  
Model CD74TRP -E /S is an inferential, single stream, straight reading type meter for cold water, and it’s suitable for domestic use. The sealed register mechanism, which is filled with special liquid, is equipped with a suitable pressure compensating device. Plastic body and adopt all antiseptic material, no leak. It has all the advantages which the wet or dry dial water meters possess. 
  
WORKING CONDITION: 
*The max. admissible water pressure:1.0MPa(10bar) 
*Water temp.:not more than 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 OVERAL DIMENSIONS
  
| 
 Description  | 
 Unit  | 
 Hydraulic data and dimensions   |  
| 
 Nominal size   | 
 mm  | 
 15  |  
| 
 inch  | 
 1/2  |  
| 
 Overload flow-rate (qs)  | 
 m3/h  | 
 3  |  
| 
 Permanent flow-rate (qp)  | 
 m3/h  | 
 1.5  |  
| 
 Transitional flow-rate (qt)  | 
 m3/h  | 
 0.12  |  
| 
 Minimum flow-rate (qmin)  | 
 m3/h  | 
 0.03  |  
| 
 Max. reading   | 
 m3  | 
 99999.9999  |  
| 
 Min. reading  | 
 m3  | 
 0.00005  |  
| 
 Max. working pressure   | 
 MPa  | 
 1.0  |  
| 
 ΔP at the qs   | 
 MPa  | 
 ≤0.1   |  
| 
 L  | 
 mm  | 
 110  |  
| 
 I  | 
 mm  | 
 190  |  
| 
 H  | 
 mm  | 
 89  |  
| 
 B   | 
 mm  | 
 88  |    OVERALL DIMENSIONS                                                                     PRESSURE LOSS CURVE
   |