R160 Single-Jet Water Meter LNJD

R160 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