WATER METER >WOLTMAN METERS SERIES
DEFINITION：
Key structure is made up of rotary carried helical blades which goes around as the same direction of water flow.
 
CHARACTERS：

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Fit for big water flow.
Stable and high accuracy.
Low pressure loss.
Long working life.
Fit for hard water.
Types: horizontal, vertical and removable.
ALL technical figures are conformed with GB/T778.1~3-1996 which is equivalent to IS04064 Standard Class B.
   
WORKING CONDITION:
  .Water temperature≤45℃(Hot water meter≤90℃)
.Water pressure≤1Mpa
   
MAXIMUM PERMISSIBLE ERROR:
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 From the minimum flow-rate (qmin) inclusive to the lower zone of the transitionalflow-rate (qt) exclusive: ±5% .
From the transitional flow-rate (qt) inclusive to the higher zone of the maximumflow-rate (qmax) exclusive: ±2%(hot water meter±3%.)
   


   
REMOVABLE HORIZONTAL WOLTMAN DRY TYPE  

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CHARACTERS：

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Dry structure, magnetic drive;
Vacuum sealed counter, frost proven, keeping clear reading for long;
Removable structure, easy installation and maintenance;
Mechanic system fit for uniform use;
Big flow capable, low head loss;
Remote transmission device can be added upon request;
All technical figures are conformed with GB/T778.1~3-1996 which is equivalent to ISO4064 Standard Class B.
    IRRIGATION REMOVABLE WATER METER  
   
CHARACTERS：

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Dry structure, magnetic drive;
Vacuum sealed counter, frost proven, keeping clear reading for long, 360° rotary, easy reading;
Removable structure, easy installation and maintenance;
Big wear-ability bearing series, use for low quality water;
Very big flow capable, very low head loss, fit for big flow and low quality water;
SS cover, fit for outdoor;
Vertical pipe, horizontal installment, without filter web;
Remote transmission device can be added upon request;
All technical figures are conformed with GB/T778.1~3-1996 which is to equivalent to ISO4064 Standard Class B.
    VERTICAL WOLTMAN METER  
   
CHARACTERS：

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Removable structure, Inner slot web, easy maintenance;
Dry structure, magnetic drive, keeping clear for long;
Low start flow, low pressure loss at big volume flow,(e.g.100mm water meter: start flow 0.1CBM per hour, least flow 0.4 CBM per hour, average flow 90CBM per hour);
Same install size as rotary type;
Remote transmission device can be added upon request;
All technical figures are conformed with GB/T778.1~3-1996 which is to equivalent ISO4064 Standard Class B.
 
  HONRIZONTAL WOLTMAN METER  
   
CHARACTERS：

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Types: clock hands (C type),both clock hands and numerical rolls (E type),dry type(G type);
For hot or cold water;
Simple structure;
Big flow capable, low head loss;
All technical figures are conformed with GB/T778.1~3-1996 which is to equivalent to ISO4064 Standard Class B.
       

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