Duplex Strainer

We are one of the highly established designers, manufacturers and suppliers of Duplex Type Strainers,Duplex Basket Strainer and Duplex Filters Strainers. Which are used wherever continuous operation is required and flow is not interrupted for cleaning of filter element. It consists of two filtration chambers,each rated for 100% capacity connected in parallel by means of 3 way ball valve, Butterfly Valve, Gate Valve & NRV. Diversion of fluid flows without interruption of flow with manual change over valve or automatically operated. Its higher flow rates handled by disc type change over system possess large filtration area for raw water/sea water, etc.
It can be fabricated in casting/fabrication as per requirement and can also be available with steam jacketing for fluid like (L.D.O./H.F.O./Bitumen, etc.). We offer a wide range of Duplex Types Strainer filtration from 2 micron to 500 microns. Our Duplex Type Strainers are highly economic, handy and easily accessible in the market. We have highly experienced professionals, who are master of Strainers manufacturing industry.

Types of Covers Design:

• Bolted Cover – For Low & High Pressure Application.
• Eye Bolt Cover - For Quick Opening.
• Hinged Cover -- For Quick Opening.
• (TC Connection) Clamp Type – For Low Pressure Application.

Construction: Fabricated Carbon Steel or Fabricated SS 304, SS 316

Element: SS 304, SS 316 model or as per customers requirement.
Basket strainer applications:

• Petrochemical Industries & Refinery Projects
• Cement plant
• Chemical Industries, Pharmaceutical industries
• Power Plants
• Sugar Industries
• Pulp & Paper Mill
• Fertilizer plant & Allied Industries

Basket type strainer Design & Testing International Standard

Design Std : ASME 16.34 / ASME SECTION VIII

Pressure Testing : API 598

Face to Face : Mfg. Standard

Flange Drilling : ANSI B16.5 / BS 10 Table / DIN / IS 6392

Pressure Rating : 125#, 150#, 300#, 600#, 900#

Size Range : 50NB to 2000NB

Other Assembly: Other assemblies provided along with the Basket like as Flanged Or NPT Drain & Air Vent Connection, Davit assembly, Legs/Skids & Differentials Pressure assembly are Optional & Provide on Customer request.
Features:

• High Filtration Ratio.
• Streamline design for low pressure drop.
• Threaded / Flanged Drain Plug Valve & Air Vent Valve (Optional).
• For the Higher Size Davit assembly for Cover.

Strainer Arrangement Design 1 (Model No: DMBS/11)

Features:

1. Four individual Butterfly Valve, Ball Valve or Gate Valves are used to isolate & Divert the Flow.
2. For Quick opening Clamped Cover, Hinged Connection Or Eye-Bolt type Connection are available.
3. Inexpensive Construction & Fast Delivery.
4. Bottom / Side threaded drain plug are available.
5. Inlet & Outlet Connection are Available as per the Standard.
6. Standard Sizes are Available for 5" - 12 ".
7. Pneumatic operated Butterfly valve available (optional).
8. At Outlet we can provide the NRV Instead of the Butterfly or Ball Valve which help to reduce the equipment cost and make the automatic open & Close the outlet Valve without any Manual/Pneumatic operation.

Strainer Arrangement Design 2(Model No: DMBS/21)

Features:

1. Four individual Butterfly Valves, Ball Valves or Gate Valves are used to isolate & Divert the Flow.
2. For Quick opening Clamped Cover, Hinged Connection Or Eye-Bolt type Connection are available.
3. Inexpensive Construction & Fast Delivery.
4. Bottom / Side threaded drain plug are available.
5. Inlet & Outlet Connection are Available as per the Standard.
6. Standard Sizes are Available for 6" - 24 ".
7. Pneumatic operated Butterfly valve available (optional).
8. Custom Modification is available as per customer requirement.
9. For High Pressure design Bolt Cover Design are Available.
10. SS Perforated Sheet is Standards.
11. Easy to install in the Horizontal Pipeline.
12. Davit assembly Available.(Optional)
13. At Outlet we can provide the NRV Instead of the Butterfly or Ball Valve which help to reduce the equipment cost and make the automatic open & Close the outlet Valve without any Manual/Pneumatic operation.

Strainer Arrangement Design 3 (Model No: DMBS/31)

Features:

1. Four individual Butterfly Valves, Ball Valves or Gate Valves are used to isolate & Divert the Flow.
2. For Quick opening Clamped Cover, Hinged Connection Or Eye-Bolt type Connection are available.
3. Inexpensive Construction & Fast Delivery.
4. Bottom / Side threaded drain plug are available.
5. Inlet & Outlet Connection are Available as per the Standard.
6. Standard Sizes are Available for 6" - 24 ".
7. Pneumatic operated Butterfly valve available (optional).
8. Custom Modification is available as per customer requirement.
9. For High Pressure design Bolt Cover Design are Available.
10. SS Perforated Sheet is Standards.
11. Easy to install in the Horizontal Pipeline.
12. Davit assembly Available. (Optional)
13. At Outlet we can provide the NRV Instead of the Butterfly or Ball Valve which help to reduce the equipment cost and make the automatic open & Close the outlet Valve without any Manual/Pneumatic operation.

Strainer Arrangement Design 4 (Model No: DMBS/41)

Features:

1. Four individual Butterfly Valve, Ball Valve or Gate Valve are used to isolate & Divert the Flow.
2. For Quick opening Clamped Cover, Hinged Connection Or Eye-Bolt type Connection are available.
3. Inexpensive Construction & Fast Delivery.
4. Bottom / Side threaded drain plug are available.
5. Inlet & Outlet Connection are Available as per the Standard.
6. Standard Sizes are Available for 6" - 24 ".
7. Pneumatic operated Butterfly valve available (optional).
8. Custom Modification is available as per customer requirement.
9. For High Pressure design Bolt Cover Design are Available.
10. SS Perforated Sheet is Standards.
11. Easy to install in the Horizontal Pipeline.
12. Davit assembly Available. (Optional)
13. Lower Space requirement.
14. At Outlet we can provide the NRV Instead of the Butterfly or Ball Valve which help to reduce the equipment cost and make the automatic open & Close the outlet Valve without any Manual/Pneumatic operation.