Calibrating Pressure & Temperature for Astoria Storm Espresso Machines

A perfect espresso shot requires precise 9 bar pressure, 92°C-94°C water temperature, and 25-30 seconds extraction duration.

1. Multi-boiler Temperature Stability

Astoria Storm 2GR FRC features independent group boilers controlling temperature within 0.2°C variance.

2. 9 Bar Pump Calibration

Proper pump pressure ensures balanced extraction of natural coffee oils without harsh bitterness.