U N I V E R S A L ® F L O W FLOW RANGE M O N I T O R S UNIVERSAL Flow Monitors 6 - 200 GPM (2.27 to 750 LPM) P420 SERIES P420 ® Plastic Vortex Shedding Flow Rate Transmitters Description Electrical Specications • • • Output is a 4-20 mA Two wire loop powered Input power 10-30 VDC@25mA Material Specications • • PVC or CPVC bodies, sensor and bluff No seals P420 Applications • • • • Low viscosity uids to 4.5 Cp or 50 SUS Brine Water Corrosive uids Industries • • • Water treatment Chemical Desalination Max Pressure at Indicated Temperature PVC TEMPERATURE IN DEGREES F The P420 owmeters are simple plastic ow transmitters intended to be economical and robust. • Port sizes available from 3/8 (three eighths) inches to 2 (two) inches in diameter. • Full scale ow rates are from 6 - 200 GPM with 10:1 turndown • Wetted parts are PVC and CPVC • Connections are socket weld ports or NPT threads • There are no moving parts • Terminal strip with 1/2 inch NPT conduit port • ID within .030 inches of standard Schedule 80 PVC pipe for ow continuity 73 80 90 100 110 120 PIPE DIAMETER IN INCHES 3/8&1/2 3/4 1 1 1/2 2 425 345 315 235 200 377 306 279 208 177 317 258 235 175 149 264 214 196 146 124 216 175 160 119 101 172 139 127 95 81 Installation • • Straight run of 10 pipe diameters upstream and 5 pipe diameters downstream required 10 PSI backpressure required Instrument Specications • • • • • • Response time 0.9 seconds Accuracy ±2% of full scale (max ow) Repeatability ±0.25% of indicated ow Pressure maximums vary with pipe diameter and temperature per chart below Enclosure Type 4, IP 65 Pipe connections solvent weld to socket or NPT threads TEMPERATURE IN DEGREES F CPVC 73 80 90 100 110 120 130 140 PIPE DIAMETER IN INCHES 3/8&1/2 3/4 1 1 1/2 2 425 345 315 235 200 403 327 298 223 189 371 301 275 205 175 340 276 252 188 160 308 250 228 170 145 276 224 205 153 130 244 198 181 135 115 213 173 158 118 100