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LXL Dry-Type Horizontal Woltman Water Meter
LXL
The LXL Dry-Type Horizontal Woltman Water Meter is designed for bulk cold-water measurement in urban, industrial and agricultural networks. The documented range uses a ductile-iron body, flanged connection and dry register for horizontal installation.
Key Features
- Horizontal Woltman design
- Dry-type register
- DN50 to DN200 size range
- Up to 1.6 MPa working pressure
- Ductile-iron body
- Flanged connection
TECHNICAL SPECIFICATIONS
Material Options
Ductile iron
Connection Types
Flanged
Temperature Range
Up to 30°C
Pressure Rating
Up to 1.6 MPa
Diameter Range
DN50–DN200
LXL Horizontal Woltman Water Meter Flow Data
| Model | Nominal Diameter | Q4 Overload Flow (m³/h) | Q3 Nominal Flow (m³/h) | Q2 Transitional Flow (m³/h) | Q1 Minimum Flow (m³/h) | Starting Flow (m³/h) | Max. Reading (m³) | Min. Reading (L) | Error Q3–Q4 | Error Q1 |
|---|---|---|---|---|---|---|---|---|---|---|
| LXL50 | DN50 | 50 | 40 | 0.64 | 0.4 | 0.15 | 10⁶ | 1 | ±2% | ±5% |
| LXL80 | DN80 | 125 | 100 | 0.8 | 0.5 | 0.25 | 10⁶ | 1 | ±2% | ±5% |
| LXL100 | DN100 | 200 | 160 | 1.28 | 0.8 | 0.3 | 10⁶ | 10 | ±2% | ±5% |
| LXL150 | DN150 | 500 | 400 | 4 | 2.5 | 0.8 | 10⁷ | 10 | ±2% | ±5% |
| LXL200 | DN200 | 790 | 630 | 12.6 | 7.88 | 2 | 10⁷ | 100 | ±2% | ±5% |
The documented LXL range is DN50–DN200. Q2 and Q1 are shown in m³/h as listed in the source technical data.
LXL Horizontal Woltman Dimensions
| Model | L Length (mm) | B Width (mm) | H Height (mm) | h Register Height (mm) | Weight (kg) |
|---|---|---|---|---|---|
| LXL50 | 280 | 165 | 214 | 70 | 12 |
| LXL80 | 230 | 200 | 234 | 90 | 15.5 |
| LXL100 | 250 | 220 | 250 | 106 | 19 |
| LXL150 | 300 | 283 | 310 | 130 | 35 |
| LXL200 | 350 | 340 | 338 | 158 | 47 |
LXL Installation and Construction Data
| Item | Documented Requirement |
|---|---|
| Installation position | Any angle; when not horizontal, the water outlet should face upwards |
| Pipe condition | Measure at full capacity; clean the pipeline before installation |
| Recommended protection | Install a filter upstream of the meter |
| Straight pipe requirement | Upstream 10D and downstream 5D for DN50–DN200 installations |
| Executive standard | GB/T 778-2018 |
| Body and connection | Ductile iron body with polyester spray coating; flanged connection |
| Standard pressure | 1.6 MPa |
- Urban water networks
- Industrial water systems
- Agricultural irrigation
- Bulk water measurement
Executive standard
GB/T 778-2018.
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