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SenseCalc

Orifice Beta and Flow Estimate

Beta plus velocity-checked flow estimate.

Inputs

Orifice and fluid

Upstream pipe bore.

Plate bore.

Design differential.

Flowing density.

Kinematic viscosity; 1.0 for water at 20 C.

Result

Beta ratio
0.5000
Flow estimate (m3/h)
19.60
Beta OK (1=yes)
1
Calculation details
Pipe velocity (m/s)
0.69
Reynolds number
69,318
Turbulent flag (1=yes)
1

Verify

Check before relying.

Beta lives between 0.2 and 0.75.

  • Bore and pipe measured, not named
  • dP at the same flow as Qmax
  • Straight run per the standard
This calculator is a first-pass screening tool. Verify nameplate data, wiring, module configuration, and calibrator readings before acting.

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Workspace

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