Bulk water meters
Meistream Plus
Product categories
Water
Bulk water meters for cold water up to 50 °C DN 50, 65, 80, 100, 150
Water
Drinking Water
Mechanical
Wired
Impulse
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 medium to high flow rates
- 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-resolution pulse generator HRI-Mei
Documentation: HRI-Mei - EPe10222 - High-resolution pulse generator Opto OD
Documentation: Opto-OD-Pulser - EPe10205
Downloads
Properties
- Horizontal installation position
- No straight flow section required before the meter
- Register can be turned through 355°
- Maximum operating pressure PN 16 bar
- Temperatures up to 50 °C
- Rotor is hydrodynamically, radially, and axially balanced
- Available in the standard installation lengths for WS and WP meters
- Powder coating provides optimum corrosion protection
- Non-ferrous metal design
- 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 | 150 |
Nominal pressure | PN | bar | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
Nominal flow rate | Q3 | m3/h | 35 | 35 | 40 | 40 | 63 | 63 | 100 | 100 | 250 |
Overload flow rate (few minutes) | Q4 | m3/h | 55 | 55 | 60 | 60 | 120 | 120 | 160 | 160 | 400 |
Transitional flow rate ±2% | Q2 | m3/h | 0,13 | 0,13 | 0,16 | 0,16 | 0,25 | 0,25 | 0,4 | 0,4 | 0,63 |
Minimum flow rate ±5% | Q1 | m3/h | 0,07 | 0,07 | 0,1 | 0,1 | 0,13 | 0,13 | 0,2 | 0,2 | 0,35 |
Temperature | max.°C | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
Dimensions and weights | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Overall length | L | mm | 200 | 2702) | 200 | 300 | 225 | 300 | 250 | 360 | 3003) |
Height4) | H | mm | 120 | 120 | 120 | 120 | 150 | 150 | 150 | 150 | 177 |
Height | h | mm | 73 | 73 | 85 | 85 | 95 | 95 | 105 | 105 | 135 |
Dismantlig height of measuring unit 4) | g | mm | 200 | 200 | 200 | 200 | 270 | 270 | 270 | 270 | 356 |
Meter weight | app. kg | 7,8 | 9,6 | 10,1 | 12 | 14,2 | 16,3 | 18,2 | 20,2 | 35,9 | |
Measuring insert weight | app. kg | 1,5 | 1,5 | 1,5 | 1,5 | 3,2 | 3,2 | 3,2 | 3,2 | 5,9 | |
Body weight | app. kg | 6.3 | 8,1 | 8,6 | 10,5 | 11 | 13,1 | 15 | 17 | 30 |
1) Nominal size DN 40 upon request
2) Also available with 300 mm body length
3) Also available with 500 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 | 25 | 25 | 40 | 40 | 63 | 63 | 100 | 100 | 250 |
Temperature | max.°C | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | |
Measuring range | R315 | R315 | R400 | R400 | R400 | R400 | R400 | R400 | R630 | ||
Standard marking | R315 | R315 | R315 | R315 | R315 | R315 | R315 | R315 | R315 |
Dimension Diagram
Materials
Body: | Cast iron |
Measuring insert: | Plastic |
Rotor: | Plastic |
Other materials: | Brass / non-rusting steel |
Measurement error curve
Typical Head Loss Curve
Installation
Pipeline: | horizontal | |
Meter head: | upwards |
Commission
When commissioning the meter the measuring section must be filled slowly (bleed slowly).
Dial
Nominal size | DN | 50–100 | 150 |
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...100 1 Pulse = ...Liter | DN 150 1 Pulse = ...Liter |
---|---|---|
Meistream Plus | 10 100 | 100 1000 |
Pulse values Opto-OD-Pulser
Meter sizes | DN 50...100 1 Pulse = ...Liter | DN 150 1 Pulse = ...Liter | |
---|---|---|---|
Meistream Plus | Opto OD 01 Opto OD 03 | 1 10 | 10 100 |