Measuring the total volume of cold potable water passing through the pipeline
Application:
--Measuring the total volume of cold potable water passing through the pipeline.
Feature:
--Dry type, magnetic drive, easy and long term clear reading, frost resistance, long working life etc.;
--High quality materials corrosion resistance
--Pole ring magnet polymer coating as protection against deposits.
--Plastic connector nut
--Data Output Options: 10 L/Pulse, 100 L/Pulse, or 1000 L/Pulse
-- Technical data conform to international standard ISO4064 Class B Class C R80,R100,R125,R160.
Working condition:
Water temperature: 0.1°C~50°C for cold water meter .
Water pressure: ≤1.0Mpa
Compliance with standard: ISO4064(GB/T778.1-1996) ISO4064(GB/T778.1-2007)
Maximum permissible error:
(1) in the lower zone from Qmin(Q1) inclusive up to but excluding Qt(Q2) is ±5%.
(2) in the upper zone from Qt(Q2) inclusive up to and including Qs(Q4) is ±2%;
According ISO4064(GB/T778.1-1996) standar
|
Main technical data |
||||||||
|
DN TYPE（mm） |
Grade of accuracy rate |
Flowtrundown |
Q3 Permanent flow-rate (m3/h) |
Q2 Transitional flow-rate (Mh) |
QI Minimum flow-rate (Uh) |
Q4 Overload flow-rate (m3/h) |
Mini reading |
Max reading |
|
Q3/Q1 |
m3 |
|||||||
|
|
|
80 |
2.5 |
50 |
31.25 |
3.125 |
0.00005 |
99999 |
|
15 |
2 |
100 |
40 |
25 |
||||
|
|
|
160 |
25 |
15.625 |
||||
|
|
|
80 |
4 |
80 |
50 |
5 |
||
|
20 |
2 |
100 |
64 |
40 |
||||
|
|
|
160 |
40 |
25 |
||||
|
|
|
80 |
6.3 |
126 |
78.75 |
7.875 |
||
|
25 |
2 |
100 |
100.8 |
63 |
||||
|
|
|
160 |
63 |
39.375 |
||||
|
|
|
80 |
6.3 |
126 |
78.75 |
7.875 |
||
|
32 |
2 |
100 |
100.8 |
63 |
||||
|
|
|
160 |
63 |
39.375 |
||||
|
|
|
80 |
16 |
320 |
200 |
20 |
0.0005 |
99999 |
|
40 |
2 |
100 |
256 |
160 |
||||
|
|
|
160 |
160 |
100 |
||||
|
|
|
50 |
25 |
3150 |
500 |
31.25 |
||
|
50 |
2 |
100 |
1000 |
250 |
||||
|
|
|
250 |
250 |
100 |
||||
