At what pressure are discharge gauges typically calibrated?

Discharge gauges are typically calibrated at a pressure of 600 psi because this is a standard pressure that allows for accurate readings across a variety of scenarios encountered in fire service operations. Calibration at this level ensures that the gauge can perform accurately when measuring pressures within a range that is common in firefighting situations.

Using a standard calibration pressure helps maintain consistency and reliability in measurements, which is critically important for operators who rely on these readings to assess the performance of the pump and the operation of fire suppression systems. It enables the pump operator to verify that the discharge pressure meets the requirements needed to effectively deliver water to the firefighting efforts while ensuring safety for personnel and equipment.

While other pressures mentioned may be used in certain specialized applications, 600 psi is widely accepted as the typical standard for calibration in fire service discharge gauges.