The WaStop Inline check valve installs in stormwater systems and outlets, providing immediate protection against flooding and backflow. Its unique, simple, and effective design also prevents unwanted odour, especially at outlets in tidal environments. The standard variant is supplied with an EPDM gasket and mounting tabs. Technical specification: /* Container for specs + image */ .tech-container { display: flex; gap: 20px; align-items: flex-start; } /* Specification table column */ .tech-spec-col { width: 40%; } /* Image column */ .tech-image-col { width: 60%; text-align: center; } .tech-image-col img { max-width: 100%; height: auto; display: block; margin: 0 auto; } /* Mobile: stack table and image */ @media (max-width: 768px) { .tech-container { flex-direction: column; } .tech-spec-col, .tech-image-col { width: 100%; } .tech-image-col { margin-top: 12px; } } Name: WaStop 265 NPS: NPS 12 DN: DN 300 Bolt Circle Diameter (BCD): 416mm Ø Bolt Holes (ØB): 10.5mm Dimension (D): 265mm Max. Flow Volume: 115 l/s Max. Flow Velocity: 2 m/s Max. ID Host Pipe: 283mm Min. ID Host Pipe: 267mm # Bolt holes (#B): 2 Outer Ø (OD): 265mm OD incl. gasket (ODG): 285mm Valve body length (L): 550mm Weight: 9.4kg