Eaton Duplex Strainers

Overview

A duplex strainer can operate continuously and never has to be shut down for cleaning. When one basket is full, the flow is shifted to the other one. The first basket is then removed, cleaned and replaced. Duplex strainers or double basket strainers, are valuable in locations where it is impossible to shut off flow to stop the operation. Examples of these processes include cleaning fuel oil in large industrial oil burners, all types of marine applications, screening water in cooling towers and straining fluids in continuously running chemical operations.

 

Eaton Model 53BTX Ball Type Duplex Basket Strainer

Sizes 3/4" to 4" • Iron, Bronze, Carbon Steel or Stainless Steel • Threaded or Flanged

The unique flow diverter cartridge features highly dynamic sealing system that ensures exceptionally long seat life and positive sealing. There is no need for manual internal or external ball support adjustments—and the low operating torque means the strainer can be operated with an easy-turn handle. A gear box is not needed. A double sealing system on both the upper and lower stems guards against any possible leakage. Special reinforced polymer seats are used for extended service life. Should cartridge service become necessary, just remove four bolts and the cartridge comes right out through the top of the strainer. There’s no need to take the strainer completely apart or to remove it from the line. For easy basket servicing there are two drain plugs, one on each side. Additionally, there is an easy-to-access vent valve on top of each basket well cover. Finally, standard foot mounting pads insure a rock solid installation no matter where the strainer is installed. 

Features:

• Dynamic ball sealing system for long life • Easy-to-operate lever handle—no gear box required • Unique seat and seal design requires no adjustments • Reinforced polymer seats for longer service life • Foot pads for rock solid installation • Double-stem O-rings for positive sealing • Easy-to-access body vent valve • Side drain plugs on each basket well • Piston seal strainer basket cover • Easy access for diverter cartridge removal • Optional steam jacket construction 

Available options for the Model 53BTX include differential pressure gauges, with or without switches, and magnetic separators installed in the strainer basket for removing fine ferrous particulate matter from the process media.

 

Eaton Model 50 Plug Type Duplex Basket Strainer

Sizes 5", 6", 8" • Iron, Bronze, Carbon Steel or Stainless Steel • Flanged

The Eaton Model 50 Plug Type Duplex Strainer is a simple, economical, and trouble free design–time tested in applications around the world over many years. This type of strainer is actually a high quality, pressure rated plug valve with integral straining baskets. Switching the flow from one basket to the other is accomplished by moving the operating handle through a 90 degree arc. The design is such that is impossible for this operation to stop the flow because of the unique port design in the diverter plug. The entire switching operation takes less than 30 seconds. No tools are needed. The plug is automatically positioned each time in exactly the right spot by integral stops. The Eaton plug type Model 50 Duplex Basket Strainer is your best choice for most applications. Its rugged design and ease of operation have made it the duplex strainer of choice around the world in hundreds of different industries.

Features:

• Continuous flow, no 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 basket 

Available options: Ductile iron construction, Basket perforations from 1/32" to 1/2", Basket mesh from 20 to 400, Monel baskets, Vent valves, Drain valves, 1/4" NPT gauge taps, Magnetic basket inserts, Steam jacket, Pressure differential gauge & switch connections, Viton, PTFE encapsulated or EPDM seals.

 

Eaton Model 50 Large Duplex Basket Strainer

10" to 18" • Iron and Bronze • Flanged

The Eaton Butterfly Valve Type Model 50 Duplex Basket Strainer is a special design with several important features and advantages for large size pipelines with high flow rates. Flow is switched from one basket chamber to the other by a set of synchronized, high quality butterfly valves. This replaces the diverter plug used on smaller size strainers and gives a straight flow pattern with no sudden changes in flow direction. The result is a very low pressure loss.

Features:

• Continuous flow—no shutdown for basket cleaning • Compact butterfly valve design • Quick opening covers • Convoluted-design baskets • Threaded drain • Perforated or mesh stainless steel baskets • Vent • Positive shutoff

Available options: Ductile iron construction, Basket perforations from 1/32" to 1/2", Basket mesh 20 or 40, Monel baskets, Vent valves, Drain valves, 1/4" NPT gauge taps, Pressure differential gauge and switch connections, Magnetic basket inserts.

 

Contact us at +1 800.962.9696

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