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 APPLICATION: MEASURING THE TOTAL VOLUME OF COLD POTABLE WATER PASSING THROUGH THE METER(ALSO SUITABLE FOR PURE WATER).   OPERATING CONDITION:  *THE MAX.ADMISSIBLE PRESSURE 1.6MPa *RESISTING WATER TEMPERATURE OF 50℃   SPECIALITY: * NEGLIGIBLE HEAD LOSS AT WORKING FLOW-RATE * INSTALLATION IN ANY POSITION (SUCH AS LEVEL, VPRIGHESS)  *SEMI-POSITIVE OSCILLTING PISTON TYPE, DIRECT TRANS MISSION WITH RELIABLE PERFORMANCE                  * HIGH ACCURACY * PLASTIC BODY(ON REQUSET,ALSO PROVIDE BRASS BODY)   Maximum permissible error: Between qt (included) and qs is ±2%; Between qmin and qt (excluded) is ±5%. NOTE: The technical data conform to ISO4064 standard, class C. FLOW-ERROR CURVE
 SPECIFICATION AND OVERAL DIMENSIONS
 
 
| Description | Unit | Hydraulic data and dimensions  |  
| Nominal size | mm(inch) | DN15 (1/2) | DN20 (3/4) |  
| Overload flow-rate (qs) | m3/h | 3 | 5 |  
| Permanent flow-rate (qp) | m3/h | 1.5 | 2.5 |  
| Transitional flow-rate (qt) | l/h | 22.5 | 37.5 |  
| Minimum flow-rate (qmin) | l/h | 15 | 25 |  
| Min. reading  | l | 0.05/0.5 | 0.05/0.5 |  
| Max. reading  | m3 | 9999.999999999.999
 | 99999.99999999.999
 |  
| Max. working pressure | MPa | 1.6 | 1.6 |  
| △P at the qs | MPa | ≤0.1 | ≤0.1 |  
| L | mm | 195 0 -2 | 265 0 -2 |  
| I | mm | 115 0 -2 | 165 0 -2 |  
| B | mm | 48 | 48 |  
| Weight  | Plastic body without connections  | kg | 0.40 | 0.42 |  
| Plastic body with connections  | 0.56 | 0.68 |  OVERALL DIMENSIONS                                                              PRESSURE LOSS CURVE
 
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