DN65 – H4000 | Honeywell Turbine Water Meter 65mm: Complete Guide
The DN65 H4000 Honeywell Turbine Water Meter 65mm is a high-performance flow measurement solution widely used in industrial, commercial, and municipal water systems. Designed for accuracy and durability, this turbine water meter ensures reliable monitoring of water flow in pipelines with diameters of 65mm (DN65).
Key Features of Honeywell DN65 H4000 Water Meter
-
Precision Flow Measurement
Honeywell’s H4000 turbine meters provide precise volumetric measurement of water. The turbine rotor rotates proportionally to the flow rate, allowing for accurate readings even at variable flow conditions. -
Durable Construction
-
Material: High-quality stainless steel and engineered polymers resist corrosion.
-
Long Lifespan: Designed for heavy-duty operation in industrial environments.
-
Sealed Bearings: Minimize wear and tear for extended reliability.
-
-
Wide Flow Range
The DN65 H4000 supports a wide flow range, making it ideal for both low-flow and high-flow applications without compromising accuracy. -
Versatile Applications
-
Municipal water distribution
-
Industrial water monitoring
-
Cooling water systems
-
Irrigation and agricultural water measurement
-
-
Easy Integration
Compatible with various flow monitoring systems and digital readouts, the H4000 can be easily integrated into SCADA or automated control systems. -
Low Maintenance
The robust design reduces maintenance requirements, ensuring continuous operation with minimal downtime.
Technical Specifications of DN65 H4000 Honeywell Turbine Water Meter
| Parameter | Specification |
|---|---|
| Nominal Diameter | DN65 (65mm) |
| Flow Range | Qmin to Qmax (consult Honeywell datasheet) |
| Accuracy Class | ±1% of reading |
| Pressure Rating | Up to 16 bar |
| Temperature Range | 0°C to 50°C (water) |
| Connection Type | Flanged (ISO standard) |
| Body Material | Stainless steel / Bronze (varies) |
| Rotor Bearings | Sealed, low friction |
| Output | Pulse / Analog / Digital options |
Installation Guidelines
Proper installation is key to maintaining accuracy and longevity:
-
Straight Pipe Requirement – Ensure 5-10 diameters of straight pipe upstream and 3 diameters downstream of the meter.
-
Orientation – Install horizontally for optimal performance; vertical installation may affect accuracy.
-
Flow Direction – Observe the arrow marked on the meter body.
-
Avoid Air Bubbles – Install in sections with minimal air entrapment to prevent measurement errors.
Maintenance Tips
-
Periodically inspect the meter for wear or debris.
-
Clean the turbine rotor if sediment accumulation occurs.
-
Verify calibration annually for high-accuracy applications.
-
Replace seals and gaskets if leakage is detected.
Advantages of Honeywell Turbine Water Meters
-
High accuracy and repeatability
-
Corrosion-resistant construction
-
Minimal pressure loss
-
Long service life with low maintenance
-
Easy integration with modern flow monitoring systems
Frequently Asked Questions (FAQs)
Q1: What is the maximum flow rate for the DN65 H4000 meter?
A1: The maximum flow rate depends on the model variant, typically up to 60 m³/h. Consult the Honeywell datasheet for exact specifications.
Q2: Can this meter handle hot water?
A2: The standard H4000 is designed for cold water (up to 50°C). High-temperature versions are available for hot water applications.
Q3: How accurate is the Honeywell DN65 H4000 meter?
A3: It offers ±1% accuracy under normal operating conditions, ensuring precise measurement for billing and monitoring.
Q4: Is this water meter compatible with digital monitoring systems?
A4: Yes, it can integrate with SCADA, pulse counters, and other digital flow monitoring systems.
Q5: How often should I maintain the turbine meter?
A5: Routine inspection and cleaning every 6-12 months is recommended, depending on water quality and usage.
Conclusion
The DN65 H4000 Honeywell Turbine Water Meter 65mm is a reliable, accurate, and durable solution for industrial and municipal water measurement. Its precision, wide flow range, and low maintenance requirements make it a preferred choice for professionals who require dependable flow monitoring.

