Features
Specifications:
| DN | mm | 15 | 20 | 25 | 32 | 40 | 50 | |
| Size | Inch | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | |
| Q4 permanent flow | m³/h | 3.125 | 5 | 7.875 | 12.5 | 20 | 31.25 | |
| Q3 Overload flow | m³/h | 2.5 | 4 | 6.3 | 10 | 16 | 25 | |
| 
 R80 Q3/Q1  | 
Q2 | m³/h | 0.05 | 0.08 | 0.126 | 0.2 | 0.32 | 0.5 | 
| Q1 | m³/h | 0.031 | 0.05 | 0.079 | 0.125 | 0.2 | 0.312 | |
| 
 R100 Q3/Q1  | 
Q2 | m³/h | 0.04 | 0.064 | 0.1 | 0.16 | 0.256 | 0.4 | 
| Q1 | m³/h | 0.025 | 0.04 | 0.063 | 0.1 | 0.16 | 0.25 | |
| 
 R125 Q3/Q1  | 
Q2 | m³/h | 0.032 | 0.051 | 0.081 | 0.128 | 0.2 | 0.32 | 
| Q1 | m³/h | 0.02 | 0.032 | 0.05 | 0.08 | 0.128 | 0.2 | |
| Max.Pressure | Bar | 16 | ||||||
| Pressure loss | Bar | 0.63 (as complete unit) | ||||||
| Max temperature | ℃ | 50 | ||||||
| Max reading | m³ | 99999 | ||||||
| 
 Max Permissible Error (MPE)  | 
% | 
 Q1≤Q≤Q2: MPE = ±5% Q2≤Q≤Q4:MPE = ±2%  | 
||||||
Dimension
| 
 Size mm DN in  | 
 15 1/2"  | 
 20 3/4"  | 
 25 1"  | 
 32 1-1/4"  | 
 40 1-1/2"  | 
 50 2"  | 
|
| Length(L) | 165/190 | 190 | 225/260 | 230/260 | 245/300 | 280/300 | |
| Width(W) | 99 | 99 | 103 | 104 | 124 | 125 | |
| Height (H) | 104 | 106 | 114 | 117 | 147 | 172 | |
| 
 Connecting Thread  | 
G3/4B | G1B | G1-1/4B | G1-1/2B | G2B | G2-1/2B | 
 Flange ISO7005  | 
Calin is original meter manufaturer and solution provider, we not only produce our own products
but also ODM / OEM with other meter manufacturers