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Butterfly Valve, Double Flanged, with Gearbox, Nodular Cast Iron, JIS 5K, 250 mm (DN250)
Technical Specifications
| Item | Specification |
|---|---|
| IMPA Code | 752318 |
| Valve Type | Double Flanged Butterfly Valve |
| Nominal Size | 250 mm (DN250 / 10") |
| Pressure Rating | JIS 5K (5 kgf/cm²) |
| Body Material | Nodular (Ductile) Cast Iron |
| Disc Material | Stainless Steel |
| Seat Material | NBR Rubber |
| End Connection | Double Flanged |
| Operation | Worm Gear / Gearbox |
| Face-to-Face | Approx. 68 mm |
| Flange Outside Diameter | 406 mm |
| Pitch Circle Diameter (PCD) | 345 mm |
| Bolt Holes | 12 × 23 mm |
| Unit of Supply | Piece (PCS) |
The valve is a double-flanged resilient-seated butterfly valve with a worm gear operator, intended for quarter-turn isolation in marine and industrial piping. The ductile iron body, stainless steel disc, and NBR seat provide reliable bi-directional shut-off for seawater, ballast, freshwater, cooling water, and other general service applications.
