Gas Roots Flow meter
It is a kind of positive displacement flowmeter, which is used for measure gas volumetric flow through pipe accurately. They are widely used in natural gas?coal gas?air etc accurate metering.
| parameter : |
|
|
Mode |
LLQ-15 |
LLQ-25 |
LLQ-25-1 |
LLQ-40 |
LLQ-40-1 |
LLQ-80 |
LLQ-80-2 |
LLQ-100 |
|
Nominal diameter (mm) |
15 |
25 |
40 |
80 |
100 |
|
Flow range(m3/h) |
3~12 |
4~20 |
5~20 |
10~55 |
20~125 |
30~200 |
|
Basic error limit(%) |
±2 |
±2 |
±2.5 |
±1.5 |
±3 |
±1.5 |
±3 |
±1.5 |
|
Media temperature(C) |
-10~+60 |
|
Nominal pressure(Mpa) |
0.1 |
0.1 |
0.8 |
0.4 |
1.6 |
0.6 |
1.6 |
0.6 |
|
Starting flow(m3/h) |
0.5 |
0.7 |
2.5 |
3 |
3.5 |
5 |
3.5 |
|
Pressure loss(Pa) |
=200 |
=200 |
=300 |
=400 |
=500 |
=400 |
|
Measured media |
Air?natural gas?kerosene gas?hydrogen etc | |
Gas Roots Flow meter |
 | Gas Roots Flow meter |
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