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Passive Skimmer System


Application

For passive recovery LNAPL when minimal product is present or slow well recharge is expected


Features and Specifications
  • Recovers a wide range of product types through 50mm or larger wells
  • Product is gravity drained from the skimmer to the cannister
  • Can be used with either a standard skimmer or high viscosity skimmer
  • Shorter models are available for shallow well applications. Minimum distance from product-water interface to the bottom of well is important for successful recovery, as tabled below:
  Minimum water column required under product
  Single Cannister only Plus Extension Cannister
2″ system 1.35 m 1.81 m
4″ system 1.12 m 1.54 m
User’s Advantage
  • Easy to install and use
  • Can be upgraded to an Active Product Recovery system by addition of: FAP Plus™ ZW Pump, two brass fittings, suspension cable, well clincher (optional), Tank-Full Shut-Off Device (optional)

Ordering Information
Item No. Description
   
TR-252 2″ Passive Skimmer Kit - Includes:
  • Skimmer (TR-517) or (TR-51711)
  • Cannister, 490ml capacity, length 610mm
  • Well cap
  • Suspension chord, nylon (30 meters)
TR-253 2″ Extension Cannister, 375ml capacity, length 460mm
TR-254 4″ Passive Skimmer Kit - same as 2″ model but larger. Cannister, 1.7L capacity, length 380mm
TR-25410 4″ Passive Skimmer Kit – (High Viscosity)
TR-255 4″ Extension Cannister, 1.95L capacity, length 420mm

Resources
Product Sheets
Manufacturer
  • Durham Geo Slope Indicator

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