Single-Jet Series Water Meter

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  • The name :

    Single jet liquid filled (semi dry) type water meter

  • Product Description
  • MID Certificated TCM142/11-4855
    WRAS approved
    High sensitivity as Class C /R160
    Long time clear reading
    Glycerin protected register
    Plastic version as alternative
    Model name: SJ-LFC

  • Model : SJ-LFC - MID R160H


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NWM SJ-LFC is IMPELLER (turbine) water meter with mechanical transmission, liquid protected register for residential application with sizes from Dn15 to Dn32 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 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 SJ-LFC 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;

Dial Plate Design:

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Dimension:

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

Size

Dn15

Dn15

Dn20

Dn25

Dn32

L

190

110

130

160

160

L1

284

204

234

280

284

D

G3/4B

G3/4B

G1B

G1-1/4B

G1-1/2B

d

R1/2

R1/2

R3/4

R1

R1-1/4

H

91

91

91

91

128.5

H1

164.5

164.5

164.5

164.5

210

W

87

87

87

87

110


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

 

Main Technical Data:

Size

Dn

Dn15

Dn20

Dn25

Dn32

Installation

HORIZONTAL

R

Q3/Q1

160H

160H

160H

160H

Q4

m3/h

3,125

5

7,875

12,5

Q3

m3/h

2,5

4

6,3

10

Q2

l/h

25

40

63

100

Q1

l/h

15,625

25

39,375

62,5

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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