Venturi Flow Meters

Venturi flow meters offer high accuracy and reliability for flow measurement of pressurized line fluids, including liquids, gases, and steam, as well as high-viscosity line fluids, solids-bearing line fluids, and harsh or contaminated line fluids.

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Fabricated Venturi Flow Meter

HVT Fabricated Venturi Flow Meter (HVT-FV)

+/- 0.50% Uncalibrated Uncertainty
Low Loss, Municipal & Industrial Applications

  • Line Size: 1/2 to 144 inches.
  • Headloss % of Differential: 3.50 to 10.0 percent
  • Recommended pipe Reynolds number: Greater than 75,000
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Cast Iron Venturi Meter

Cast Iron/Ductile Iron Venturi Flow Meters (HVT-CI, HVT-DI)

+/- 0.50% Uncalibrated Uncertainty
Low Loss, Municipal & Industrial Applications

  • Line size: 4 to 96 inches.
  • Head loss % of Differential: 3.50 to 10.0 percent
  • Recommended pipe Reynolds number: Greater than 75,000 for basic accuracy
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Fabricated Insert Venturi Meter

Fabricated/Plastic Insert Venturi (HVT-FI, HVT-PI)

+/- 0.50% Uncalibrated Uncertainty
Low Loss, Internal / Flange Mounted

  • Line size: 3 to 144 inches
  • Head loss % of Accuracy: 3.50 to 10.0 percent
  • Recommended pipe Reynolds number: Greater than 75,000 for basic accuracy
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HVT-FC Rate of Flow Controller-1

Rate of Flow Controller (HVT-FC)

+/- 0.50% Uncalibrated Uncertainty
Low Loss, Control Flow Rate

  • Line size: 4 to 96 inches 
  • Head loss % of Differential (Venturi): 3.50 – 10.0 percent
  • Recommended pipe Reynolds number: Greater than 75,000 for basic accuracy

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Sealed Meter System

Sealed Meter System (HVT-SMS)

+/- 0.50% Uncalibrated Uncertainty
Low Loss, Highly Contaminated Fluid

  • Line sizes: 6 to 14 inches for 2 inch SMS; 16 to 96 inches for 3 inch SMS
  • Head loss % of Differential (Venturi): 3.50 to 10.0 percent
  • Recommended pipe Reynolds number: Greater than 75,000 for basic accuracy
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Classical Venturi Meter

Classical Venturi (CV)

+/- 1.00% to 1.50% Uncalibrated Uncertainty
Clean Liquids and Gases

  • Line size: 2 to 48 inches
  • Head loss % of Differential: 10 to 25 percent
  • Recommended pipe Reynolds number: Greater than 200,000 for basic accuracy. Consult PFS for lower Reynolds use.
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Rectangular Venturi

Rectangular Venturi Meter (HVT-RV)

+/- 0.75% Uncalibrated Uncertainty
Low Loss, For Rectangular Conduits

  • Line size: 1/2 to 96 inches. Larger sizes available.
  • Head loss % of Differential: 5.0 to 12.0 percent
  • Recommended pipe Reynolds number: Greater than 75,000 for basic accuracy
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