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Model 50 Duplex Strainers

Duplex Strainers in Sizes 5" to 8", cast iron, bronze, carbon steel or stainless steel - threaded or flanged connections

Eaton model 50 cast duplex strainer 

The Model 50 Plug Type Duplex Strainer is a simple, economical, and trouble free design that has been installed worldwide in a broad number of applications.

This duplex 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 flow is not interrupted when switching the chamber in service due to the design of the diverter plug and no tools are needed.

A lifting jack built into the duplex strainer is used to lift the diverter plug off of its seat. After the switching operation the lifting jack is used to reseat the plug. The lifting jack is specially designed to lift and seat the plug easily, even under high pressures. A built in stop limits the distance the diverter plug can be raised. This minimizes the possibility of material bypassing the plug while it is rotated. It also reduces debris from building up under the plug and making it difficult to reseat.

Cutaway of a Eaton model 50 cast duplex strainer

• Rugged tapered plug design
No shutdown for basket cleaning
• 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

• Basket perforations from 1/32" to 1/2"
• Basket mesh from 20 to 400
• Monel baskets
• Buna, Viton, PTFE or EPDM seals
• Vent valves
• Drain valves
• 1/4" NPT differential pressure taps
• Magnetic basket insert
• Differential pressure gauge with reed switches/transmitters

Other important features of Model 50 Duplex Strainers include quick opening, swing away yoke design covers. No tools are required to remove the covers for quick and easy access to the strainer baskets and they are reattached just as quick as they removed.

Draining of the basket chambers is simplified with the standard NPT drain taps and all sizes are provided with mounting legs for bolting the strainer to the floor for a solid installation. The Model 50 Duplex 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.

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