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RHE DN50~ DN600(mm)
Removable element woltman cold (hot) water meter

This type of water meter can be used for a remote reading transmission system as equipped with a built-in sensor.

Commercial Water Meter

Application

Measuring the volume of cold (hot) water passing through the pipeline

Features

Removable element structure, easy installation and maintenance, register for universal use within this range detachable without Removing the meter from the pipeline;

Dry-dial, Magnetic drive sensitive action, small pressure loss;

Vacuum sealed register ensures the dial keep free from fog and Keep the reading clear in a long term service;

Selected high quality materials for steady & reliable characteristic;

Technical data conform to international standard ISO 4064.

Working condition

Water temperature: 0.1℃~50℃ ( 0.1℃~90℃ for hot water meter)
Water pressure: ≤1Mpa (1.6MPa for special requirement)

Maximum permissible errors

(1) in the lower zone from qmin inclusive up to but excluding qt is ±5%

(2) in the upper zone from qt inclusive up to and including qs is ±2% (±3% for hot water meter)

Main Technical Specifications

  Type   Size (mm)   Class qs Overload
Flow
qp Permanent
Flow
qt Transitional
Flow
qmin Min. Flow Min. Reading   Max. Reading
m3/h m3
  RHE-50   50     30   15       0.0002   999,999
B 3.0 0.45
  RHE-65   65     50   25       0.0002   999,999
B 5 0.75
  RHE-80   80     80   40       0.002   999,999
B 8.0 1.2
  RHE-100   100     120   60       0.002   999,999
B 12 1.8
  RHE-150   150     300   150       0.002   999,999
B 30 4.5
  RHE-200   200     500   250       0.002   999,999
B 50 7.5
  RHE-250   250     800   400       0.002   999,999
B 80 12
  RHE-300   300     1200   600       0.02   9,999,999
B 120 18
  RHE-350   350     1600   800       0.02   999,999,999
B 160 24
  RHE-400   400     2000   1000       0.02   999,999,999
B 200 30
  RHE-500   500     3000   1500       0.02   999,999,999
B 300 45
  RHE-600   600     6000   3000       0.02   999,999,999
B 600 90

Dimensions

 Type  Size L
Length
H
Height
Connecting flange
φD1 Outside diameter φD2 Bolt circle diameter Connecting Bolts(n-M) Working pressure (MPa)
mm
RHE-50 50 200 261 165 125 4-M16 1.6
RHE-65 65 200 271 185 145 8-M16 1.6
RHE-80 80 225 279 200 160 8-M16 1.6
  RHE-100   100   250   289 220 180 8-M16 1.6
       
  RHE-150   150   300   319 285 240 8-M20) 1.6
       
  RHE-200   200   350   346 340 295 12-M20 1.6
       
  RHE-250   250   450   434 405 355 12-M24 1.6
      2.5
  RHE-300   300   500   459 460 410 12-M24 1.6
       
  RHE-350   350   500   590        
520 470 16-M24 1.6
  RHE-400   400   600   660        
580 525 16-M27 1.6
RHE-500 500 800 760        
715 650 20-M30 1.6
RHE-600 600 500 880        
840 770 20-M33 1.6

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