Duplex Type Strainers

Approx. Rs 7,999 / PieceGet Latest Price

The Duplex Type Strainer is a dual-chamber filtration unit that allows for continuous operation by enabling basket cleaning without system shutdown. Each strainer chamber can be isolated and cleaned while the other remains in service. Ideal for critical process lines where uninterrupted flow is essential, this strainer provides reliable protection for pumps, valves, and other sensitive components.

• Type: Dual-Basket Inline Strainer with Changeover Valve

• Body Material Options:

  • Cast Iron

  • Cast Steel (WCB)

  • Stainless Steel (SS304, SS316)

  • Bronze / Ductile Iron (on request)

• Strainer Element:

  • Stainless Steel Perforated / Mesh Basket (SS304 / SS316)

• Size Range:

  • ½” to 24” (DN15 to DN600)

• End Connections:

  • Flanged (ASME B16.5 / DIN / JIS)

  • Threaded (BSP / NPT)

  • Socket Weld / Butt Weld (on request)

• Micron Rating:

  • 25 to 2000 microns (customizable)

• Pressure Rating:

  • Class 150 / 300 / 600 or as specified

• Temperature Range:

  • -20°C to +450°C (depends on material and gasket selection)

• Changeover Mechanism:

  • Ball / Plug / Butterfly Valve Type Selector

  • Manual or Motorized (optional)

• Continuous Filtration
  Switch between baskets without stopping flow, ensuring uninterrupted operation

• Robust Dual-Chamber Design
  Built for long-term industrial use with high mechanical strength

• Ease of Maintenance
  Simple removal and cleaning of baskets, minimizing downtime

• Low Pressure Drop
  Engineered flow path for efficient filtration and minimal energy loss

• Customizable Internals
  Options for fine mesh, perforation patterns, and magnet inserts available

• Process Fluid Handling Systems

• Petrochemical & Chemical Plants

• Power Generation Facilities

• Water Treatment & Cooling Circuits

• Fuel, Oil, and Lubricant Pipelines

• Food, Beverage & Pharmaceutical Industries

• Designed as per ASME B31.3, B16.34

• Hydrostatic Testing per API 598 / EN 12266

• CE Marking, IBR, PED certification on request

• Material Test Certificates (MTC) provided with each unit

Approx. Rs 12,999 / PieceGet Latest Price

The Duplex Type Strainer is a dual-chamber filtration unit that ensures uninterrupted flow during cleaning or maintenance. Featuring a manually or automatically operated changeover valve, it allows one chamber to remain in service while the other is cleaned—making it ideal for critical pipelines requiring constant protection against debris and contaminants.

• Strainer Type: Duplex / Twin Basket Strainer

• Design: Parallel Chambers with Switchover Valve

• Flow Direction: Inline / Angled (based on design)

• Body Material Options:

  • Cast / Fabricated Carbon Steel, SS304, SS316, Ductile Iron

• Basket Material:

  • SS304 / SS316 Perforated or Mesh Lined

  • Micron Ratings: 25 to 1000 µm (customizable)

• Size Range: 1” to 24” (25 mm to 600 mm)

• End Connections:
   Flanged (ASME / DIN / JIS)
   Threaded (NPT/BSP) – up to 4”
   Welded (on request)

• Pressure Rating: Class 150 / 300 / 600 (up to 100 bar)

• Temperature Range: -20°C to +400°C (depending on material & gasket)

• Switching Mechanism:

  • Manual Ball / Plug Valve

  • Optional Motorized / Gear-Operated Changeover

 Suggested Image: Twin-chamber strainer with one cover open, showing internal baskets and switchover valve handle.

•  Uninterrupted Filtration
  Enables maintenance or basket cleaning without shutting down the line

•  High Debris Holding Capacity
  Dual baskets provide extended service intervals in dirty flow environments

•  Simple Changeover Operation
  Manual, gear, or motorized valves for fast switching between chambers

•  Durable & Corrosion-Resistant Build
  Available in stainless steel and epoxy-coated carbon steel

•  Replaceable & Reusable Strainer Elements
  Easy to clean and maintain stainless steel baskets

•  Low Pressure Drop Design
  Engineered flow paths reduce turbulence and flow loss

 Suggested Image: Cutaway diagram showing flow direction, basket positions, and valve changeover path.

• ✔️ Designed and tested as per ASME B31.1 / B16.5, DIN, and ISO 9001

• ✔️ Pressure-tested with Material Test Certificates (MTC)

• ✔️ Optional CE / PED compliant for EU installations

• ✔️ Available with epoxy or rubber-lined interior for corrosive media

 Suggested Image: Tag showing pressure test data and CE compliance markings.

