Multi-Jet Water Meter LNSV
Designed for residential and light commercial applications, the LNSV mechanical water meter delivers long-term accuracy and stability—even under tough conditions.
Featuring a corrosion-resistant brass body and reliable multi-jet technology, it ensures consistent performance over time.
Brass construction – durable and corrosion-resistant
Multi-jet mechanism – stable readings under varying flow
Pulse-ready – enables seamless smart integration
ISO 4064 compliant – internationally recognized precision
FEATURES
Measurement Requirements
Temperature Class: Cold water meter: T30 Hot water meter: T30/90
Pressure Rating (MAP): MAP16 (up to 16 bar)
Pressure Loss Class: ΔP63
Flow Sensitivity (Upstream): U0
Flow Sensitivity (Downstream): D0
Maximum Permissible Error
Low Flow Region (Q₁ ≤ Q < Q₂): ±5%
High Flow Region (Q₂ ≤ Q ≤ Q₄):
±2% when water temperature ≤ 30°C
±3% when water temperature > 30°C
METROLOGICAL DATA
| Nominal diameter | DN | mm | 15 | 20 | 25 | 32 | 40 | 50 |
|---|---|---|---|---|---|---|---|---|
| Length* | L | mm | 165 | 190 | 260 | 260 | 300 | 300 |
| Nominal flow rate | Q3 | m³/h | 2.5 | 4 | 6.3 | 10 | 16 | 25 |
| R standard* | Q3/Q1 | R | 160 | 160 | 160 | 160 | 160 | 160 |
| Minimum flow rate* | Q1 | l/h | 16 | 25 | 40 | 63 | 100 | 160 |
| Transition flow rate* | Q2 | l/h | 25 | 40 | 63 | 100 | 160 | 260 |
| Maximum flow rate | Q4 | m³/h | 3.1 | 5 | 7.9 | 12.5 | 20 | 31 |
