美国PFS公司目前主要产品(文丘里流量计,楔式流量计和高压节流装置)如下:(1) 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.
尺寸：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％（2） HVT-FV-Mini Venturi for small line size application小流量用微小型文丘里流量计。 Size：1” or less, pressure 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％（3） HVT-BV or HVT-BI Halmi Venturi type primary flow elements for Bi-directional flow measurement. 双向文丘里流量计， Size：3” to 96” pressure 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％（4） PFS-WM wedge type primary flow measurement elements for high viscosity fluids application用于高黏度流体流量测量的楔式流量计 Size: 1” to 24”, pressure rating: ANSI Class 150ibs to Class 2500ibs, Accuracy:Bench Calibrated试验台标定±2％, Flow Calibrated实际流量标定±0.5％， Repeat ability ±0.2％ (5) Orifice plates, flanges, and holding blocks assembled for throttling, Differential pressure flow measuring elements.孔板流量计组件, Size: 2” to 16”,Pressure rating: ANSI Class 300# to Class 2500.
