The double-offset disk bearing is mounted in maintenance free bushing. The double eccentric cast iron butterfly valve is with medium free bearing (dry shaft) in body by means of double O-ring sealing and closed disk eyes.
| Model | BVWG 593 (Worm Gear Operated) |
| Standard | BS EN 593: 2017 |
| Diameter(mm) | 50mm, 80mm, 100mm, 150mm, 200mm, 250mm, 300mm, 350mm 400mm, 450mm, 500mm, 600mm, 700mm, 750mm, 800mm, 900mm, 1000mm, 1200mm, 1400mm, 1400mm |
| Material | Ductile Iron |
| Working Pressure | PN 16 |
| Coating | Fusion Bonded Epoxy (Blue) |
