Piston Water Meter
Size: Plastic body: DN15-20; Brass body: DN15-40.
Different register can be choose.
Features
Low start-up flow rate.
Volumetric rotary piston principle of measurement.
LXHY-15~20 is no location limitation for installation.
Accuracy is not to be affected wherever installled at a horizontal, vertical or inclined pipeline.
Register is sealed with a special liquid to keep a clear reading in long term service.
Mechanism use of high-quality material to ensure a stable characterstic.
Accurate measurement with conformity to ISO 4064 class C.
On request, the series can be equipped with a kind of remote transmission device.
Technical Parameters
1.Drawing
2.DIMENSIONS
| Description | Unit | Hydraulic Data And Dimensions | |||||
| Nominal Size | mm (inch) |
DN15 (1/2) |
DN20 (3/4) |
DN25 (1) |
DN32 (1-1/4) |
DN40 (1-1/2) |
|
| QS Error Limit ±2% | m³/h | 3.125 | 5 | 7.785 | 12.5 | 20 | |
| QS Error Limit ±2% | m³/h | 2.5 | 4 | 6.3 | 10 | 16 | |
| QS Error Limit ±2% | l/h | 25 | 40 | 63 | 100 | 160 | |
| QS Error Limit ±5% | l/h | 15.6 | 25 | 39.4 | 62.5 | 100 | |
| Min.Reading | l | 0.05 | 0.05 | 0.05 | 0.5 | 0.5 | |
| Max.Reading | m³ | 9999.9999 | 9999.9999 | 9999.9999 | 99999.999 | 99999.999 | |
| MAP | MPa | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | |
| Press Loss ⊿P AT Q2 | MPa | ≤0.063 | ≤0.063 | ≤0.063 | ≤0.063 | ≤0.063 | |
| L | mm | 195 | 267 | 319 | 384 | 428 | |
| I | mm | 115 | 165 | 199 | 260 | 300 | |
| B | mm | 43 | 43 | 53 | 60 | 77 | |
| Weight | Without Connections |
Kg | 1.14 | 1.56 | 2.48 | 3.47 | 5.65 |
| With Connections |
Kg | 0.97 | 1.3 | 2.05 | 2.75 | 4.7 | |
3.Maximum Permissible Error
Product advantage
1. High Accuracy
Precise Measurement: Piston water meters provide very accurate flow measurement, making them suitable for applications that require high precision.
2. Wide Flow Range
Versatile Flow Range: They can handle a broad range of flow rates, from low to high, which makes them adaptable to various operating conditions.
3. Durability
Robust Construction: The sturdy mechanical design of piston water meters ensures long-term reliability and durability.
High Pressure Tolerance: They can operate effectively under high pressure conditions, making them suitable for high-pressure water systems.
4. Low Maintenance
Minimal Upkeep: Piston water meters generally require less maintenance compared to other types of meters. Regular checks and cleaning are usually sufficient.
5. Suitable for Various Water Qualities
Water Quality Flexibility: They can handle water with suspended particles or impurities, which makes them versatile in different water source conditions.
6. Stable Measurement
Consistent Performance: Piston water meters maintain stable measurement accuracy over time, even with fluctuations in water flow.
7. Simple Installation
Ease of Installation: Installation is generally straightforward, and piston water meters can be fitted into a variety of piping systems with ease.
8. Clear Readings
Intuitive Readability: The readings on piston water meters are often clear and easy to read, simplifying data recording and interpretation.
9. Cost-Effective
Value for Money: They offer a good balance of cost and performance, providing excellent value for high-precision measurement needs.
10. No Power Requirement
Non-Electrical Operation: Piston water meters operate purely mechanically, so they do not require an external power source, which is advantageous in locations without electrical supply.
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