|  | The HVT-Halmi Venturi Flow Element design, developed and perfected by Dezsoe Halmi, founder of Primary 
                                Flow Signal, Inc., is a proprietary design offered exclusively by the company for high accuracy and high reliability flow 
                                measurement of pressurized line fluids including liquids, gasses, and steam. In its embodiment as the HVT-SM Sealed Metering 
                                System, this revolutionary design accommodates flow measurement of high viscosity line fluids, solids bearing line fluids as 
                                well as harsh and/or contaminated line fluids.  |  |