Product description
DN15-DN40 models, forged brass valve body, stable structure, nut connection installation method is simple, fast, easy to dismantle mainly used in ultrasonic water meters and other flow meter series products.
![](https://bostarmeter.com/wp-content/uploads/2023/12/H15a0cbfe36b140a48169f0d90465d6e6b.webp)
Flow parameter
Diameter (mm) | R(Q3/Q1) | Accuracy Class | Permanent Flowrate Q3(m3/h) | Transitional Flowrate Q2(m3/h) | Mininum Flowrate Q1(m3/h) |
DN15 | R400/R250 | Class2 | 2.5 | 0.01 | 0.00625 |
DN20 | R400/R250 | Class2 | 4 | 0.016 | 0.01 |
DN25 | R400/R250 | Class2 | 6.3 | 0.025 | 0.016 |
DN32 | R400/R250 | Class2 | 10 | 0.04 | 0.025 |
DN40 | R400/R250 | Class2 | 16 | 0.064 | 0.04 |