Características estándar
| Series | Tamaño | ASME | % Apertura |
| 900 | 2″ to 20″ (50 mm to 200 mm) | 150 to 600 | 100% |
| 8800 | 8″ to 24″ (200 mm to 600 mm) 6″ to 8″ (150 mm to 1050 mm) |
150 300 |
70% |
| 800 | 2″ to 42″ (50 mm to 1050 mm) | 150 to 1500 | 70% |
| 200 | 2″ to 6″ (50 mm to 150 mm) | 150 to 600 | 70% |
| 400 | 6″ to 24″ (150 mm to 600 mm) | 150 to 600 | 40% |