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Valve Pressure Reference and Conversion

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Valve Pressure Reference and Conversion

PN Bar MPa Lb Grade K
20 2 150 10
50 5 300 20
63 6.3 400 30
100 10 600 45
150 15 900 65
250 25 1500 110
337 33.7 2000 140
420 42 2500 180

1 pound per square inch (psi) = 0.006895 megapascals (MPa) = 0.0703 kilograms per square centimetre (kg/cm²) = 0.0689 bars (bar) = 0.068 atmospheres (atm)

1 bar = 0.1 MPa = 14.503 psi = 1.0197 kg/cm² = 0.987 atm

1 atmosphere (atm) = 0.101325 megapascals (MPa) = 14.696 pounds per square inch (psi) = 1.0333 kilograms per square centimetre (kg/cm²) = 1.0133 bar

1 megapascal (MPa) = 145 pounds per square inch (psi) = 10.2 kilograms per square centimetre (kg/cm²) = 10 bar = 9.8 atmospheres (atm)   

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