The concentric butterfly valve is a standard or a general use butterfly valve. The shaft is located in the center of the disc. During opening or closing, there are some parts of the disc that always in-contact or rubbing the seat.
| Model | BVWG 593 (Lever Operated) |
| Standard | BS EN 593 |
| Diameter(mm) | 50mm, 80mm, 100mm, 150mm, 200mm, 250mm, 300mm |
| Material | Ductile Iron |
| Working Pressure | PN 16 |
| Coating | Fusion Bonded Epoxy (Blue) |
