DN20 Multi-Jet Dry Dial MJ20 Water Meter 20mm
- High Precision: Class B (R100) accuracy; catches ultra-low flows at 13.3 L/h.
- Extreme Durability: IP68 waterproof rating with a fog-free, hermetically sealed register.
- Tamper-Proof: Built-in anti-magnetic shield ensures total billing data integrity.
- Easy Install: Standard DN20 (190mm) with reliable G3/4B BSP threads.
- Future-Proof: AMR-ready output for seamless smart reading network integration.
Precision Measurement for Reliable Utility Management
The DN20 Multi-Jet Dry Dial Water Meter operates on a highly efficient velocity-type measuring principle, ensuring accurate, long-term tracking of residential or commercial water consumption. Designed specifically for standard horizontal installation, this meter utilizes an advanced magnetic drive and a premium hermetically sealed register. This construction completely prevents internal condensation, ensuring long-lasting, clear readability regardless of surrounding environmental challenges.
Robust Design with Advanced Compliance
Built to endure demanding physical conditions, this water meter boasts a maximum IP68 protection class, rendering it fully waterproof and dustproof. Operating safely under a MAP16 pressure class and suitable for both cold and warm water environments (T30/T50), it strictly complies with international ISO 4064 standards. Furthermore, its AMR-ready optional output provides a seamless, future-proof upgrade path to smart, automated meter reading networks.
Key Features & Advantages
- High Accuracy Performance: Delivers exceptional Class B (R100) accuracy with a permanent flow rate of 4.0 m³/h, effectively capturing even minimal usage down to a remarkably low starting flow of 13.3 L/h.
- Anti-Magnetic Protection: Specially engineered with an integrated shield to safely resist external magnetic interference, guaranteeing the total security and uncompromised integrity of your billing data.
- Optimal Flow Efficiency: Sustains an incredibly low pressure loss of ≤0.063 MPa at peak capacities, ensuring consistent, high-volume water delivery without straining your pipeline infrastructure.
- Secure & Easy Installation: Equipped with standardized G3/4B BSP threads on a compact 190mm length body, facilitating swift, leak-proof threaded connections into existing utility systems.
Functional Parameters
| Meter Type | Multi Jet Dry Dial |
| Measuring Principle | Velocity Type |
| Dial Type | Dry Dial, Sealed Register |
| Transmission Type | Magnetic Drive |
| Installation Orientation | Horizontal |
| Protection Class | IP68 |
| Temperature Class | T30/T50 |
| Pressure Class | MAP16 |
| Accuracy Class | Class B (R100) |
| Standard Compliance | ISO 4064 |
| Anti-Magnetic Protection | Yes |
| Sealing Type | Hermetically Sealed Register |
| Optional Output | AMR Ready |
Dimensional Parameters
| Nominal Diameter (DN) | DN20 (20 mm) |
| Length (L) | 190mm |
| Width (W) | 94 mm |
| Height (H) | 135 mm |
| Thread Type | BSP |
| Thread Size | G3/4B |
| Connection Type | Threaded |
Flow Parameters
| Q1 (Minimum Flow Rate) | 40 L/h |
| Q2 (Transitional Flow Rate) | 64 L/h |
| Q3 (Permanent Flow Rate) | 4.0 m³/h |
| Q4 (Overload Flow Rate) | 5.0 m³/h |
| R Value (Q3/Q1) | 100 |
| Starting Flow | 13.3 L/h |
| Pressure Loss at Q3 | ≤0.063 MPa |
| Maximum Reading | 99 999 m³ |
| Minimum Reading | 0.00005 m³ (0.05 L) |
