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Duplex Basket Strainers
Sizes 3/4" to 2 1/2" NPT
1" to 8" ANSI Flanged
Models:
Model OWWB- Cast Iron Body & Covers, Bronze Diverter
Model OWSWB- Cast Steel Body & Covers, Bronze Diverter
Model OWSS- 316 Stainless Steel Body & Covers, SS Diverter
Model OWGM- Bronze Body & Covers, Bronze Diverter
Model OWO- Cast Iron Body & Covers, Iron Diverter
Model OWS- Cast Steel Body & Covers, Iron Diverter
Model OWC- Cast Iron Body & Covers, Stainless Steel Diverter
Max. Working Pressure: 250 psig Cast Iron (212°F)
320 psig Cast Steel, 316 Stainless Steel, and Bronze (at 212°F)

Features

  • Designed for continuous service; no need to shut down system while cleaning basket.
  • Quick release cover knobs allow for "no tools" access to baskets.
  • Handle covers chamber in use for operator safety.
  • 316 Stainless Steel baskets are standard.
  • Basket openings to 300 mesh and cartridges to 10 microns.
  • No contamination between filtered and unfiltered liquids.
  • Fully automated version available for backwashing applications.
  • Internal design requires no maintenance or packing with grease.
  • Model available to meet American Petroleum Institute (API) Specifications.
  • Wide selection of optional accessories to meet customer needs.
  • Manufactured under ISO 9001 Quality Assurance Standards.

    • Typical Applications
  • Breweries
  • Chemicals
  • Cooking Oils
  • Cooling Lines to Pumps, Compressors
  • Effluent
  • Fuel Oil
  • HVAC Water
  • Inks
  • Irrigation Systems
    		•
  • Paints, Stains, Varnishes
  • Palm Oil
  • Petrochemicals
  • Printing
  • Pulp and Paper
  • Recycling Water
  • River & Sea Water
  • Spray Nozzle Protection
  • Wash Water
    		•

    Optional Accessories

  • Differential Pressure Indicators - provide a visual warning that basket needs cleaning.
  • Probe Sensor - added to the DP Indicator for remote electrical signal.
  • Automatic Air Eliminators - vent air from strainer after element cleaning.
  • Fully Automated Backwashing - provides automatic basket cleaning by reversing the flow within the strainer using filtered water to backwash the baskets.
  • Heating Jackets and Immersion Heaters - aid the flow of viscous liquids.
  • Magnetic Inserts - suspended from chamber cover to capture ferrous particles. Magnets can be nylon coated if required.
  • Mounting Studs or Brackets - allow the strainer to be independently supported.
  • Triple Pleated Elements - available in 316 stainless steel or in paper for filtration down to 10 microns.
  • Pressure Equalizing Valves - fitted to 5 inch (available in cast iron two basket design only), 6 inch, and 8 inch sizes as standard; can be fitted to other sizes on request.
  • 100% Shut Off on Changeover - special seals on the diverters eliminate leakage between chambers during cleaning.

    High Pressure Duplex
    Class 300 Duplex

    (Flanges are rated at ANSI 300 -50 BAR)
    Cast Carbon Steel and 316 Stainless Steel
    Sizes: 1" to 4" ANSI 300# Flanged
    Max. Working Pressure and Temperature 725 psig @ 122 deg F
    (50 Bar @ 50 deg C)

    Model OWS-A300
    Cast Carbon Steel Body and Covers, Iron Diverter- For oil and non-corrosive liquids
    Model OWSWB-A300
    Cast Carbon Steel Body and cover, Bronze Diverter and Sleeve- For water
    Model OWSS-A300
    316 Stainless Steel Body and cover, Stainless Steel Diverter- For corrosive liquids

    Differential Pressure Indicator
  • Developed exclusively by Airpel engineers
  • Visual warning when basket becomes clogged (needle goes from green to red by means of an internal magnet)
  • Mounts directly to body of strainer
  • No tubing to install or to become blocked
  • Positive seal separates clean and dirty liquid
  • Anodized aluminum indicator is standard
  • Stainless steel indicator available
  • Standard unit preset at 10 psi (5 psi and 15 psi optional)
  • Probe sensor optional for remote electrical signal
  • Can be mounted to other Airpel basket strainers and Airpel Self Cleaning Filters

    • Click here to view a detailed diagram of the Duplex Strainer parts

    Filtration Midwest, Inc.
    P.O. Box 12456
    Wilmington, NC 28405
    Phone: (910)790-1906
    Fax: (910) 790-1099
    E-mail: filtration@filtrationmidwest.com
    		•