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Explore our complete range of control valves and self-operated regulators. Custom designs, test certificates, and engineering support are available for complex working-condition projects.
Low-Load Control Shut-Off Butterfly Valve (Model W Series (Light-load Butterfly Valve)) is a control valve for Petroleum, Chemical, Metallurgy, Energy, Coal Gasification. It is available in DN80 ~ DN3200 (3" ~ 128") with pressure ratings of PN2.5 ~ PN16 / ANSI 150 and a working temperature range of -45℃ ~ 800℃. Body materials include WCB, CF8, CF8M, CF3M, and the valve can be supplied with Pneumatic / Electric / Hydraulic actuation and leakage performance to 2% × Cv; 0.5% × Cv.
| Model | W Series (Light-load Butterfly Valve) |
| Size Range | DN80 ~ DN3200 (3" ~ 128") |
| Pressure Rating | PN2.5 ~ PN16 / ANSI 150 |
| Working Temperature | -45℃ ~ 800℃ |
| Body Material | WCB, CF8, CF8M, CF3M |
| End Connection | Wafer, Lug, Double Flange |
| Structure | Concentric / Light offset butterfly disc |
| Actuator Type | Pneumatic / Electric / Hydraulic |
| Leakage Class | 2% × Cv; 0.5% × Cv |
| MOQ | 1 Unit |
| Warranty | 3 Years |
| Delivery | 50 Units / 30 Days |
| Customization | OEM / ODM / OBM |
For final sizing, please provide the medium, flow rate, inlet and outlet pressure, working temperature, connection standard, and required material. Our engineering team will confirm the model and configuration.