Pounds Per Square Inch - Magnitude

Magnitude

In liquid: pressure per square inch (psi)

  • Blood Pressure – Average human blood pressure (120/80): 2.32psi/1.55psi
  • Water jet cutter: 40,000–100,000 psi
  • Commercial jet airliner hydraulic pressure: 3000 psi
  • Boost Pressure Provided By an Automotive Turbocharger(common):Pg = 6–15psi
  • Atmospheric pressure at sea level (standard): Pa = 14.7 psi
  • Automobile tyre overpressure (common): Pg = 32 psi
  • Bicycle tyre overpressure (common): Pg = 65 psi
  • Workshop or garage air tools: Pg = 90 psi
  • Air brake (rail) or Air brake (road vehicle) reservoir overpressure (common): 90 psi ≤ Pg ≤ 120 psi
  • Road racing bicycle tire overpressure: Pg = 120 psi
  • Steam locomotive fire tube boiler (UK, 20th century): 150 psi ≤ Pg ≤ 280 psi
  • Union Pacific Big Boy steam locomotive boiler: 300 psi
  • Natural gas pipelines: 800 to 1000 psi
  • Full SCBA Self Contained Breathing Apparatus for toxic atmospheres: 2216 psi
  • Full scuba tank overpressure (common): Pg = 3000 psi
  • Airbus A380 hydraulic system: 5000 psi
  • Ultimate strength of ASTM A36 steel: 58,000 psi
  • Inch of water: 0.036 psi

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