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Vertical Woltman Water Meter
Vertical Woltman
The Vertical Woltman Water Meter is intended for bulk cold-water measurement where the pipe layout requires vertical installation. The series is presented as a practical option for water networks and project-specific large-pipe measurement arrangements.
Key Features
- Vertical installation format
- Woltman bulk measurement principle
- Large-pipe project applications
- Mechanical register design
- Water network use
- Size selection by project requirement
TECHNICAL SPECIFICATIONS
Connection Types
Flanged or threaded according to selected DN configuration
Temperature Range
Temperature class T50
Pressure Rating
MAP10/16 pressure class
Diameter Range
DN40–DN200
Vertical Woltman Water Meter Technical Data
| Nominal Diameter | Q3 Nominal Flow (m³/h) | Range Ratio Q3/Q1 | Q2/Q1 | Q4 Overload Flow (m³/h) | Q2 Transitional Flow (m³/h) | Q1 Minimum Flow (m³/h) | Pressure Loss | Temperature Class | Pressure Class |
|---|---|---|---|---|---|---|---|---|---|
| DN40 | 40 | 160 | 1.6 | 50 | 0.4 | 0.25 | Δp 63 | T50 | MAP10/16 |
| DN50 | 40 | 200 | 1.6 | 50 | 0.32 | 0.20 | Δp 63 | T50 | MAP10/16 |
| DN50S | 40 | 200 | 1.6 | 50 | 0.32 | 0.20 | Δp 63 | T50 | MAP10/16 |
| DN65 | 40 | 200 | 1.6 | 50 | 0.32 | 0.20 | Δp 63 | T50 | MAP10/16 |
| DN80 | 63 | 200 | 1.6 | 78.75 | 0.504 | 0.315 | Δp 63 | T50 | MAP10/16 |
| DN80S | 63 | 200 | 1.6 | 78.75 | 0.504 | 0.315 | Δp 63 | T50 | MAP10/16 |
| DN100 | 100 | 200 | 1.6 | 125 | 0.8 | 0.5 | Δp 63 | T50 | MAP10/16 |
| DN100S | 100 | 200 | 1.6 | 125 | 0.8 | 0.5 | Δp 63 | T50 | MAP10/16 |
| DN150 | 250 | 200 | 1.6 | 312.5 | 1.25 | 1.25 | Δp 63 | T50 | MAP10/16 |
| DN200 | 400 | 200 | 1.6 | 500 | 3.2 | 2 | Δp 63 | T50 | MAP10/16 |
The source catalog identifies this series as a vertical Woltman cold-water meter for DN40–DN200. S variants are retained as separate catalog configurations.
Vertical Woltman Dimensions and Display
| Nominal Diameter | L Length (mm) | H Height (mm) | D Diameter (mm) | Display Min. (m³) | Display Max. (m³) | Pulse Value |
|---|---|---|---|---|---|---|
| DN40 | 245 | 220 | — | 0.0005 | 999,999 | 0.1/1 |
| DN50 | 280 | 228 | 165 | 0.0005 | 999,999 | 0.1/1 |
| DN50S | 200 | 233 | 165 | 0.0005 | 999,999 | 0.1/1 |
| DN65 | 300 | 238 | 185 | 0.0005 | 999,999 | 0.1/1 |
| DN80 | 370 | 290 | 200 | 0.0005 | 999,999 | 0.1/1 |
| DN80S | 225 | 294 | 200 | 0.0005 | 999,999 | 0.1/1 |
| DN100 | 370 | 306 | 220 | 0.0005 | 999,999 | 0.1/1 |
| DN100S | 250 | 311 | 220 | 0.0005 | 999,999 | 0.1/1 |
| DN150 | 500 | 445 | 285 | 0.0005 | 999,999 | 0.1/1 |
| DN200 | 500 | 564 | 340 | 0.0005 | 999,999 | 0.1/1 |
Vertical Woltman Product Configuration
| Item | Documented Configuration |
|---|---|
| Application | Water metering where the flow rate varies greatly |
| Measurement | Full-flow detection with positive and reverse measurement |
| Sensing | Non-magnetic sensing with passive photoelectric direct reading |
| Register option | Copper-seal register; optional protection class IP68 |
| Remote upgrade | Upgradeable online to wired or wireless smart remote metering |
| Bearing system | Highly wear-resistant bearing system for long-term stability |
- Water distribution networks
- Bulk water measurement
- Industrial water supply
- Projects with vertical pipe layouts
Certification information is available upon request.
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