Medical Gas Piping Systems

Medical gas systems include various compressed air types, oxygen, nitrous oxide, carbon dioxide, nitrogen, and vacuum systems for different medical applications.

Compressed Air Systems

Medical and Surgical

• Common delivery pressure: ~50 psig (~3.5 bar)
• Low pressure dedicated system for medical and surgical use only

High Pressure Instrument

• Common delivery pressure: ~120 psig (~8 bar)
• High pressure system for pneumatic equipment

Laboratory

• Common delivery pressure: ~30 psig (~2 bar)

Dental

• Common delivery pressure: ~90 psig (~6 bar)

Gas Systems

Oxygen

• Common delivery pressure: ~50 psig (~3.5 bar)

Nitrous Oxide

• Common delivery pressure: ~50 psig (~3.5 bar)

Carbon Dioxide

• Common delivery pressure: ~50 psig (~3.5 bar)

Nitrogen

• Common delivery pressure: ~160 psig (~11 bar)

Vacuum Systems

Surgical/Medical

• Common vacuum pressure: ~50% (15 inHg gauge, 500 mbar abs)

Waste Anesthesia Gas Disposal (WAGD)

• Common vacuum pressure: ~50% (15 inHg gauge, 500 mbar abs)

Laboratory

• Common vacuum pressure: ~50% (15 inHg gauge, 500 mbar abs)

Dental

• Common vacuum pressure: ~50% (15 inHg gauge, 500 mbar abs)

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Reference: NFPA 99: Health Care Facilities