Product Description

Momentum Preserver™ Stormwater Treatment System
The Preserver™ is a retrofittable, gravity-based stormwater treatment system designed to remove floatables, sediment, and organics from sump manholes. It is a cost-effective alternative to traditional hydrodynamic separators and is ideal for both new and retrofit installations.

Features & Benefits

Features:

  • Two-part system: Energy Dissipator (inlet) and Skimmer (outlet)
  • Retrofits through a standard 24″ (600mm) manhole opening
  • Adjustable components to accommodate pipe protrusions
  • Handles pipe diameters up to 48″ (1200mm)
  • Third-party tested up to 16 CFS; CFD modeled up to 175 CFS
  • Easy to install, inspect, and maintain
  • Designed for high debris loads and extreme conditions
  • U.S. Patent #9,752,600.B2 and Canadian Patent #2893173

Benefits:

  • Captures trash, oil, gas, leaves, algae, and sediment
  • Prevents pollutant washout during high flows
  • Enhances pollutant removal at low flows
  • Reduces downstream BMP maintenance costs
  • Ideal for pretreatment in stormwater treatment trains
  • Proven performance in freezing climates and large drainage areas
  • Budget-friendly alternative to vortex and swirl separators
  • Backed by an industry-leading performance guarantee

Applications

  • Sump manholes
  • Urban stormwater retrofits
  • New development drainage
  • Pretreatment for filtration or infiltration BMPs
  • Industrial and commercial sites
  • Municipal stormwater programs

LEARN MORE ABOUT

The Preserver