Sizes
Available sizes are DN50-250.
Properties
- Max operating pressure of 12.5 to 21.5 bar
- Available grooved (DN50-300), mounted between flanges (Wafer, DN65-250) or thread (DN50)
- NSF certified Polyamide-treated cast iron frame offers superior protection against
- Max operating temperature of 120 ° C
Flow Data
Formula C v for calculating
Q = Flow (GPM – Gallons / min) ΔP = Pressure drop in the valve (PSI), C v = Flow coefficient 1 GPM = 3.78541 LPM (Liters / minute) to 1 psi = 0.0689 Bar
| In inches | DN | OD (mm) | Cv (fully open) |
| 2½ | 65 | 76.1 | 221 |
| 3 | 80 | 88.9 | 324 |
| 4 | 100 | 114.3 | 670 |
| 5 | 125 | 141.3 | 1200 |
| 6 | 150 | 168.3 | 1934 |
| 8 | 200 | 219.1 | 3874 |
