KM05-03
Residential water meter with non-returned valve, sealed register, available for IP68. Un-affected by grit and particulates.
 
            
           
 
          Description
1. Application
Measuring, memorizing and displaying the water consumption passing through the pipeline.
2. Features 
● Adopt multi-jet type.
● Dry type register, magnetic drive,anti-magnetic interference,anti-freezing, long-term clear reading, Tamper proof.
● Material: Brass, iron, plastic Body for option.
● Non-return valve is available.
● Un-affected by grit and particulates.
● Provided with lead seal and dustproof cover.
● Confirm to ISO4064.
● Available for IP68.
3. Head Loss Curve 

4. Accuracy Error Curve 
5. Installation Dimension 
| Item No | LXSG-15 | LXSG-20 | LXSG-25 | LXSG-32 | LXSG-40 | |
| L1 | mm | 165 | 190 | 225 | 230 | 245 | 
| L | mm | 260 | 295 | 345 | 350 | 375 | 
| H | mm | 110 | 110 | 115 | 115 | 115 | 
| W | mm | 98 | 98 | 110 | 110 | 110 | 
| Connection Thread | D(mm) | G3/4" | G1" | G1 1/4" | G1 1/2" | G2" | 
| d(mm) | R1/2 | R3/4 | R1 | R1 1/4 | R1 1/2 | |
| Weight | with unions(kg) | 
 | 
 | 
 | 
 | 
 | 
| without unions(kg) | 1.2 | 1.4 | 1.8 | 2.2 | 2.6 | |
 
6. Main Technical Data   
| Model number | LXSG-15 | LXSG-20 | LXSG-25 | LXSG-32 | LXSG-40 | ||||||||||
| Nominal diameter (DN)[mm] | 15 | 20 | 25 | 32 | 40 | ||||||||||
| Ratio Q3/Q1 | R80 | R100 | R160 | R80 | R100 | R160 | R80 | R100 | R160 | R80 | R100 | R160 | R80 | R100 | R160 | 
| Overload flow rate (Q4) [m³/h] | 3.125 | 3.125 | 3.125 | 5 | 5 | 5 | 7.875 | 7.875 | 7.875 | 12.5 | 12.5 | 12.5 | 20 | 20 | 20 | 
| Permanent flow rate (Q3) [m³/h] | 2.5 | 2.5 | 2.5 | 4 | 4 | 4 | 6.3 | 6.3 | 6.3 | 16 | 16 | 16 | 25 | 25 | 25 | 
| Transitional flow rate (Q2) [m³/h] | 0.05 | 0.04 | 0.025 | 0.08 | 0.064 | 0.04 | 0.126 | 0.1008 | 0.063 | 0.2 | 0.16 | 0.1 | 0.32 | 0.256 | 0.16 | 
| Minimum flow rate (Q1) [m³/h] | 0.03125 | 0.025 | 0.015625 | 0.05 | 0.04 | 0.025 | 0.07875 | 0.063 | 0.039375 | 0.125 | 0.1 | 0.0625 | 0.2 | 0.16 | 0.1 | 
| Accuracy class | 2 | ||||||||||||||
| Maximum permissible error for the lower flow rate zone (MPEι) | ±5% | ||||||||||||||
| Maximum permissible error for the upper flow rate zone (MPEμ) | ±2% for water having a temperature ≤30℃ | ||||||||||||||
| Temperature class | T30,T50 | ||||||||||||||
| Water pressure classes | MAP 16 | ||||||||||||||
| Pressure-loss classes | △P63 | ||||||||||||||
| Indicating range[m³] | 99 999 | ||||||||||||||
| Resolution of the indicating device[m³] | 0.00005 | ||||||||||||||
| Flow profile sensitivity classes | U10 D5 | ||||||||||||||
| Orientation limitation | HORIZONTAL | ||||||||||||||
 
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