Medical Gas Pipe Sizing Calculator
Size medical gas piping per NFPA 99 for oxygen, vacuum, medical air, and nitrous oxide systems.
Inputs
Results
Branch Pipe Size
1 in
Main Pipe Size
1.25 in
Est. Pressure Drop0.34 PSI
Total Design Flow96 LPM
How to Use This Calculator
- Enter Number of Outlets, Gas Type, and Oxygen.
- Set Vacuum (Suction), Medical Air, and Nitrous Oxide.
- Adjust Flow Rate per Outlet (LPM) as needed.
- Review Branch Pipe Size (in) and Main Pipe Size.
- Use Est. Pressure Drop (PSI) and Total Design Flow (LPM) to inform your decision.
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