Multi-Jet Series Water Meter

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  • The name :

    Multi jet economic type water meter(MULTI series)

  • Product Description
  • MID Certificated TCM142/13-5058
    WRAS approved
    Stable performance with good sensitivity
    IP68 ultrasonic sealed register as optional
    360° rotating register
    Lighter body with stronger pressure resistance
    AMR/AMI solution available

  • Model : MULTI-G


NWM MULTI G is IMPELLER (turbine) water meter with magnetic transmission, dry type register for residential application with sizes from Dn15 to Dn20 designed by NWM and meets to the requirements   of   Directive   2004/22/EC   on   measuring   instruments;   the   European   Standard
EN14154+A1+A2:≤Water Meter≥; the International Organization of Legal Metrology OIML R-49:
2006(E):  ≤Water meters intended for the metering of cold potable water and hot water≥.

Characteristics:
All the Materials in contact with water, consciously selected by the known resistance to corrosion;
Cold water meter under current standard for lower than 30℃(T30), but NWM MULTI G can be used safely in water temperature up to 50℃(T50);
The ROTARY indicator register for the most comfortable reading position of 7 Rollers and 2 Pointers;
The ROTARY plastic cap and lid for the most comfortable installation;
The Impeller is the only moving parts in contact with water permitting the most reliable;
The  inlet  filter  at  the  inlet  of  the  meter  body  permits  cleaning  it  without  breaking  the metrological seal; Internal filter as option;
The conception of the Magnetic Protection to against the external influences;
Non Return Valve to avoid the reserve flow Rate AS OPTION;

Dial Plate Design:
MID APPROVAL: TCM/142/13-5058

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Dimension:

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L1: the total length with connection and the gasket without compression.

Main Technical Data:

Size

mm

Dn15

Dn20

Dn20

R

Q3/Q1

80

80

80

Q4

m3/h

3,125

5

3,125

Q3

m3/h

2,5

4

2,5

Q2

l/h

50

80

50

Q1

l/h

31,25

50

31,25

Specification AS OPTION

R

Q3/Q1

50

50

50

Q4

m3/h

2

3,125

2

Q3

m3/h

1,6

2,5

1,6

Q2

l/h

51.2

80

51.2

Q1

l/h

32

50

32

Max. Reading

m3

99999,9999

Min. Reading

Liter

0.05

Pressure Loss

ΔP

ΔP<63 at Q3

Max. Pressure

MAP

MAP16

Max. Temperate

T30 or T50


Max. Permission Error:
From Q1 inclusive up to but excluding Q2 is ± 5%;
From Q2 inclusive up to and including Q4 is ± 2% for T30 and ± 3% for T50;

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The ROTARY indicator register for the most comfortable reading position of 5 Rollers and 4 Pointers;
TOP COVER with Plastic Transparent Cover    Glass Window

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The ROTARY INCLINDED indicator register for the most comfortable reading position of 8 Rollers and 1 Pointer;
TOP COVER with Plastic Transparent Cover    Glass Window

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Main Technical Data:

Size

Dn

Dn15

Dn20

Dn20

Metrological Class

B

B

B

B

Qmax

m3/h

3

5

3

Qn

m3/h

1,5

2,5

1,5

Qt

l/h

120

200

120

Qmin

l/h

30

50

30

Max. Reading

m3

99999,9999

Min. Reading

Liter

0.05

Pressure Loss

Bars

ΔP<1 at Qmax ΔP<0.25 at Qn

Max. Pressure

Bars

PN16

Max. Temperate

40

 

MAX. PERMISSION ERROR:
From Qmin inclusive up to but excluding Qt is ± 5%; From Qt inclusive up to and including Qmax is ± 2%;

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If you have any questions, please send an e-mail inquiry

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