  
APPLICATION: MEASURING THE TOTAL VOLUME OF COLD POTABLE WATER PASSING THROUGH THE METER. 
  
SPECIALITY: 
☆ THE HARDENED GLASS  
☆ HIGH ACCURACY AND LARGE MEASURING RANGE 
☆ NEGLIGIBLE HEAD LOSS AT WORKING FLOW-RATE  
☆ MAGNET DRIVE WITH ANTI-MAGNETIC  
☆ HIGH-QUALITY MATERIAL WITH LONG LIFE OF SERVICE 
☆ RELIABLE IN DATA COLLECTING , HERMETICALLY SEALED REGISTER 
☆ THE REGISTER IS SEALED AND IT COULD BE IN ANY POSITION  
WITHIN 360°,CONVENIENT FOR INSTALLATION. 
  
WORKING CONDITION: 
☆ THE MAX. ADMISSIBLE WATER PRESSURE: 1.6MPa 
☆  WATER TEMPERATURE: WATER TEMP UP TO 50℃ 
  
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 B. 
  
FLOW-ERROR CURVE 
 
 SPECIFICATION AND OVERALL DIMENSIONS
 
  
| 
 Description  | 
 Unit  | 
 Hydraulic data and dimensions   |  
| 
 Nominal size  | 
 mm(inch)   | 
 DN15(1/2”)  | 
 DN20(3/4”)  |  
| 
 Overload flow-rate (qs)  | 
 m3/h  | 
 2  | 
 3  |  
| 
 Permanent flow-rate (qp)  | 
 m3/h  | 
 1  | 
 1.5  |  
| 
 Transitional flow-rate (qt)  | 
 l/h  | 
 80  | 
 120  |  
| 
 Minimum flow-rate (qmin)  | 
 l/h  | 
 20  | 
 30  |  
| 
 Min. reading  | 
 l  | 
 0.05  | 
 0.05  |  
| 
 Max. reading  | 
 m3  | 
 99999.9999  | 
 99999.9999  |  
| 
 Max. working pressure  | 
 MPa  | 
 1.6  | 
 1.6  |  
| 
 ΔP at the qs  | 
 MPa  | 
 ≤0.1   | 
 ≤0.1   |  
| 
 L  | 
 mm  | 
 165   | 
 190   |  
| 
 I  | 
 mm  | 
 245   | 
 290   |  
| 
 H  | 
 mm  | 
 135   | 
 135   |  
| 
 h  | 
 mm  | 
 36.5   | 
 36.5   |  
| 
 B  | 
 mm  | 
 94   | 
 94   |  
| 
 D  | 
 inch  | 
 G3/4B   | 
 G1B   |  
| 
 d  | 
 inch  | 
 R1/2  | 
 R3/4  |  
| 
 Weight   | 
 with counections   | 
 Kg   | 
 1.49   | 
 1.75   |  
| 
 without counections   | 
 1.29  | 
 1.45  |   
OVERALL DIMENSIONS                                                         PRESSURE LOSS CURVE   |