指针式流量开关流量范围：
1型 |
流量范围(l/h) |
编号 | 压 力 损 失 △Pmax(kPa) |
3/4” DN15 | 20-160 | 15.1 | 8.5 |
40-250 | 15.2 | 12.0 | |
50-400 | 15.3 | 15.0 | |
80-600 | 15.4 | 20.0 | |
150-1000 | 15.5 | 45.0 | |
200-1600 | 15.6 | 15.0 | |
300-2500 | 15.7 | 45.0 | |
1”
DN25 | 200-1600 | 25.1 | 10.0 |
300-2500 | 25.2 | 20.0 | |
400-3000 | 25.3 | 30.0 | |
500-4000 | 25.4 | 40.0 |
1 1/2”DN40 | 500-4000 | 40.1 | 7.0 |
800-6000 | 40.2 | 11.0 | |
1000-8000 | 40.3 | 13.0 | |
1200-10000 | 40.4 | 15.0 | |
2”(2 1/2”)
DN50/65 | 1200-10000 | 50.1 | 8.0 |
2000-16000 | 50.2 | 25.0 | |
2500-20000 | 50.3 | 35.0 | |
4000-25000 | 50.4 | 38.0 | |
7500-30000 | 50.5 | 40.0 |
2型 | 流量范围(m3/h) | 编号 | 压 力 损 失 △Pmax(kPa) |
DN80 | 10-40 | 80.1 | 1.5 |
12-50 | 80.2 | 1.0 | |
16-60 | 80.3 | 1.0 | |
20-70 | 80.4 | 1.0 | |
DN100 | 15-60 | 100.1 | 2.0 |
20-80 | 100.2 | 1.5 | |
25-100 | 100.3 | 2.0 | |
30-120 | 100.4 | 3.0 | |
DN125 | 25-100 | 125.1 | 2.5 |
30-120 | 125.2 | 2.5 | |
40-150 | 125.3 | 2.5 | |
45-180 | 125.4 | 3.0 | |
DN150 | 40-150 | 150.1 | 3.0 |
45-180 | 150.2 | 3.5 | |
60-220 | 150.3 | 3.5 | |
65-250 | 150.4 | 3.0 | |
DN200 | 50-220 | 200.1 | 4.5 |
70-250 | 200.2 | 4.0 |
