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 1040 Flange NPS: NPS 42 DN: DN 1050 Bolt Circle Diameter (BCD): 1245mm Ø Bolt Holes (ØB): 17mm Dimension (D): 1040mm Max. Flow Volume: 3464 l/s Max. Flow Velocity: 4 m/s Max. ID Host Pipe: 1070mm Min. ID Host Pipe: 1048mm # Bolt holes (#B): 16 Outer Ø (OD): 1040mm Valve body length (L): 2000mm Weight: 240kg