Bulk water meters
Meistream
Product categories
Water
Water
Drinking Water
Mechanical
Smart City
Your benefits
- Measurement of low flow rates:
Increased cost effectiveness - Removable measuring insert:
Retrofittability and replaceability guaranteed - One measuring insert for various bodies:
Lower storage costs
Applications
- Measurement of high flow rates, e.g.
- Downstream of pumps or at transfer points
- Reservoir inflows and outflows
- Industrial processes - Measurement of low flow rates during offpeak periods
- Measuring of
- Desalinated / demineralized water
- Caustic soda up to 20%
- Saline water up to 10%
- Chlorinated water up to 1%
- Glycol-water solutions up to 30%
- Caustic solutions up to pH value 9
Options
- Flood-proof GWFcoder® register (IP68) with IEC or M-Bus interface and 5 m cable and provision for a HRI pulser
- High-pressure series up to PN 40 bar
- High-resolution pulse generator HRI-Mei
Documentation: HRI-Mei - EPe10222 - High-resolution pulse generator Opto OD
Documentation: Opto-OD-Pulser - EPe10205
Downloads
Properties
- Universal installation position
- No straight flow section required before the meter
- Register can be turned through 355°
- Maximum operating pressure PN 16 bar
- Temperature up to 50 °C
- Rotor is hydrodynamically, radially, and axially balanced
- Available in the standard installation lengths for WS and WP meter
- Powder coating provides optimum corrosion protection
- Non-ferrous metal design up to PN 16 bar
- SVGW certification
- Conformity according to the European Measuring Instrument Directive (MID)
- Flood-proof standard pulser register (IP68) with a port for one Opto-OD-Pulser and provision for a HRI-Mei pulser
Technical Data
Nominal diameter1) | DN | mm | 50 | 50 | 65 | 65 | 80 | 80 | 100 | 100 | 125 | 150 | 150 | 200 | 250 | 300 |
Nominal pressure2) | PN | bar | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
Nominal flow rate | Q3 | m3 /h | 50 | 50 | 70 | 70 | 120 | 120 | 230 | 230 | 250 | 450 | 450 | 800 | 1250 | 1400 |
Overload flow rate (few minutes) | Q4 | m3 /h | 90 | 90 | 120 | 120 | 200 | 200 | 300 | 300 | 350 | 600 | 600 | 1200 | 1600 | 2000 |
Transitional flow rate ±2% | Q2 | m3 /h | 0,4 | 0,4 | 0,63 | 0,63 | 0,51 | 0,51 | 0,81 | 0,81 | 1,02 | 1,6 | 1,6 | 4,03 | 6,3 | 16 |
Minimum flow rate ±5% | Q1 | m3 /h | 0,15 | 0,15 | 0,2 | 0,2 | 0,2 | 0,2 | 0,3 | 0,3 | 0,5 | 0,8 | 0,8 | 2 | 3,5 | 9 |
Temperature | max.°C | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
Dimensions and weights | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Overall length | L | mm | 200 | 270 3) | 200 | 300 | 225 | 300 | 250 | 360 | 250 | 300 | 500 | 350 | 450 | 500 |
Height 4) | H | mm | 120 | 120 | 120 | 120 | 150 | 150 | 150 | 150 | 160 | 177 | 177 | 214 | 238 | 264 |
Height | h | mm | 73 | 73 | 85 | 85 | 95 | 95 | 105 | 105 | 118 | 135 | 135 | 162 | 194 | 226 |
Dismantling height of measuring unit4) | g | mm | 200 | 200 | 200 | 200 | 270 | 270 | 270 | 270 | 280 | 356 | 356 | 449 | 474 | 499 |
Meter weight | app. kg | 7,8 | 9,6 | 10,1 | 12 | 14,2 | 16,3 | 18,2 | 20,2 | 20,7 | 35,9 | 35,9 | 56,9 | 79,4 | 103,8 | |
Measuring unit weight | app. kg | 1,5 | 1,5 | 1,5 | 1,5 | 3,2 | 3,2 | 3,2 | 3,2 | 3,2 | 5,9 | 5,9 | 9,6 | 9,6 | 9,6 | |
Body weight | app. kg | 6,3 | 8,1 | 8,6 | 10,5 | 11 | 13,1 | 15,0 | 17,0 | 17,5 | 30 | 30 | 47,3 | 69,8 | 94,2 | |
1) Nominal size DN 40 upon request
2) High-pressure series PN 40 upon request
3) Also available with 300 mm body length
4)The dimension g and H increase by 22 mm if a HRI-Mei impulse generator and cover are installed
MID certification data | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nominal flow rate | Q3 | m3 /h | 40 | 40 | 63 | 63 | 100 | 100 | 160 | 160 | 160 | 400 | 400 | 630 | 630 | 1000 |
Temperature | max.°C | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | |
Horizontal measuring range | R160 | R160 | R160 | R160 | R315 | R315 | R315 | R315 | R250 | R400 | R400 | R250 | R125 | R63 | ||
Vertical measuring range | R100 | R100 | R100 | R100 | R125 | R125 | R160 | R160 | R125 | R200 | R200 | R250 | R100 | R63 | ||
Standard marking | R100 | R100 | R100 | R100 | R100 | R100 | R100 | R100 | R100 | R100 | R100 | R100 | R100 | R63 |
Dimension Diagram
Materials
Body: Cast iron
Measuring unit: Plastic
Rotor: Plastic
Other materials: Brass / non-rusting steel
Measurement error curve
Typical Head Loss Curve
Installation
Pipeline: | horizontal | |
vertical | ||
diagonal | ||
Meter head: | upwards | |
sideways |
Commission
When commissioning the meter the measureing section must be filled slowly (bleed slowly).
Dial
Nominal size | DN | 50–125 | 150 – 300 |
Smallest reading | m3 | 0,0005 | 0,005 |
Maximum register reading | m3 | 1’000’000 | 10’000’000 |
Pulse values HRI-Mei Pulser
Meter sizes | DN 50...125 1 Pulse = ...Liter | DN 150...300 1 Pulse = ...Liter |
---|---|---|
Meistream | 10 100 | 100 1000 |
Pulse values Opto-OD-Pulser
Meter sizes | DN 50...125 1 Pulse = ...Liter | DN 150...300 1 Pulse = ...Liter | |
---|---|---|---|
Meistream | Opto OD 01 Opto OD 03 | 1 10 | 10 100 |