Product Specifications
| Prod Model: |
40B |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Size: |
1/2"~2" |
| Install: |
Horizontal |
| Nominal Diameter: |
15-50mm |
| Principle: |
Speed of Water Meter |
| Level Measurement: |
B |
| Work Environment: |
Dry Water Meter |
| Medium Pressure: |
General Water Meter |
| Application: |
Civil |
| Counter Instructions: |
Digital |
| Medium Temperature: |
Cold Water |
Product Description
NWM PD-LFC (B) is Piston Displacement (Volumetric) water meter with mechanical transmission, liquid sealed register has the sizes from Dn15 to Dn40 designed by NWM and meets to the requirements of Directive 2004/22/EC on measuring instruments; The European Standard EN14154+A1+A2: Water Meter; The International Organization of Legal Metrology OIML R-49: 2006(E): Water meters intended for the metering of cold potable water and hot water or comply with ISO4064 Standard.
Characteristics:
All the components are produced with high resistance and quality materials, technical plastics and stainless steel parts;
Cold water meter under current standard for lower than 30ºC(T30), but NWM PD-LFC (B) can be used safely in water temperature up to 50ºC(T50);
The rollers are protected by special liquid don't touch with the water which ensures the clear reading in any operating conditions;
The mechanical transmission movement with the maximum reliability; No influence from the external magnetic field;
Suitable for any position installation;
Non Return Valve to avoid the reserve flow Rate;
|
Size |
mm |
Dn15 |
Dn20 |
Dn25 |
Dn32 |
Dn40 |
|
R |
Q3/Q1 |
160 |
160 |
160 |
160 |
160 |
|
Q4 |
m 3 /h |
3, 125 |
5 |
7, 875 |
12, 5 |
20 |
|
Q3 |
m 3 /h |
2, 5 |
4 |
6, 3 |
10 |
16 |
|
Q2 |
l/h |
25 |
40 |
63 |
100 |
160 |
|
Q1 |
l/h |
15, 625 |
25 |
39, 375 |
62, 5 |
100 |
|
Max. Reading |
m 3 |
99, 999, 999 |
999, 999, 999 |
|
Min. Reading |
Liter |
0, 02 |
|
Pressure Loss |
Δ P |
Δ P< 63 at Q3 |
|
Max. Pressure |
MAP |
MAP16 |
|
Max. Temperate |
º C |
T30 or T50 |
Ningbo Water Meter Co., Ltd. is the largest water meter manufacturer in China and also the world's largest production base of water meters, has built up a worldwide reputation for quality and precision in water meter industry.
Ningbo Water Meter Co., Ltd. Who takes the quality of products as the life of the enterprise, consistently focuses on brand building and product quality. At the late 1980s, our products had won the honorary of the National Golden and Silver Medal. In 1990s we are the only enterprise in water meter industry which won the honor of China Famous Brand, Certificate for Product Exemption from Quality Surveillance Inspection, China Top Brand for twice times. In 1994, we were the pioneer of leading through the ISO9000 Quality System Certification.
In half a century process of enterprise development, Ningbo Water Meter Co., Ltd. Set up an engineering center at the provincial level, equipped with various types of advanced scientific research facilities, continuously specializes in innovative water measurement technologies, developing, manufacturing.
