Butterfly valves possess many advantages over other valves, especially for large valve applications. Savings in weight, space and cost are the most obvious advantages. The maintenance costs are usually low because there is minimal number of moving parts.
| Design Standard | API-609 |
| Testing Standard | AP I598 |
| Pressure/Temperature Rating | PN 10 I PN 16 |
| Face to Face Dimensions | As per ISO 5752 Wafer short & API 609 Category A |
| End Connection | Wafer or Lugged Operation |
| Operation | Lever, Gear, E lectric & Pneumatic Actuator |
| Material | Dl | CI | ASTM A216 Gr.WCB | CF8 | CF8M |
| PN 10 | DN 40 up to DN 800 |
| PN 16 | DN 40 up to DN 300 |