DN20 China Volumetric Brass Multi-jet Water Meter

  • Extreme Precision: Class B (R400) volumetric measurement detects flows down to 3.33 L/h.
  • IP68 Waterproof: Hermetically sealed, fog-free dry dial for reliable outdoor horizontal installation.
  • Anti-Magnetic: Protected register ensures clear, tamper-proof readings up to 99,999 mÂł.
  • ISO 4064 Compliant: Built to international standards for trusted residential and commercial use.
  • AMR-Ready: Easily integrates with smart AMR Water Meters for remote utility tracking.
SKU: PD-SDC-20ES-00-NT1Categories: Mechanical Water Meters, Volumetric Water Meters
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Precision Volumetric Measurement for Reliable Billing

Engineered for exceptional accuracy, this volumetric water meter utilizes a precise piston displacement mechanism to capture even the smallest water usage. With an outstanding Class B (R400) accuracy rating, it effortlessly registers ultra-low flows down to a 3.33 L/h starting flow, ensuring utility providers capture every drop for fair and precise billing. Designed in compliance with ISO 4064 standards, it is an ideal solution for residential and light commercial water networks that demand long-term measurement consistency. As a core offering among high-quality mechanical water meters, it features a maximum reading of 99,999 mÂł to reliably support extended service lifecycles without data rollover issues.

Robust Durability in Harsh Environments

Built to withstand demanding field conditions, this DN20 meter is designed specifically for horizontal installation using standard threaded G1B connections. The core of its reliability lies in its hermetically sealed dry dial, earning a stringent IP68 protection class rating. This guarantees the register remains completely waterproof, fog-free, and crystal clear even when submerged or exposed to severe weather. Furthermore, the robust MAP16 pressure class and integrated anti-magnetic protection shield the meter from external tampering and pressure fluctuations, securing the integrity of your utility data.

Key Features & Advantages:

  • Ultra-Sensitive Flow Detection: Achieves a highly precise R400 ratio and a minimum flow rate of just 10 L/h, drastically reducing unmeasured water loss.
  • Weatherproof & Tamper-Resistant: The IP68 sealed register prevents internal condensation, while built-in anti-magnetic protection stops external manipulation.
  • Smart Connectivity Ready: Equipped as an AMR-ready unit, allowing seamless upgrades to remote reading networks, making it a perfect foundation for advanced IoT smart water solutions.

Functional Parameters

Meter Type Volumetric
Measuring Principle Piston Displacement
Dial Type Dry Dial, Sealed Register
Installation Orientation Horizontal
Protection Class IP68
Temperature Class T30/T50
Pressure Class MAP16
Accuracy Class Class B (R400)
Standard Compliance ISO 4064
Anti-Magnetic Protection Yes
Sealing Type Hermetically Sealed Register
Optional Output AMR Ready

Dimensional Parameters

Nominal Diameter (DN) DN20 (20mm)
Length (L) 190mm
Width (W) 98 mm
Height (H) 120/122 mm
Thread Type BSP
Thread Size G1B
Connection Type Threaded

Flow Parameters

Q1 (Minimum Flow Rate) 10 L/h
Q2 (Transitional Flow Rate) 16 L/h
Q3 (Permanent Flow Rate) 4.0 mÂł/h
Q4 (Overload Flow Rate) 5.0 mÂł/h
R Value (Q3/Q1) 400
Starting Flow 3.33 L/h
Pressure Loss at Q3 ≤0.063 MPa
Maximum Reading 99 999 mÂł
Minimum Reading 0.00005 mÂł (0.05 L)

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