HVT-CI或HVT-FV Halmi Venturi 文丘里流量计,HVT-PI或HVT-FI Halmi Insertion Type Venturi插入式文丘里流量计,
Size:3” to 96”,
Presure Rating:ANSI Class 150ibs to Class 2500ibs, Accuracy: Bench Calibrated试验台标定±0.5%,
Flow Calibrated实际流量标定±0.25%。