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Discharge Temperature Calculator

GPSA thermodynamic methods

Discharge Temperature Calculator
Predict compressor discharge temperature from suction conditions, pressure ratio, and efficiency. Critical for ensuring equipment stays within temperature limits per API 617.

Suction Conditions

°F
psia

Discharge Conditions

psia

Gas Properties & Efficiency

Cp/Cv
%

Temperature Limits (Optional)

°F
Typical limit: 300-350°F for natural gas service

Temperature Limits

  • Natural gas: 300-350°F max
  • Refrigerants: 250-300°F max
  • Seal limits: Often 350°F
  • If T₂ too high: Add intercooling, reduce ratio, or lower T₁

Standards & References

  • API 617
    Centrifugal Compressor Temperature Limits
  • GPSA
    Section 13: Compressors