Positive Displacement flowmeters are extremely accurate flowmeters designed to measure the flow rate of clean liquids. Consisting of a measuring chamber with rotating gears, the meter precisely divides the volume being measured into segments which are counted on a local totalizer or transmitted electronically. PD meters as they are often referred to, provide accuracies of up to 0.5% of indicated flow rate and this accuracy improves as the liquid viscosity increases. Options include local mechanical counters, transmitters, and integral valves for batching.
| Manufacturer | MacNaught, Oval |
| Fluids | Liquids |
| Sizes | ¼" to 3" |
| Max pressure & temperature | 550 Bar & 120°C, 1000 cp |
| Flow ranges | 5 l/h to 72 000 l/h |
| Accuracy | 0,5% of reading |
| Rangeability | 10:1 to 1000:1 (Depending on Viscosity) |
| Straight run pipes | None |
| Options | Displays, transmitters, valves for batching |
| Advantages | High accuracy, no power required, good for viscous products |
| Limitations | Must be clean fluid, air slugs can cause damage |
Serv'Instrumentation
ZI Broteau Nord
Impasse Louis VERD
69540 IRIGNY
FRANCE
Phone : +33 (0)4 78 51 47 50
Fax : +33 (0)4 78 51 59 96