What should be the ideal pressure of R22 gas?

Gass pressure for refrigerant r22

The pressure​ of gas r22 for type of   Split, window,floor standing AC and wall mounted unit pakage unit is 65–70 PSI while unit is ON. If pressure of gasinside your AC/unit is less than 65 PSI - 70 PSI then go for refilling other wise not. Ideally the pressure for  unit/

AC should be between 65 - 70 PSI while the AC is running.