Compound meter

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  • The name :

    Compound &Combination Water Meter

  • Product Description
  • .Inductive register for improved output performance and security
    .High turndown ratio with long working life
    .Highly accurate bulk flow metering for applications with large variations
    .Designed to maximize revenue collection
    .Both in-line construction and separate construction as option for easy installation

  • Model : WPC


OPERATION:
NWM WPC Compound (Combination) Meters utilize a turbine type meter on the main flow line and a proportionately sized meter on the low flow bypass line. A change over valve controls the flow of water through the appropriate measuring device. Before the valve opens, all water flows through the low flow meter. As pressure rises the valve opens, allowing water to flow through both meters. Movement of the measuring elements is transmitted to drive magnets, which transmit the motion to driven magnets located within hermetically sealed registers. The magnets are connected to gear trains, which translate the rotations into volume totalizators displayed on the register dial faces.

CONSTRUCTION:
NWM WPC Compound (Combination) Meters consist of a main case, turbine measuring element, changeover valve housing, main case cover, multi-jet type meter, and magnetically driven register assemblies.

NWM WPC Compound (Combination) Meters with magnetic transmission, dry type register for Commercial and Industrial application has the sizes from Dn50 to Dn200 (only has Dn80 and Dn100 for WPCB) designed by NWM and meets to the international standard of ISO 4064 Standard.

CHARACTERISTICS:
All the materials in contact with water, consciously selected by the known resistance to corrosion;
Iron body with inside and outside epoxy coating for protecting the corrosion;
The  ROTATING  indicator  register  of  the  main  meter  for  the  most  comfortable  reading position;
The copper can super dry register of the main meter with IP68 protection;
The interchangeable, removable measuring mechanism of the main meter can be easy removed from the body for checking, maintaining and replacing, no needs to dismantle the body form the pipe;
Lower Pressure loss;
No effected by external magnetic fields;
Pulse output AS OPTION.

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The height “G” is the min. height for removing the measuring mechanism. The Flange Standard under ISO

*Different Flange Standard for selecting such as: ISO 7005-2: 1998(E) PN10, ASME B16.1-Class 125 working for B16.5-Class 150…

Dn

Dn50*
Dn15

Dn65*
Dn20

Dn80*
Dn20

Dn100*
Dn20

Dn125*
Dn25

Dn150*
Dn40

Dn200*
Dn50

L

280

370

370

 370

 

500

560

W

268

305

310

320

 

445

525

H

252

262

272

282

 

341

371

H1

339

349

359

369

 

428

458

G

400

400

400

400

 

500

500

D

165

185

200

220

 

285

340

D1

125

145

160

180

 

240

295

nxM

4xM16

8xM16

8xM20

12xM20



Size

mm

Dn50*
Dn15

Dn65*
Dn20

Dn80*
Dn20

Dn100*
Dn20

Dn125*
Dn25

Dn150*
Dn40

Dn200*
Dn50

Metrological Class

 

 

 

 

 

 

 

Qmax

m3/h

30

50

80

120

 

300

500

Qn

m3/h

15

25

40

60

 

150

250

Qt

m3/h

0,12

0,2

0,2

0,2

 

0,8

1,2

Qmin

m3/h

0,03

0,05

0,05

0,05

 

0,2

0,3

Max. Reading

m3

999999,999 + 99999,9999

9999999,99 + 999999,999

Min. Reading

Liter

0,05

0, 05

Max.
Pressure

Bar

PN16

Max.
Temperate

40



PRESSURE LOSS CURVE:

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Max. Permission Error:
From Qmin inclusive up to but excluding Qt is ± 5%; From Qt inclusive up to and including Qmax is ± 2%;

 

Compound &Combination Water Meter price


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