Quantcast Table 3-3. Comparison of Meter Types

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TABLE 3-3.
Comparison of Meter Types
Vortex
Turbine
Orifice
Characteristic
8:1 to 15:1
3:1
25:1
Rangeability
No significant drift
No significant
Accuracy drift
Gradual drift
drift until
as erosion
catastrophic
occurs
failure
Steam system must be
Can be hot
Steam system
Installation
must be secured
secured
tapped
Steam system
Steam system must be
Can be serviced
Service
without securing
must be secured
secured
steam system
Can be performed
Manufacturer
Manufacturer
in field
FIGURE 3-14.
T y p e s of Orifice Plates
3-47





 


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