•  Chemical & Petrochemical Pipelines

•  Water Treatment & Pump Suction Lines

•  Oil & Fuel Transfer Systems

•  Process Cooling & Heat Exchanger Protection

•  Food & Beverage Manufacturing

•  Marine, Steel, Power, and Utility Plants

Approx. Rs 11,999 / UnitGet Latest Price

Duplex Basket Strainers are dual-chamber filtration units designed to provide uninterrupted flow during cleaning or maintenance. By allowing isolation of one basket while the other remains in service, they eliminate the need for shutdown in critical operations. Commonly used in pipelines carrying water, oil, gas, or chemicals, these strainers offer high filtration efficiency and easy basket changeover.

• Type: Duplex / Twin-Chamber Basket Strainer

• Construction: Side-by-side or vertical chamber arrangement

• Body Material Options:

  • Cast Steel (WCB), Stainless Steel (SS304, SS316), Cast Iron, Bronze, Carbon Steel

• Basket Material: SS304 / SS316 (Perforated or Mesh-lined)

• Size Range: ½" to 24" (DN15 to DN600)

• Micron Rating: 25 to 2000 microns (customizable)

• Pressure Rating: Class 150, 300, 600 (higher on request)

• Temperature Range: -40°C to +450°C (based on material)

• End Connections:

  • Flanged (ANSI / DIN / JIS)

  • Threaded (BSP/NPT) or Socket Weld (for small sizes)

• Switch-over Mechanism:

  • Manual 3-way valve or plug type changeover

  • Optional motorized actuator for automatic operation

• Continuous Operation
  One chamber remains in service while the other is cleaned—ideal for critical applications.

• Robust Filtration
  Captures debris, rust, scale, and solids to protect pumps, valves, and instruments.

• Easy Basket Cleaning
  Quick-release cover design for simple removal and maintenance.

• Customizable Basket Mesh
  Perforated and fine mesh options to suit various fluids and particle sizes.

• Corrosion-Resistant Materials
  Suitable for aggressive, corrosive, or high-temperature media.

• Durable Build
  Long service life under high flow and pressure conditions.

• Design & fabrication as per ASME B31.1 / B31.3

• Pressure tested to API 598 / EN 12266

• Supplied with Material Test Certificates (MTC), Hydro Test Report

• CE / IBR / PED Certification available on request

• Chemical & Petrochemical Processing

• Water Treatment Plants

• Oil & Gas Pipelines

• Cooling Water & HVAC Systems

• Food & Beverage Industry

• Power Generation Systems

• Marine & Desalination Plants

Approx. Rs 14,499 / PieceGet Latest Price

Duplex Basket Strainers are designed for uninterrupted filtration in pipelines that require continuous operation. Consisting of two basket chambers with a flow-diverting valve mechanism, these strainers allow one basket to be cleaned while the other remains in service. Ideal for filtering out debris, rust, and solids from liquid pipelines in high-flow or critical process environments.

• Strainer Type:
  Twin-Chamber Basket Strainer with Manual or Automatic Changeover Valve

• Body Materials:
  Cast Iron / Cast Steel (WCB) / Stainless Steel (SS304, SS316) / Bronze / Alloy Steel / Duplex Steel

• Basket Element:
  SS304 / SS316 Perforated or Mesh Screen (Optional Monel or Hastelloy)

• Size Range:
  1" to 24" (DN25 to DN600)

• End Connections:
  Flanged (ASME B16.5 / DIN) / Threaded (BSP/NPT) / Socket Weld

• Micron Rating:
  25 to 3000 microns (customizable)

• Pressure Rating:
  Up to 150 bar (Standard: Class 150 / 300 / 600)

• Temperature Range:
  -50°C to +425°C (depends on material)

• Cover Type:
  Bolted or Quick-Opening Clamp Type with Gasket Sealing

• Uninterrupted Flow
  Dual strainers allow switching between chambers without system shutdown.

• Durable & Corrosion-Resistant
  All-welded or cast body options ensure long-lasting performance under harsh conditions.

• Easy Basket Removal
  Top-entry design enables quick maintenance and cleaning.

• Custom Screen Options
  Available in various perforations or fine mesh for specific filtration needs.

• Optional Accessories

  • Differential Pressure Gauges

  • Drain Valves

  • Magnetic Inserts for Ferrous Particle Removal

  • DP Switch or Alarm

• Cooling Water Systems

• Pump & Compressor Protection

• Oil, Fuel & Lubricant Filtration

• Power Plants & Heat Exchangers

• Petrochemical & Refinery Pipelines

• Water & Wastewater Treatment

• Marine, Mining, and Pulp Industries

• Designed to ASME B16.34 / API 598 / ISO standards

• Hydrostatic pressure tested for safety and performance

• Supplied with Material Test Certificates (MTC), Hydro Test Reports

• CE, PED, or IBR certifications available upon request