Oxygen, Nitrogen, and Argon Pressure Regulating Equipment

2025 | 11 | 21

Regarding oxygen, nitrogen, and argon pressure regulating equipment, the following content integrates the types, key characteristics, and selection points of mainstream devices in the market, hoping to help you make a suitable choice.

 

The table below summarizes the core information of different types of pressure regulating equipment, making it easy for you to quickly understand and compare.

 

Equipment type

Core functions

Key technologies/components

Main characteristics

Applicable scenarios/notes

Universal pressure regulating valve group

 

Reduce the pressure of high-pressure gas and stabilize it to the required pressure

 

Globe valve, pressure regulating valve, filter, safety valve, pressure gauge, vent valve

 

 -Integrated design, compact structure

-Voltage regulation accuracy is about ± 5%

-The pipeline has undergone degreasing treatment, ensuring cleanliness and safety

 

Pressure regulation of main and branch networks for gases such as oxygen, nitrogen, argon, etc;

Steel, chemical, oxygen production stations, etc

 

High pressure gas station system

 

Pressurize, vaporize, depressurize, and stabilize liquid gases (such as liquid nitrogen and liquid argon)

 

Low temperature storage tank, booster pump, vaporizer, stabilizing buffer tank, inlet valve group

-Complete system solution

-Multiple security protections

-Pressure and temperature closed-loop control

 

Supply gas to equipment such as aerosolization equipment that requires high pressure and stable gas sources

 

 High precision control device

 

Realize automatic adjustment of gas pressure and high-precision proportioning

PLC (Programmable Logic Controller), mass flow meter/controller, solenoid valve, configuration software

 

-Automated control, capable of unmanned operation

-High control accuracy (such as valve accuracy ± 1%)

-Data recording and remote monitoring

 

Suitable for high-pressure testing, scientific research, and production processes with precise requirements for gas pressure or mixing ratios

 

 

Selection and usage precautions

 

When selecting and using a voltage regulator, the following key points need to be particularly noted:

 

1. Clarify process requirements:

Firstly, determine your gas type, inlet pressure, required outlet pressure range, flow requirements, and control accuracy. For example, the stainless steel pressure regulator on Alibaba can achieve an inlet pressure of 2200 psi and an outlet pressure adjustment range of 0-250 psi.

2. Pay attention to materials and safety:Material compatibility: For gases with oxidation or high activity such as oxygen, stainless steel pipelines that have undergone strict degreasing treatment must be selected to prevent safety accidents. 316 or 316L stainless steel is a commonly used material due to its excellent corrosion resistance.Safety device: Ensure that the pressure regulating device is equipped with a safety valve and pressure gauge, which is the basic guarantee for the safe operation of the system.


3. Automation and control level:

Determine whether automation functions are needed based on your operational needs. The PLC control system can achieve automatic PID pressure regulation, data recording, remote monitoring and alarm, greatly improving stability and efficiency, and reducing labor costs.

4. Safe use and maintenance:When opening the gas cylinder valve, the action must be slow to prevent high-speed airflow from damaging the pressure regulator or generating static electricity.Before installation, the bottle valve can be slightly opened to blow away dirt and prevent dust and moisture from entering the pressure regulator.The pressure regulator must be regularly calibrated, and the pressure gauge also needs to be inspected regularly to ensure its accuracy and reliability.If the pressure regulator freezes, it should be thawed with hot water or steam, and flame baking should never be used.

 

 summary

Overall, if your requirement is basic gas pressure reduction, a universal pressure regulating valve group may be sufficient. If it involves the storage and gasification of liquid nitrogen and liquid argon, a high-pressure gas station system needs to be considered. If there are extremely high requirements for pressure stability and control accuracy, or if automated production is needed, then a high-precision control system integrated with PLC is a better choice.

/ FLS /

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