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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HVT-FV Fabricated Venturi
+/- 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
HVT-CI Cast Iron/ HVT-DI Ductile Venturi
+/- 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
HVT-FI Fabricated Insert Venturi / HVT-PI Plastic Insert Venturi
+/- 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
HVT-FC Rate of Flow Controller
+/- 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
HVT-SMS Sealed Meter System
+/- 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
CV Classical Venturi
+/- 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.
HVT-RV Rectangular Venturi
+/- 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