Single-Jet Water Meter LNJD
Designed for residential metering, the LNJD offers a dependable and accurate solution with a compact footprint.
Built with a high-quality brass body, this DN15–25 mechanical water meter ensures durability in demanding environments. Its single-jet design delivers consistent performance and long-term accuracy, making it ideal for homes and small commercial installations.
Brass body – corrosion-resistant and robust for extended service life
Single-jet design – ensures precise readings with minimal wear
Optional pulse output – enables AMR/AMI upgrades when needed
ISO 4064 compliant – for trusted metering standards across global markets
From utility networks to residential buildings, the LMJS provides a reliable and future-ready solution for standard water metering needs.
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 |
|---|---|---|---|---|---|
| Length* | L | mm | 110 | 130 | 160 |
| Nominal flow rate | Q3 | m³/h | 2.5 | 4 | 6.3 |
| R standard* | Q3/Q1 | R | 160 | 160 | 160 |
| Minimum flow rate* | Q1 | l/h | 16 | 25 | 40 |
| Transition flow rate* | Q2 | l/h | 25 | 40 | 63 |
| Maximum flow rate | Q4 | m³/h | 3.1 | 5 | 7.9 |
