Model: V57SG
A Type 57 plastic butterfly valve operated by a plastic gear box and handwheel. It installs in the wafer style from 40mm to 350mm and has a triple seal system and an anti over-compression seal system.


| Size Range | 40 mm-350 mm (1 1/2 inch-14 inch) |
| Body Material | PVC-U, PP, PVDF (not in contact with media) |
| Disc Material | PVC-U, PP, PVDF |
| Seal/Seat Material | EPDM, FKM, FKM-F (options: CSM, NBR) |
| 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} |
| Gear Box | TYPE1 (40mm-250mm), TYPE3 (300mm, 350mm) |
| Handwheel Rotations | 9.5 |
| Stem Material | SS403 (options: SS316, Alloy C-276) |
| Model Code | V57SG |
| Options | Gear locking device, lubricant-free wetted parts |
| Size | 40~350 |