The water enters the meter from the inlet of the meter body and impacts the vane wheel at the tip of the vane blades to make it rotate. The rotation of the vane wheel (proportional to the velocity of water flow) is transmitted directly to the central gear in the vacuum-sealed register by the magnetic coupling. The sealed register totalizes and indicates the water volume passing through the meter.
* For hot or cold water
* Small, light
* Brass body or plastic body, optional
* Brass body can be painted or nickel coated
* High accuracy
* Pulse Unit (Reed switch) for remote readout systems
* Standard 1 pulse per 10 litres
* For measuring consumption of individual apartments
* For horizontal and vertical installation
* ISO4064:1993 Class B/Class C
* ISO4064:2005 R80/R160
Working Conditions
<0.063MPa(R80/R100)
Accuracy
|
Nominal
Size DN (mm) |
Class of
measurement |
Overload
flow-rate qs(m3/h) |
Permanent
flow-rate qp(m3/h) |
Transitional
flow-rate qt(l/h) |
Minimum
flow-rate qmin(l/h) |
|
15
|
B
|
3
|
1.5
|
120
|
30
|
|
20
|
B
|
5
|
2.5
|
200
|
50
|
|
Size
(mm)
|
Length (mm)
L
|
Width (mm)
W
|
Height (mm)
H
|
Connecting Thread
D
|
Weight
(Kg)
|
|
15
|
110
|
77
|
73
|
G 3/4 B
|
0.57
|
|
20
|
165
|
77
|
80
|
G 1 B
|
0.67
|
Details Images
Working Principle
Water enters the meter body through the inlet and is guided by a special flow channel to form a single, concentrated water jet. This high-speed water jet impacts the impeller, causing it to rotate. The rotation speed of the impeller is proportional to the water flow rate. The rotational motion is then transmitted to the counter mechanism to accumulate and display the total volume of water passing through the meter.
Product Features
Simple Structure: Compared to multi-jet water meters, it has fewer internal components, which makes manufacturing easier and costs lower.
Suitable for Small Flow Scenarios: It performs well in measuring small to medium water flows, with good sensitivity at low flow rates, making it suitable for scenarios with relatively stable water usage.
Compact Size: The overall structure is more streamlined, occupying less space, which is convenient for installation in narrow pipelines or spaces with limited installation conditions.
Cost-Effective: Due to its simple manufacturing process and fewer parts, the production and maintenance costs are relatively low, making it a cost-effective choice for basic water metering needs.
Technical Standards
Similar to multi-jet water meters, single-jet water meters also comply with international standards such as ISO 4064, ensuring their measurement accuracy and performance stability. Their accuracy levels are usually classified into different grades to meet the requirements of different application scenarios.
Application Scenarios
It is mainly applicable to small-scale water consumption environments, such as individual households, small apartments, or low-flow water supply systems. However, due to the characteristics of a single water jet, its measurement stability under large flow fluctuations is slightly inferior to that of multi-jet water meters, so it is less used in scenarios with large and unstable water flows.
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