Pressurizing Argon Gas: Pump or Compressor Options?

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SUMMARY

The discussion focuses on selecting a suitable pump or compressor for pressurizing argon gas from 1 bar to 2 bar at a flow rate of 0.5 LPM. A miniaturized diaphragm pump is suggested as a viable option, with the peristaltic pump also mentioned as a compact alternative. Key considerations include the operational temperature range, cleanliness of the argon gas, and whether a constant flow rate or regulated pressure is required. Participants emphasize the importance of understanding power supply availability and the specific size requirements for the equipment.

PREREQUISITES
  • Understanding of argon gas applications in welding
  • Knowledge of pump types, specifically diaphragm and peristaltic pumps
  • Familiarity with pressure measurement and flow rate concepts
  • Awareness of contamination issues in gas handling
NEXT STEPS
  • Research miniaturized diaphragm pump specifications and suppliers
  • Investigate peristaltic pump capabilities for gas pressurization
  • Learn about argon gas cleanliness standards and contamination prevention
  • Explore power supply options suitable for small-scale gas compression
USEFUL FOR

Engineers, technicians, and hobbyists involved in gas handling, particularly those working with argon in welding applications or requiring compact pressurization solutions.

Shirish g
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I need to pressurized argon gas from 1 bar pressure to 2 bar pressure. Flow rate outlet is 0.5 LPM. Can anybody suggest me a pump or compressor which is small in size? Minitiarised diaphragm seems good option but is it right one?
 
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Welcome to PF.
What temperature range for operation?
Is cleanliness or contamination of the Ar a problem?

Do you require a constant flow rate or a regulated pressure in a reservoir tank?
Compressed argon is used as a shielding gas for welding.

Please give a link to the best pump you have yet found.
You need to know if anyone can see a problem with your selection, or can suggest an improvement.
How small is small?
What power supply is available?

The smallest pump that might do the job could be a peristaltic pump. They are widely available on the web.
 

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