Available in six sizes for flow rates between 0.504 m3/h and 787.5 m3/h, the GKM H4000 operates at temperatures up to 50°C and a maximum working pressure of 16 bar. Accuracy maintained in both forward and reverse flow and the product offers the benefits of inductive-based pulse communications technology. The meter complies with all relevant international quality standards such as OIML R49 and ISO 4064 specifications for forwarding flow installations in horizontal, vertical andinclined pipelines.
Robust construction
Like all Elster meters, the GKM H4000is manufactured from the highest qualitymaterials for maximum resistance towear and corrosion. Meter body and cover are epoxies powdercoated for protection in all environments. Thrust pads and stub spindles aremanufactured intungsten carbide and jeweled rotorbearings are used for maximum wear life. All wetted materials areUK WRAS approvedagainst health risk.
Flexible installation
Installation can be in horizontal, verticaland inclined pipelines. The GKM H4000also achieves good performance inabnormal installations.
Intelligent metering
Fully compatible with Elster’s Emerisrange of intelligent meter reading systems, GKM H4000 can provide even more vital management information to assist with effective distribution management, reduce water losses from leakage and improve customer service. Whencombined with the Emeritus TRC600 unit(pictured below), a range of intelligentfeatures including leakage alarms, data logging, and tariffs enables a complete metering system that addresses theef ficiency objectives for water providers.
Features
- Inductive register for improved output performance and security
- Extended low and high flow performance
- Suitable for forward and reverse flow metering
- Robust shroud and copper can register for long-life and clear readability
- Longer wear life for optimum accuracy
Specification
Size of meter | DN50* | DN80* | DN100* | DN125 | DN150* | DN200* | ||
Minimum flowrate | Q1 ± 5% | m³/h | 0.504 | 1.28 | 1.28 | 1.28 | 3.2 | 5.04 |
Transitional flowrate | Q2 ± 2% | m³/h | 0.806 | 2.048 | 2.048 | 2.048 | 5.12 | 8.064 |
Permanent flowrate | Q2 ± 2% | m³/h | 63 | 160 | 160 | 160 | 400 | 630 |
Overload flowrate | Q2 ± 2% | m³/h | 78.75 | 200 | 200 | 200 | 500 | 787.5 |
Measuring range (R) | Q3/Q1 | 125 | 125 | 125 | 125 | 125 | 125 | |
Starting Flow (approximately) | m³/h | 0.16 | 0.22 | 0.25 | 0.25 | 0.90 | 1.20 | |
Temperature class | T50 | T50 | T50 | T50 | T50 | T50 | ||
Max admissible pressure | bar | 16 | 16 | 16 | 16 | 16 | 16 | |
Pressure loss class ΔP | bar | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | |
Verification scale interval | m³ | 0.0005 | 0.0005 | 0.0005 | 0.0005 | 0.0005 | 0.0005 | |
Indicating range | m³ | 999 999 | 999 999 | 999 999 | 999 999 | 9 999 999 | 9 999 999 | |
Flow profile sensitivity classes | U3/D0 | U3/D0 | U3/D0 | U3/D0 | U0/D0 | U3/D0 | ||
Working pressure range | bar | From 0.3 to 16 | ||||||
Orientation requirements | all positions but not head down |
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