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Products > Flow > Plastic VA Flowmeters > DFM Large Plastic VA Flowmeter - Air
All plastic construction variable area flowmeters providing excellent chemical resistance and readability, supplied complete with end connections, either for solvent welding to PVC pipe or threaded. Up to three bi-stable alarms can be fitted to each unit or if required, a 4 to 20mA transmitter is available. |  |
| Specification | |
| Flow Rate | 12-25000 L/min |
| Temperature | <75ºC |
| Operating Pressure | 10 BarG at 20°C |
| Wetted Materials | Polyamide tube, PVC connectors, EPDM 'O' rings & PVDF internals |
| Installation | Tube must be vertical with flow upwards. Read centre line of float against scale |
| Panel Cut Out | 116 x 19mm mounting brackets supplied with meter |
| Connections | Solvent weld or BSP female threads, 1, 1 1/4", 1 1/2", 2 and 2 1/2" |
| Tube Length | 350mm |
| Overall Length | 400, 408, 418, 432 or 444mm (dependant on pipe size) |
| Accuracy | ±2.5% of full scale |
| Alarm Operation | Close on rising flow |
| Alarm Contacts | 240V/5A max (2m PVC lead) |
| Protection | IP 65 |
| Transmitter Output | 4 to 20mA (Active) |
| Transmitter Range | 10 to 100% |
| Transmitter Loop Resistance | 1kW max |
| Transmitter Resolution | 0.1% |
| Transmitter Power Supply | 24V DC, 50mA |
| Transmitter Electrical Connection | 6-way DIN45322 plug |
| Available Models | ||
| Flow Range (Nm3/hr) | Connection | Code |
| 8-70 | Solvent weld 1 1/2" | FVA0006 |
| 10-90 | Solvent weld 1 1/2" | FVA0007 |
| 14-125 | Solvent weld 2" | FVA0008 |
| 22-190 | Solvent weld 2" | FVA0009 |
| 35-300 | Solvent weld 2" | FVA0010 |
| 50-500 | Solvent weld 2 1/2" | FVA0011 |
| 80-720 | Solvent weld 2 1/2" | FVA0012 |
| 400-1500 | Solvent weld 2 1/2" | FVA0013 |
| 0.7-5.5 | Screwed BSP 1" | FVA0014 |
| 1-10 | Screwed BSP 1" | FVA0015 |
| 2.5-20 | Screwed BSP 1" | FVA0016 |
| 4-34 | Screwed BSP 1" | FVA0017 |
| 5-50 | Screwed BSP 1 1/4" | FVA0018 |
| 8.5-76 | Screwed BSP 1 1/4" | FVA0019 |
| 8-70 | Screwed BSP 1 1/2" | FVA0020 |
| 10-90 | Screwed BSP 1 1/2" | FVA0021 |
| 14-125 | Screwed BSP 2" | FVA0022 |
| 22-190 | Screwed BSP 2" | FVA0023 |
| 35-300 | Screwed BSP 2" | FVA0024 |
| 50-500 | Screwed BSP 2 1/2" | FVA0025 |
| 80-720 | Screwed BSP 2 1/2" | FVA0026 |
| 400-1500 | Screwed BSP 2 1/2" | FVA0027 |