Wapro AB
About
Wapro AB, headquartered in Karlshamn, Sweden and part of the Lagercrantz Group, has delivered flood protection and water flow control solutions since 1989, with over 75,000 professional installations worldwide. The company's product range addresses the full spectrum of backflow prevention, flood defense, and flow regulation for stormwater, wastewater, and aquaculture infrastructure. Their flagship WaStop® inline check valve prevents reverse flow in pipelines, while the WaBack® non-return chamber provides backflow protection for sewer and stormwater flooding scenarios. The WaFlap™ flap valve guards pipe outlets against tidal and storm surge backflow. The WaGate® product line includes both gate valves for industrial water control and sluice gates for flood protection and aquaculture water level management. For flow regulation, Wapro offers the WaReg® hydraulic flow regulator that throttles stormwater discharge to prevent downstream flooding, and the FluidVertic® vortex-chamber flow regulator for precise flow control in water treatment applications. The FlowGuide three-way valve provides directional flow control specifically for land-based aquaculture and fish farming. Wapro's solutions protect residential, municipal, and industrial infrastructure from flooding while preventing pests and sewer odors from entering buildings through drainage networks. The company holds ISO certifications, serves European markets with multilingual support, and exhibits at international aquaculture trade shows.
Key Products
Inline non-return valve that prevents backflow in stormwater and sewer pipelines, protecting against flooding and contamination.
Chamber-style check valve assembly for preventing backflow in flooding, sewage, and stormwater drainage systems.
Flap-type backflow prevention valve installed at pipe outlets to block reverse flow from stormwater and tidal conditions.
Sliding gate valve for isolating flow in aquaculture, industrial water, and flood protection applications.
Large-scale sluice gate for water level regulation in flood control, stormwater retention, and aquaculture installations.
Hydraulic flow regulator that throttles stormwater discharge to prevent pipe system overload and downstream flooding.
Vortex-chamber flow regulator using centrifugal action for precise flow control in water treatment and drainage applications.
Three-way flow direction valve for regulating water circulation in land-based aquaculture and fish farming systems.
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