|
流体 流量计 |
V型锥 |
孔板 |
文丘里管 |
喷嘴 |
均速管 |
弯管 |
|
洁净气/液体 |
○ |
○ |
○ |
○ |
○ |
○ |
|
脏污气/液体 |
○ |
◎ |
√ |
◎ |
◎ |
√ |
|
腐蚀性液体 |
○ |
○ |
◎ |
◎ |
√ |
√ |
|
粘性液体 |
◎ |
◎ |
◎ |
◎ |
◎ |
◎ |
|
腐蚀浆液 |
○ |
Ⅹ |
◎ |
◎ |
Ⅹ |
√ |
|
含纤维浆液 |
○ |
Ⅹ |
◎ |
◎ |
Ⅹ |
◎ |
|
低流速流体 |
○ |
○ |
◎ |
◎ |
◎ |
Ⅹ |
|
蒸汽(气) |
○ |
○ |
○ |
○ |
○ |
○ |
|
高温流体 |
○ |
○ |
◎ |
◎ |
◎ |
◎ |
|
低温流体 |
○ |
○ |
◎ |
◎ |
◎ |
◎ |
|
不冲满管道 |
Ⅹ |
Ⅹ |
Ⅹ |
Ⅹ |
Ⅹ |
Ⅹ |
|
非牛顿流体 |
Ⅹ |
○ |
◎ |
◎ |
Ⅹ |
◎ |
|
明渠 |
Ⅹ |
Ⅹ |
Ⅹ |
Ⅹ |
Ⅹ |
Ⅹ |
|
○— 设计首选; ◎— 在一定条件下可用; √— 通常可用; Ⅹ— 不适用 | ||||||
|
测量管内径
(mm) |
流量计总长
L(mm) |
取压孔直径
d(mm) |
测量管内径
(mm) |
流量计总长
L(mm) |
取压孔直径
d(mm) |
|
15 |
200 |
6 |
450 |
900 |
8 |
|
20 |
200 |
6 |
500 |
1000 |
8 |
|
25 |
200 |
6 |
600 |
1200 |
8 |
|
32 |
250 |
6 |
650 |
1200 |
8 |
|
40 |
250 |
6 |
700 |
1300 |
8 |
|
50 |
300 |
6 |
750 |
1400 |
8 |
|
65 |
300 |
6 |
800 |
1500 |
8 |
|
80 |
350 |
6 |
900 |
1600 |
8 |
|
100 |
400 |
1000 |
1800 |
8 | |
|
125 |
450 |
8 |
1200 |
2100 |
8 |
|
150 |
550 |
8 |
1500 |
2500 |
8 |
|
200 |
650 |
8 |
1600 |
2500 |
8 |
|
250 |
710 |
8 |
1700 |
2800 |
8 |
|
300 |
750 |
8 |
1800 |
30000 |
8 |
|
350 |
750 |
8 |
2000 |
3200 |
8 |
|
400 |
800 |
8 |
2500 |
3600 |
8 |