Meters and Measurement Devices for Exact Consumption Data Acquisition
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The ultrasonic heat meter, 271 series (cast iron, flange type) adopts amsingle channel line. By matching with the square plastic integrator, it can be used to measure and display the heat consumption.
The line of 271 series heat meter is manufactured with cast iron. This enables the meter to maintain good physical and mechanical properties under high temperature operating conditions.
Basic Controls produces this series heat meter in flange connection to facilitate users’ disassembly and installation.
Parameters- Line material: cast iron
- Connection type: flange type
- Nominal diameter range: DN50-DN200
- Pressure rating: PN16/PN25
- Water-proof grade: IP65
- Power supply mode: M-BUS + built-in lithium battery dual power supply or DC240V+ built-in lithium battery dual power supply or built-in lithium battery power supply
| Flow rate code | Nominal diameter DN | Height H | Flange outer diameter D | Length L | Bolt central diameter D1 | Single side bolt count-tread n-M | Overload flow rate | Normal flow rate | Minimal Flow rate |
| N15 | 50mm | 242mm | 165mm | 300mm | 121mm | 4-M16 | 30qmax(m3/h) | 15qp(m3/h) | 0.3qmin(m3/h) |
| N 25 | 65mm | 252mm | 185mm | 300mm | 145mm | 8-M16 | 50qmax(m3/h) | 25qp(m3/h) | 0.5qmin(m3/h) |
| N 40 | 80mm | 267mm | 200mm | 350mm | 160mm | 8-M16 | 80qmax(m3/h) | 40qp(m3/h) | 0.8qmin(m3/h) |
| N60 | 100mm | 291mm | 235mm | 350mm | 190mm | 8-M16 | 120qmax(m3/h) | 60qp(m3/h) | 1.2qmin(m3/h) |
| N100 | 125mm | 321mm | 270mm | 350mm | 220mm | 8-M16 | 200qmax(m3/h) | 100qp(m3/h) | 2.0qmin(m3/h) |
| N150 | 150mm | 350mm | 300mm | 300mm | 250mm | 8-M16 | 300qmax(m3/h) | 150qp(m3/h) | 3.0qmin(m3/h) |
| N250 | 200mm | 410mm | 360mm | 350mm | 310mm | 12-M16 | 500qmax(m3/h) | 250qp(m3/h) | 5.0qmin(m3/h) |
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