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Specifications
Weight (KG): 1.3
Dimension: 20 cm (Length) x 17 cm (Width) x 26 cm (Height)
The TRI Woltman Flowmeter - DN50 is a removable-element Woltman water meter for measuring the volume of cold or hot water passing through a pipeline. Its dry-dial magnetic-drive construction, vacuum-sealed register and removable measuring element support clear local reading and practical maintenance. The meter can support remote-reading transmission when equipped with the built-in sensor described in the attached datasheet.
Key Features
- DN50 removable-element Woltman water meter
- Suitable for cold or hot water within the specified temperature limits
- Dry dial with magnetic drive
- Vacuum-sealed register to help keep the reading clear
- Removable element for installation and maintenance
- Technical data conforms to ISO 4064
Engineering Specifications
| Specification | Details |
|---|---|
| Model | WFM-50 |
| Nominal size | DN50 |
| Metrological class | Class A or Class B |
| Overload flow, qs | 30 m³/h |
| Permanent flow, qp | 15 m³/h |
| Transitional flow, qt | Class A: 4.5 m³/h; Class B: 3.0 m³/h |
| Minimum flow, qmin | Class A: 1.2 m³/h; Class B: 0.45 m³/h |
| Minimum / maximum reading | 0.0002 m³ / 999,999 m³ |
| Water temperature | 0.1°C-40°C; 0.1°C-90°C for hot-water meter |
| Water pressure | ≤1 MPa; 1.6 MPa for special requirement |
| Maximum permissible error | qmin inclusive to qt exclusive: ±5%; qt inclusive to qs inclusive: ±2%, or ±3% for hot-water meter |
| Dimensions | Length 200 mm; height 261 mm; flange outside diameter 165 mm; bolt-circle diameter 125 mm |
| Flange connection | 4-M16 bolts; flange dimensions conform to ISO 7005-2:1988 |
Selection note: Confirm cold- or hot-water service, metrological class, pressure requirement and remote-reading arrangement before ordering.
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