DEFINITION:
Set of moving device that fitted into a closed conduit driven directly by water flow. Its turbine rotor rotates about the axis which is perpendicular to water flow.
WORKING PRINCIPLES:
Water flow drives vane rotate. Rotating times which is proportional to water flow speed are gathered, hence total volume passed through water meter is recorded.
CHARACTERS:
Types: Wet, dry, vertical, liquid sealed.
Wide measuring range, high accuracy.
Stable measuring capacity
Long working life
Low pressure loss
All technical figures are conformed with GB/T778.1~3-1996 which is equivalent to ISO4064 Standard Class B.
WORKING CONDITION:
Water temperature≤ 45º C(Hot water meter≤ 90º C)
Water pressure≤ 1Mpa
MAXIMUM PERMISSIBLE ERROR:
From the minimum flow-rate (qmin) inclusive to the lower zone of the transitionalflow-rate (qt) exclusive: ± 5%.
From the transitional flow-rate (qt) inclusive to the higher zone of the maximum flow-rate (qmax) exclusive: ± 2%(hot water meter± 3%. )
| DN/Q | Q4=1.25Q3 Q3 | R=Q3/Q1 | Q2=1.6Q1 Q1 |
| L/H | L/H |
| 15 | 3125 2500 | 160 | 25 15.625 |
| Nominal size DN(mm) | Class of measurement | Overload flow-rate q s (m 3 /h) | Permanent flow-rate q p (m 3 /h) | Transitional flow-rate q t (l/h) | Minimum flow-rate q min (l/h) |
| 15 | C | 3 | 1.5 | 22.4 | 15 |
Overall dimensions and weight
| Type | Size(mm) | Length(mm) L | Width(mm) W | Height(mm) H | Connecting Thread D | Weight(kg) |
| LXSG-13D7 | 15 | 115 | 79.5 | 91.5 | G3/4"B | 0.48
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