Cast bronze duplex strainers shipped from stock

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Cast Bronze Duplex Strainers

Bronze Eaton Model 53BTX Duplex Strainer

We offer both Eaton and Keckley brand cast bronze duplex strainers; Titan doesn't offer duplex strainers in this material yet.  Both Eaton and Keckley offer a ball valve style diverter for the ¾" through 4" sizes.  The key difference between brands is the sealing seat, Eaton's has an elastomeric (Buna or Viton) seat to provide a tight seal whereas Keckley has a metal-to-metal seat, so some increased leakage into the isolated chamber is expected.

 

The ball valve style diverter is easy to use, personnel rotate the diversion lever 180º to isolate a basket chamber.

 

The 5" - 8" sizes are only available through Eaton and they have a tapered plug valve style diverter which requires an extra step, lifting the valve off its seat with a jack screw before the flow can be diverted.  The tapered plug valve style diverter has a metal-to-metal seal, which might be better suited for aggressive fluids.

Bronze Duplex Strainer Eaton Model 50

All of these cast bronze strainers are rated for 225 PSIG @ 150ºF and the flanged versions have class 150# FF connections.  For higher pressure applications you would use higher pressure rated simplex strainers and uses stainless steel diverting valves to duplex them together.

 

You can use the differential pressure calculator below for both the Eaton and Keckley brands by selecting the strainer connection size, inputting your flow rate (GPM), inputting the specific gravity if other than water (sg of water = 1) and select the viscosity range if other than water (SSU of water = 30).  Click "Update" to refresh the data and be sure that the clean differential is ≤2 PSI for the intended basket retention.

SIMPLEX STRAINERS ARTICLEDuplex Strainer Designs, Which Duplex Strainer Design is the "Best"?

 

Since the performance is just about identical, your choice will likely come down to pricing and lead time, so we can quote both.  The best way for us to assist you further is to send us a duplex strainer inquiry and we'll typically have a proposal for you within minutes or an hour.  You can always call us and we'll provide discounted pricing right over the phone.

BRAND MODEL CATALOG PAGES WITH DRAWINGS
KECKLEY DPX Style DPX
EATON 53BTX Model 53BTX
50 Model 50