R160 Multi-Jet Water Meter LNSG

Designed for residential and light commercial applications, the LNSG 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/Q 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