Feature:
--Multi-jet, easy for maintenance;
--Magnetic drive reliable characteristic, long working life;
--Vacuum sealed register ensures the dial keep free from fog and frost, Keep the reading clear in a long term service;
-- Technical data conform to international standard ISO4064 Class B.
Working condition:
Water temperature: 0.1°C~30°C for cold water meter .
30°C~90°C for hot water meter.
Water pressure : ≤1.0Mpa.
Maximum permissible error:
(1) in the lower zone from qmin inclusive up to but excluding qt is ±5%.
(2) in the upper zone from qt inclusive up to and including qs is ±2%;
Hot water meter ±3%.
Type |
Size (mm) |
Class |
qs Overload Flow |
qp Permanent Flow |
qt Transitional Flow |
qmin Minimum Flow |
Minimum Reading |
Maximum Reading |
m3/h |
L/h |
m3 |
||||||
DN15 |
15 |
B |
3 |
1.5 |
120 |
30 |
0.00005 |
99,999 |
DN20 |
20 |
B |
5 |
2.5 |
200 |
50 |
0.00005 |
99,999 |
DN25 |
25 |
B |
7 |
3.5 |
280 |
70 |
0.00005 |
99,999 |
Type |
Size |
L Length |
L1 Length |
B Width |
H Height |
d Connecting Thread |
DN15 |
15 |
259 |
165 |
78 |
99 |
G3/4B |
DN20 |
20 |
299 |
195 |
78 |
99 |
G1B |
DN25 |
25 |
345 |
225 |
83 |
99 |
G11/4B |