Equal efficiency
0 bar
Pint = √(Php × Pbp)
LP ratio
HP ratio
Sand Hold
0.35 bar
Pint = √(Php × Pbp) + 0.35
LP ratio
0.07
HP ratio
108.57
Intermediate pressure : Optimal pressure between low and high pressure stages of a two-stage refrigeration system.
Equal efficiency : Method that balances compression ratios Sand Hold : Empirical method with +0.35 bar correction