Model: TYPE 57
A plastic butterfly valve offering excellent operability and flow characteristics through 19-step fine opening control, with outstanding durability and corrosion resistance. It can be easily converted to lever, gear, or automatic types.
| Size Range (Lever Type) | 40 mm-200 mm (1 1/2 inch-8 inch) |
| Size Range (Gear Type) | 40 mm-350 mm (1 1/2 inch-14 inch) |
| Body Material | U-PVC, PP, PVDF |
| Seal/Seat Material | EPDM, FKM, etc. |
| Connection Type | Wafer (JIS10K, JIS5K, DIN, ANSI) |
| Operating Temperature Range (U-PVC) | 0℃~50℃ |
| Operating Temperature Range (PP) | -20℃~80℃ |
| Operating Temperature Range (PVDF) | -20℃~120℃ |
| Max Working Pressure (40mm-250mm) | 1.0 MPa {10.2 kgf/cm²} |
| Max Working Pressure (300mm, 350mm) | 0.75 MPa {7.7 kgf/cm²} |
| Manual Model Code (Lever) | V57LV |
| Manual Model Code (Gear) | V57SG |
| Automatic Model Code (Pneumatic TA) | A57K |
| Automatic Model Code (Electric T) | A57T |
| Automatic Model Code (Electric S) | A57S |
| Compatible Pneumatic Actuator | TYPE TA |
| Pneumatic Actuator Model (Double Acting) | TA2A-****D (Air to Open/Air to Close) |
| Pneumatic Actuator Model (Spring Return) | TA2A-****R |
| Compatible Electric Actuator | TYPE T, TYPE S |
| Electric Actuator (Type T) Power | Single-Phase 100V, Single-Phase 200V |
| Electric Actuator (Type T) Model | T-O, T-1, T-2, T-2.5, T-3 |
| Electric Actuator (Type S) Power | Three-Phase AC200V, Three-Phase AC400V |
| Electric Actuator (Type S) Model | SRJ-010, SRJ-020, SRJ-060, LTRM-01/BRM1, LTRH-01/BRM1 |
| Dimension Info | See catalog pages 74-77 for detailed dimensions (JIS, DIN, ANSI) |