Butterfly valves
Short and light, so they are the economical choice for large sizes. Concentric models suit water and HVAC; double-offset models suit higher temperatures and pressures.
DN 50–500, PN 10–25. Wafer, lug and double-flanged.
Wafer butterfly valve
DV-KB-1010
- Nominal size
- DN 50–300
- Pressure rating
- PN 10, 16
- Body material
- Ductile iron EN-GJS-400-15 (GGG40)
- Connection
- Wafer (between flanges)
Lug butterfly valve
DV-KB-1020
- Nominal size
- DN 50–300
- Pressure rating
- PN 16
- Body material
- Ductile iron EN-GJS-400-15 (GGG40)
- Connection
- Lug (tapped lugs)
Double-flanged butterfly valve
DV-KB-2016
- Nominal size
- DN 200–500
- Pressure rating
- PN 10, 16
- Body material
- Ductile iron EN-GJS-500-7 (GGG50)
- Connection
- Flanged
Double-offset butterfly valve
DV-KB-3025
- Nominal size
- DN 100–400
- Pressure rating
- PN 25
- Body material
- Cast steel GP240GH (1.0619)
- Connection
- Flanged
Marine butterfly valve
DV-KB-4010
- Nominal size
- DN 50–250
- Pressure rating
- PN 10
- Body material
- Ductile iron EN-GJS-400-15 (GGG40)
- Connection
- Wafer (between flanges)
| Code | Product | Nominal size | Pressure rating | Body material | Connection | Operating temperature | Datasheet |
|---|---|---|---|---|---|---|---|
| DV-KB-1010 | Wafer butterfly valve | DN 50–300 | PN 10, 16 | Ductile iron EN-GJS-400-15 (GGG40) | Wafer (between flanges) | −10 … +110 °C | On request |
| DV-KB-1020 | Lug butterfly valve | DN 50–300 | PN 16 | Ductile iron EN-GJS-400-15 (GGG40) | Lug (tapped lugs) | −10 … +110 °C | On request |
| DV-KB-2016 | Double-flanged butterfly valve | DN 200–500 | PN 10, 16 | Ductile iron EN-GJS-500-7 (GGG50) | Flanged | −10 … +110 °C | On request |
| DV-KB-3025 | Double-offset butterfly valve | DN 100–400 | PN 25 | Cast steel GP240GH (1.0619) | Flanged | −20 … +250 °C | On request |
| DV-KB-4010 | Marine butterfly valve | DN 50–250 | PN 10 | Ductile iron EN-GJS-400-15 (GGG40) | Wafer (between flanges) | −10 … +90 °C | On request |
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