The WaStop check valve installs in stormwater systems, providing immediate protection against flooding and backflow. Its unique, simple, and effective design also prevents unwanted odour and pest intrusion. This model features a flange for bolting onto a head wall, ensuring secure and fast installation. 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 146 Flange Outlet NPS: NPS 6 DN: DN 150 Bolt Circle Diameter (BCD): 250mm Ø Bolt Holes (ØB): 9mm Dimension (D): 144.5mm Max. Flow Volume: 36 l/s Max. Flow Velocity: 2 m/s Max. ID Host Pipe: 159mm Min. ID Host Pipe: 146mm # Bolt holes (#B): 8 Outer Ø (OD): 144.5mm Valve body length (L): 300mm Weight: 3kg