Meistream Plus

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PDF Datasheet

Bulk water meters

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

Installation manual flange table

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

Product information

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

Meistream Plus Standardzählwerk E Pd10221 2

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

Meistream Plus Standardzählwerk E Pd10221 6

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

Enquire

Last updated: 07.12.2025

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