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Model 50 Plug Type Duplex Strainer

The Eaton Model 50 Plug Type Duplex Strainer, also called a twin basket strainer, consists of two separate high-quality strainer baskets and a pressure rated plug valve. A diverter plug is automatically positioned into precisely the right spot by using integral stops. The entire switching operation takes fewer than 30 seconds, no tools required.

The unique port design of the diverter plug makes it possible for the flow to never have to stop processes due to cleaning. When one strainer basket becomes full of particulates and solids, flow is switched to the other basket by turning the operating handle of the strainer. The first basket is removed, cleaned and is ready for use again.

DownloadModel 50 Plug Type Duplex Strainer BrochureModel 50 Plug Type Duplex Strainer


  • Continuous flow, no need for shutdown for basket cleaning
  • Rugged tapered plug design
  • Lift jack prevents galling of the plug
  • Quick open cover, no tools needed
  • Large capacity baskets
  • Threaded drain
  • Machined basket seat
  • Perforated or mesh stainless steel baskets


  • Ductile iron construction
  • Basket perforations from 1/32˝ to 1/2˝
  • Basket mesh from 20 to 400
  • Monel baskets
  • Viton, PTFE, or EPDM seals
  • Vent valves
  • Drain valves
  • 1/4˝ NPT taps
  • Magnetic basket inserts
  • Pressure differential gauge and switch connections
  • Steam jacket

Related Products: Model 53 Ball Type Duplex Basket Strainer, Model 52 Large Duplex Basket Strainer, Fil-Trek Duplex Strainer SBODV Series, Fil-Trek Duplex Strainer - SBIDV Series,

Available Models

ModelSizeBody MaterialPlug MaterialEnd ConnectionsSeals
ST0500500F41C5"Cast IronBronzeFlanged 125#Buna-N
ST0500600F41C6"Cast IronBronzeFlanged 125#Buna-N
ST0500800F41C8"Cast IronBronzeFlanged 125#Buna-N
ST0500500F11C5"BronzeBronzeFlanged 150#Buna-N
ST0500600F11C6"BronzeBronzeFlanged 150#Buna-N
ST0500800F11C8"BronzeBronzeFlanged 150#Buna-N
ST0500600R32C6"Carbon SteelBronzeFlanged 150#Buna-N
ST0500800R32C8"Carbon SteelBronzeFlanged 150#Buna-N
ST0500600R22C6"Stainless SteelStainless SteelFlanged 150#Viton®
ST0500800R22C8"Stainless SteelStainless SteelFlanged 150#Viton®

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