Volumetric Piston Water Meter is used to measure the total quantity of cold potable water consumed in a household or a resident unit, passing through the pipeline.
Volumetric Piston Water Meter conditions of use
Temperature class: T30;
Water pressure class: MAP 10 / MAP 16;
Pressure loss level: △P 63.
Volumetric Piston Water Meter Features
1. Adopting rotary piston type metering structure, with high metering accuracy;
2. The counting mechanism is encapsulated with a special liquid, with clear reading and compact appearance;
3. The water inlet is equipped with a check valve to prevent backflow.
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Description |
Unit |
Hydraulic Data And Dimensions |
|||||
|
Nominal Size |
mm(inch) |
DN15(1/2) |
DN20(3/4) |
DN(1) |
DN32(1-1/4) |
DN40(1-1/2) |
|
|
Q4 Error Limit ±2% |
m³/h |
3.125 |
5 |
7.875 |
12.5 |
20 |
|
|
Q3 Error Limit ±2% |
m³/h |
2.5 |
4.0 |
6.3 |
10 |
16 |
|
|
Q2 Error Limit ±2% |
l/h |
25 |
40 |
63 |
100 |
160 |
|
|
Q1 Error Limit ±5% |
l/h |
15.6 |
25 |
39.4 |
62.5 |
100 |
|
|
Min.Reading |
l |
0.05 |
0.05 |
0.05 |
0.5 |
0.5 |
|
|
Max.Reading |
m³ |
9999.9999 |
9999.9999 |
9999.9999 |
99999.999 |
99999.999 |
|
|
L |
mm |
115 |
165 |
199 |
260 |
300 |
|
|
B |
mm |
43 |
43 |
53 |
60 |
77 |
|
Advantages of the Volumetric Piston Water Meter
This water meter is primarily used to measure the total amount of water flowing through the water pipes of a household or residential unit. The piston rotation principle is used.
It has the advantage of high metering accuracy, as the counter is separated from the water during metering. The data is therefore clearly displayed and easy to read.
High-quality raw materials are used to ensure that the performance of the water meter is reliable and stable, especially when used in a network with good water quality, and that it will last longer.
The sturdy structure, simple appearance, can be installed in any direction, and the use of flexible.
Composition and characteristics of the rotary piston water meter:
Rotating piston water meter is a kind of water meter that measures the amount of water passing through the water meter according to a certain volume, which is characterized by the movement of this kind of water meter is a kind of movement that is different from the traditional speed water meter and similar to piston operation, the structure of this movement is very different from the traditional speed water meter.
The movement is composed of a counting mechanism and a metering mechanism. The counting mechanism is composed of a pin, a gear box and a counter, and the metering mechanism is composed of a metering chamber, a piston rotor, a spacer, a bushing, a toggle and a cover plate.
The principle of rotary piston water meter
Rotary piston water meters are also known as volumetric water meters due to their metering principle, the basic principle of metering has common features with traditional speed water meters, but also has obvious differences; volumetric water meters, like speed water meters, are driven by water pressure as a source of driving force, driving the piston or impeller for movement, and then through the rotation of the gears will display the water flow on the counter, volumetric water meters, and speed water meters in the movement structure The difference in construction between volumetric and velocity water meters makes how the water pressure drives the piston or impeller also different.
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