mind? ~~~~~~~~~~~~~~ :lol 2. Control valve for low pressure – could there be stinky tofu in one’s mind? ～～～～～～ :lol 3. Fine-tuning the pressure is really up to you; I doubt you have the skill to do it accurately. How stable can you get the adjustment? For example, with your door, can you manage to achieve a pressure of (5kPa±5Pa)? (5 kPa ± 50 Pa); I guess you guys might not necessarily be able to adjust it either, right? 4. Besides, for a large tank, if the pressure is adjusted too steadily, it seems like it isn’t very useful anyway, right? So, if 5 kPa is the target pressure for control, then use a solenoid valve: it opens when the pressure reaches 4.5 kPa to trigger an alarm, and it closes when the pressure reaches 5 kPa to stop the alarm. It’s a simple way of controlling it, right? 5. Medium, medium, medium; my brother is a migrant worker from Henan. :lol