UG model separators are mainly suitable for underground installation in stormwater runoff applications.

Oil Water Separation Options

HYDRAPASS® – In large surface-area stormwater run-off, the “first flush” entrains the majority of the contaminants. The patented HYDRAPASS® can be used in conjunction with the HYDRASEP® to ensure that the “first flush” is treated and that excess flows are by-passed. The HYDRAPASS/HYDRASEP combination provides an economical and effective storm water run-off treatment.

All units can be equipped with the following standard options. Contact us for other options and/or sizes.

  • Double Wall
  • Level Sensors/Alarms
  • Automatic Controls
  • Oil Removal Pumps
  • Water Discharge Pumps
  • Large Storm Event Bypass

    • Oil Water Separator Features

  • Low Maintenance
  • Solids Retention/Removal
  • No Moving or Replaceable Parts
  • No Coalescers or Meshes
  • Non-Clogging
  • Solids Retention/Removal
  • External Corrosion Protection
  • Up To Three Foot Manway Extensions Included

    • Technical Data Chart

    Looking for technical info? View the data chart to see how the Hydrasep UG Underground model fits your needs.

    Hydrasep UGR Model Oil Water Separator Data Chart
    Model #
    UGR    		 Volume Diameter Length* Pipe Diameter Pipe Elevation♣ Oil Storage
    Capacity    		 Flow Rate
    Inlet Outlet Inlet Outlet
    (Gal.) (in.) (ft.) (in.) (in.) (in.) (in.) (Gal.) (gpm)
    HS-550-UGR 550 42 8.16 2 1/2 2 1/2 36 33 275 55
    HS-1000-UGR 1,000 42 14.25 4 4 36 34 600 100
    HS-2000-UGR 2,000 54 18.33 6 6 46 43 1,000 200
    HS-3000-UGR 3,000 60 20.33 6 6 51 48 1,500 300
    HS-4000-UGR 4,000 66 22.33 8 8 57 53 2,000 400
    HS-5000-UGR 5,000 72 24.33 8 8 62 58 2,500 500
    HS-6000-UGR 6,000 78 26.33 8 8 66 62 3,000 600
    HS-8000-UGR 8,000 84 28.33 10 10 72 68 4,000 800
    HS-10000-UGR 10,000 90 30.33 10 10 77 72 5,000 1,000
    HS-12000-UGR 12,000 96 32.33 12 12 83 78 6,000 1,200
    HS-15000-UGR 15,000 102 36.33 12 12 85 83 7,500 1,500
    HS-18000-UGR 18,000 106 37.00 14 14 93 88 9,000 1,800
    HS-20000-UGR 20,000 111 40.33 14 14 95 90 10,000 2,000

    * From endwall to endwall

    ♣ From bottom of tank to pipe centerline

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