Double Offset Butterfly Valve
Engineered for durability and reliability, the Resilient Seat Butterfly Valve with a large diameter configuration is designed to meet the requirements of high-volume flow systems. Suitable for a wide range of industrial and utility applications, it features a replaceable seat, corrosion-resistant construction, and multiple actuation options for enhanced performance and flexibility.
Product Specifications
| VALVE TYPE | Double offset |
| BODY STYLE | Wafer, lug, flanged |
| CLASS | Class 150 & 300 |
| SIZE RANGE | 2" to 12" |
| TEMPERATURE RANGE | -46°C to 260°C (Soft seat / fire safe seat) -46°C to 427°C (Metal seat) |
Standards/Specifications
| DESIGN | API 609, BS EN 593, MSS SP 67 |
| FACE TO FACE | API 609 Category-A, B, MSS SP 67, ASME B16.10 |
| TESTING | API 598, BS EN 12266-1, ANSI FIC 70-2 |
| PRESSURE - TEMPERATURE | ASME B16.34 |
| FLANGE ACCOMODATION | ASME B16.5, BS EN 1092 |
| NACE | MR 0175 / ISO 15156-1 (Option available) |
| FUGUITIVE EMISSION | ISO 15848-1&2 (API 641 option available) |
| FLANGED STANDARD | ASME B16.34 |
| FIRE SAFE | API 607, API 6FA and DIN EN ISO 10497 (Option available) |
| OPERATION MODE | Manual- lever, gear box, pneumatic actuator, electric actuator |
| APPLICATIONS | Oil & gas, petrochemical, power generation, water treatment, pharma, HVAC, etc. |
Material of Construction
| BODY | CI, DI, CS, SS |
| DISC | CF8M, CF8, CF3M, CF3, DUPLEX SS |
| SEAT | PTFE, RTFE, EPDM, NITRIL Metal seated |
| STEM | SS 316, SS 410, 17-4 PH, SS314, XM-19, DIPLEX SS |
Features
- ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears
- Adjustable stem packing features pull down gland with easy access without removal of actuator
- Blowout proof stem retention offers easy assembly and disassembly
- Reliable performance for both on/off and throttling duties across various fluid handling systems.
- Disc stop designed to prevent disc rotation in wrong direction and potential seat damage