Metso Full portfolio Check valve

Check valves

Flow control for abrasive & corrosive slurries

The duckbill check valve is a high-performance, elastomeric valve designed for backflow prevention in a wide range of industries. Its flexible, one-piece design eliminates the need for mechanical parts, ensuring long-lasting, maintenance-free operation in even the most demanding environments.

Parts that perform better and last longer to help you reach your sustainability targets

Energy efficient

 

Operates with low head pressure, reducing system energy consumption.

Zero maintenance

 

No moving parts, reducing wear and eliminating frequent servicing.

Reliable backflow prevention

 

Ensures unidirectional flow, stopping reverse flow automatically.

Corrosion & chemical resistant

 

Made from durable elastomeric materials for harsh conditions.

Benefits
  • Reliable backflow prevention – Ensures unidirectional flow, stopping reverse flow automatically.

  • Zero maintenance – No moving parts, reducing wear and eliminating frequent servicing.

  • Corrosion & chemical resistant – Made from durable elastomeric materials for harsh conditions.

  • Energy efficient – Operates with low head pressure, reducing system energy consumption.

  • Clog-resistant design – Flexible construction prevents debris buildup and blockages.

  • Versatile applications – Suitable for wastewater, stormwater, slurry, and industrial flow control.

 

Benefits
Features
Features
  • One-piece elastomer construction – Eliminates mechanical failures and extends lifespan.

  • Customizable xizes & materials – Available in multiple configurations to meet specific needs.

  • Low opening pressure – Allows for efficient, unrestricted flow with minimal resistance.

  • Easy installation – Can be installed in existing pipelines, outfalls, and pumping systems.

  • Silent operation – Eliminates valve slam and reduces water hammer effects.

Applications
  • Municipal & industrial wastewater – Preventing sewage and effluent backflow.

  • Stormwater & flood control – Managing drainage and outfall protection.

  • Mining & slurry systems – Handling abrasive slurries and process water.

  • Marine & coastal protection – Preventing seawater intrusion in pipelines.

  • Power plants & refineries – Controlling discharge flows in industrial applications.

Applications
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