Flow Measurement

PFS ASME Long Radius Flow Nozzle
PFS ISA 1932 Flow Nozzle

PFS ASME PTC 19.5 Throat Tap Flow Nozzle

Brand: Primary Flow Signal
0.70% Uncalibrated Uncertainty High Accuracy Line Size: 4 to 28 inches Head Loss (permanent pressure loss) in % of Differential: 60% to 85% (18% to 25% with optional outlet diffuser cone), Beta Dependent Recommended Application, THROAT Reynolds Number: Greater than 500,000 for basic accuracy
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The ASME Throat Tap Flow Nozzle provides high accuracy and precision which is used for the testing of steam turbine efficiency as prescribed in the ASME PTC-6 2004 Performance Test Code. The difference between a standard ASME Throat Tap nozzle and a PTC-6 Flow Nozzle is there is more flexibility in application and calibration with a standard ASME Throat Tap Nozzle. A standard Throat Tap Nozzle is recommended to be processed the same as a PTC-6 nozzle, but it is not required. IE, calibration is optional and up/down spools and other components are also optional.

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