Check valve / storm gate MULTITUBE DN300 d316, one mechanical check flap, for underground installation, for d315mm rainwater pipes, plastic, black color 71300

Single-flap non-return valve for non-fecal wastewater, designed for underground installation

The valve closes automatically upon flow reversal — the mechanical flap responds to changes in flow direction without the need for power supply or manual intervention. Made of plastic, it is corrosion-resistant and suitable for long-term operation in underground conditions.

The connections are equipped with clamping bands, allowing connection to pipes with an outer diameter ranging from 310 to 335 mm — corresponding to DN300 + 20 mm. This enables flexible joining with pipes of various materials without the need for additional adapters.

Applications include sewer lines connected to rainwater collectors, closed and open watercourses — both flowing and stagnant. The valve protects against backflow of non-fecal wastewater while also providing protection against rodents and amphibians.

The cover is screwed on, allowing easy access for inspection or cleaning of the flap. The valve is delivered ready for installation. Color: black.