The Preserver, by Momentum Environmental, LLC
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The Preserver™ - Stormwater Gravity Separator
The Preserver™ is a gravity separator designed for the treatment of stormwater. Introduced to the Minnesota market in 2014, it has since been deployed across the U.S. and Canada, proving its effectiveness and reliability. The system can function both as a standalone BMP or as a pretreatment solution, optimizing downstream infrastructure protection and offering a cost-effective maintenance strategy. Components include the Energy Dissipator and the Skimmer, which can be used individually or together to achieve desired performance outcomes. The Preserver™ has received third-party verification, ensuring high performance standards. It is backed by a robust industry guarantee, owing to its extensive installation track record. Patented in both the U.S. and Canada, the unit underscores Momentum Environmental's commitment to providing sustainable and effective stormwater management solutions.
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The Preserver™ is an innovative, retrofittable stormwater treatment device. Preservers™ are used as stand-alone BMPs, providing proven performance to meet project requirements. The Preserver™ system is also a great option for pretreatment, protecting downstream BMPs, providing an easily accessible and inexpensive maintenance point, while also reducing your site's overall maintenance costs.
The Preserver™ consists of two components, the Energy Dissipator and the Skimmer. Components can be utilized individually or in tandem as needed to meet project goals.
The Preserver™ Energy Dissipator
- Installed at the structure inlet(s)
- Nearly eliminates pollutant washout at high flows
- Enhances pollutant removal at low flows
- Designed and tested to work with or without a skimmer
The Preserver™ Skimmer
- Installed at the structure outlet
- Traps floatable pollutants like trash, oil, & gas
- Enhances capture of organics like leaves, algae, seeds, & blooms
Features & Benefits
- All components are retrofittable through a Ø24” (600mm) opening
- All components are adjustable to accommodate pipe protrusions and to avoid installation obstructions
- Accommodates pipe diameters up to Ø48” (1200mm)
- Easy to install, access, inspect, & maintain
Third-Party Verification
- Rigorous lab testing up to 16 CFS (450 L/S)
- Computational fluid dynamics up to 175 CFS (5,000 L/S)
- Extensive field monitoring under extreme conditions including heavy debris loading, freezing conditions, & large drainage areas/flows