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Bulk water meters

Meistream

Groswasserzaehler Woltman Verbund Meistream

Categorías de productos

Agua

Agua

Agua potable

Mecánico

Smart City

Sus ventajas

  • Measurement of low flow rates:
    Increased cost effectiveness
  • Removable measuring insert:
    Retrofittability and replaceability guaranteed
  • One measuring insert for various bodies:
    Lower storage costs

Aplicaciones

  • 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

Opciones

Groswasserzaehler Woltman Verbund Meistream

Descargas

Installation manual Flange table

Características

  • 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

Product information

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
Meistream E Pf10220 2ffff
Materials

Body: Cast iron

Measuring unit: Plastic

Rotor: Plastic

Other materials: Brass / non-rusting steel

Measurement error curve
E Pd10220 Messfehlerkurve EN
Typical Head Loss Curve
E Pd10220 Druckverlustkurve EN
Installation
Pipeline: horizontal iconHorizontalLine
vertical iconVerticalLine
diagonal iconDiagonal
Meter head: upwards iconArrowToTop
sideways iconArrowLeftRight
Commission
attentionTriangle

When commissioning the meter the measureing section must be filled slowly (bleed slowly).

Dial
1 Meistream Standardzählwerk E Pd10220 3
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

Consulta

GWF AG
Obergrundstrasse 119
6005 Luzern, Schweiz

T +41 41 319 50 50
info@gwf.ch, www.gwf.ch

Soporte técnico:
T +41 41 319 52 00, support@gwf.ch

Last updated: 05.07.2025
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