Duplex Strainer Housing
Whether standard, custom or different flow rates. 3R Filters offers a perfect filtration solution for your systems.
Working Principle:
- Duplex strainer housing and duplex filters provide a simple, cost effective way to separate particle impurities from fluid systems.
- Duplex basket filter & strainer permits continuous operation because flow can be switched back and forth between two filter sections. This allows one side to be serviced while the other is in use. Normally duplex basket filters are separated with three way ball valves or two way ball valve/ butterfly valve connected with equalization tee, between two baskets filter housing.
- The main function of duplex filter assembly is to remove both small and large particles (contaminants) in hydraulic system.
- Duplex strainer housing are ideal for applications where continuous flow must be maintained with no flow interruption for cleaning.








- Apart from these, duplex filter have a large filtration area. Therefore, it guarantees a high filtration capacity and the pressure drop minimal.
- These filters are available with basket type strainers as well as cartridge strainers having desirable micron ratings.
- These duplex strainers have a butterfly valve that directs flow through either side without shutting off the flow.
- A valve handle guard shields the side in use. The standard valve handles swings over the inlet port. Special reverse valve handles that swing over the outlet port can also be furnished.
- These duplex strainers and duplex filters protect pumps, engines, nozzles, valves, heat exchanger and other expensive pipeline equipment from harmful flow contamination by catching dirt and debris.
Features:
- Continuous Operation Even During Element/Strainer Change.
- Large-area, Heavy–duty Baskets.
- Easy to Change & Clean Filter Element/Strainer.
- Stainless Steel Construction Provides Excellent Corrosion Protection for Rugged, Long-lasting Service.
- Easy to Operate.
- Remove The Big Particle, Clean The Fluid And Protect The Key Equipment.
- Filter Can Be Reusable. It Should Be Cleaned Regularly.

Product Specifications
Duplex Strainer Housing
3R
Duplex Filter Assembly
Basket Strainer.
SS 304/ SS 316/ Carbon Steel.
S.S 304/316 Mesh With Supported SS Perforated Sheet.
5μ - 5000μ
95%
0.8Mpa (8Bar)
0.6Mpa (6Bar)
20℃~200℃
Standard or ( As per requirement).
Two way Ball Valve, Three way Ball Valve, Butterfly Valve.
O-ring or Flat Gasket.
Silicon, NBR, EPDM, Viton, PTFE.
Mirror Polishing or Electrolytic Polishing or Paint.
Inlet/Outlet, Vent, Drain Point.
Thread, Hoop, Flange, Tc Clamp.
Swing Bolts, Flange, Etc.
2 - 6MM
Liquid Filtration.
Applications
Duplex Filter Assembly Application in Various Industries

Food and Beverage Industry:
- Beer, Wine, Liquor, Fruit Juice, Bottled Water, Tea Drinks, Soy Milk, Syrup, Dairy Products, Food Additives, Water Filtration to Clarify The Process.
Oil and Gas Industry:
- Amine Desulphurization, Dehydration Flux Filter, Oil Field Water, Completion Fluid Filtration.
Pharmaceutical Industry:
- A Variety of Pharmaceutical Intermediates, Pharmaceutical Raw Materials, Membrane Filtration, Solvent Filtration.
Paints, Inks, Resins and Coatings Industry:
- Paint, Electrophoretic Paint, Pre-treatment Fluid, Paint and Paint Raw Materials and Solvent Filtration.
Petrochemical Industry:
- All Kinds of Lubricants and Oil, Glue, Chemical Fiber Manufacturing Process of Various Solution Was Filtered.
Edible Oils and Soap Industry:
- Purification of Edible Oil, Soap Raw Materials and Water Filtration.
Textile, Printing and Dyeing, Paper Making Industry:
- Spinning Liquid, Dyes, Flux, Water, Additives, Adhesives Filter.
Other Liquid Filtration:
- All Kind of The Liquid With The Micro Particles, Municipal Water Treatment Industrial Water Treatment.
Gallery

Filter Housing Assembly

Pleated Cartridges

Filter Bags
