Multi-Jet Series Water Meter

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  • The name :

    Multi jet liquid filled(semi dry) type water meter

  • Product Description
  • MID Certificated TCM142/10-4793
    WRAS approved
    High sensitivity as Class C /R200
    Long time clear reading
    Glycerin protected register
    Plastic version as alternative
    Vertical version as alternative
    Model name: MJ-LFC

  • Model : MJ-LFC


NWM MJ-LFC F5 is IMPELLER (turbine) water meter with mechanical transmission, liquid protected register for residential application with sizes from Dn15 to Dn50 designed and manufacture 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.

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 MJ-LFC F5 can
be used safely in water temperature up to 50℃(T50);
The rollers are hermetically sealed by special liquid don’t touch with the water which ensures the clear reading in any operating conditions;
The Impeller is the only moving parts in contact with water permitting the most reliable;
The mechanical transmission movement with the maximum reliability;
The extra inlet filter at the inlet of the meter body permits cleaning it without breaking the metrological seal;
Non Return Valve to avoid the reserve flow Rate AS OPTION;

MODULE B - EC TYPE EXAMINATION CERTIFICATE Number: TCM 142/10 4793 MODULE D – CERTIFICATE OF QUALITY SYSTEM Number:    0119-SJ-A004-10

DIMENSION

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Size

Dn15

Dn20

Dn25

Dn32

Dn40

Dn50

Dn50-Flange

L

165

190

260

260

300

300

300

L1

259

294

380

384

431

448

X

D

G3/4B

G1B

G1-1/4B

G1-1/2B

G2B

G2-1/2B

X

d

R1/2

R3/4

R1

R1-1/4

R1-1/2

R2

X

H

107.5

107.5

117.5

117.5

141.5

177

184

H1

191

191

206.5

206.5

256.5

292

299

W

94

94

98

98

122

145

165

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

 

Size

Dn15

Dn20

Dn25

Dn32

Dn40

Dn50

Dn50-Flanage

 

 

L

110

160

160

160

200

280

280

120

X

220

230

245

X

X

130

X

225

X

X

X

X

145

X

X

X

X

X

X

170

X

X

X

X

X

X

190

X

X

X

X

X

X

 

*Different length of the Water Meter under different size.
*Dn50 with Flange Ends and Screw Ends both in Brass body and Cast Iron Body.

 

 

AX. PERMISSION ERROR:
MJ-LFC
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 ;

Size

mm

Dn15

Dn20

Dn25

Dn32

Dn40

Dn50

R

Q3/Q1

R160 for Horizontal installation

Q4

m3/h

3,125

5

7,875

12,5

20

31,25

Q3

m3/h

2,5

4

6,3

10

16

25

Q2

l/h

25

40

63

100

160

250

Q1

l/h

15,625

25

39,375

62,5

100

156,25

Max. Reading

m3

99999.9999

999999.9999

Min. Reading

Liter

0.05

Pressure Loss

ΔP

ΔP<63 at Q3

Max. Pressure

MAP

MAP16

Max. Temperate

T30 or T50

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Installation:
-The meters should be installed in HORIZONTAL position with the direction of the flow as indicated by the arrow cast on the meter body with register face upwards;
-Pipeline must be flushed before installation;
-The meter should be constantly full of water during operation.
-NWM Suggest to Installation the water meter as:

Multi Jet Liquid Filled (Semi Dry) Type Water Meter  price

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

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