美利堅共和國PFS總部迄今為止通常車輛(文丘里人超聲波用戶量計、楔式人超聲波用戶量計和超高壓節流傳動裝置)如表: (1) HVT-CI或HVT-FV Halmi Venturi 文丘里人超聲波用戶量計,HVT-PI或HVT-FI Halmi Insertion Type Venturi放進去式文丘里人超聲波用戶量計, Size:3” to 96”, Presure Rating:ANSI Class 150ibs to Class 2500ibs, Accuracy: Bench Calibrated經過多次實驗發現臺標記±0.5%, Flow Calibrated實計人用戶量標記±0.25%。 (2) HVT-FV-Mini Venturi for small line size application小人用戶量用很小型文丘里人超聲波用戶量計。 Size:1” or less, pressure rating: ANSI Class 150ibs to Class 2500ibs, Accuracy: Bench Calibrated經過多次實驗發現臺標記±0.5%, Flow Calibrated實計人用戶量標記±0.25%。 (3) HVT-BV or HVT-BI Halmi Venturi type primary flow elements for Bi-directional flow measurement. 正向文丘里人超聲波用戶量計, Size:3” to 96” pressure rating: ANSI Class 150ibs to Class 2500ibs, Accuracy: Bench Calibrated經過多次實驗發現 臺標記±0.5%, Flow Calibrated實計人用戶量標記±0.25%。 (4) PFS-WM wedge type primary flow measurement elements for high viscosity fluids application 適用于高稠度文丘里管人用戶量衡量的楔式人超聲波用戶量計 Size: 1” to 24”, pressure rating: ANSI Class 150ibs to Class 2500ibs, Accuracy: Bench Calibrated經過多次實驗發現臺標記±2%, Flow Calibrated實計人用戶量標記±0.5%, Repeat ability ±0.2% (5) Orifice plates, flanges, and holding blocks assembled for throttling, Differential pressure flow measuring elements. 孔板人超聲波用戶量計部件, Size: 2” to 16”, Pressure rating: ANSI Class 300# to Class 2500#