Duplex Strainer
Continuous filtration solutions that enable maintenance without process interruption, ensuring reliable equipment protection and uninterrupted flow.




About Duplex Strainers
Duplex Strainers are advanced filtration devices designed for continuous operation, allowing one strainer basket to be cleaned or replaced while the other remains in service. This ensures uninterrupted flow and reliable protection of critical process equipment.
At Avant Tech, we partner with Flometriq, a globally recognized manufacturer of high-performance Duplex Strainers, to deliver dependable filtration solutions for demanding industrial applications. Manufactured in India to international engineering standards, these strainers are supplied to projects across the GCC, USA, Europe, and Southeast Asia.
Available in Stainless Steel, Carbon Steel, Duplex, Super Duplex, Monel, Inconel, and other specialty alloys, Flometriq Duplex Strainers provide exceptional corrosion resistance, mechanical strength, and long-term reliability. They are widely used in Oil & Gas, Desalination, Water Treatment, Chemical Processing, Power Generation, Marine, and Petrochemical industries where continuous flow and equipment protection are essential.
Through our partnership with Flometriq, Avant Tech delivers proven filtration solutions backed by decades of engineering expertise, helping customers minimize downtime, simplify maintenance, and ensure uninterrupted process performance.
Available Models
Choose from our comprehensive range of duplex strainer models
Specifications & Details
Comprehensive information about our duplex strainer systems
1Specifications
- ▪Material: CLASS 150, 300, Fabricated Carbon steel, Cast Iron, Cast Steel, Stainless Steel
- ▪Pressure: Up to 40 Bar
- ▪Temperature: Up to 400 Deg C
2Applications
- ▪Process industry
- ▪Chemical Industry
- ▪Oil & Gas
- ▪Power Plants
- ▪Metals & Mining
3Body Material
- ▪A216 WCB, Cast Iron, Gun Metal, A 106 ,SA516 ,SS 304, SS 316, CS TO IS 1239/ 3589, FRP Lined, Duplex steel, Alloy steel.
- ▪Other materials on Request
4Screens
- ▪Perforated sheets of any size and thickness.
- ▪Weld mesh for E Series
- ▪Linings down to 5 micron
5Screen Material
- ▪SS 304, 316, Duplex, Brass, PP, Monel, Hast Alloy C
6End Connections
- ▪Flanged FF / RF / TG
- ▪Buttwelded
- ▪Socket Welded
7Features
- ▪Low Pressure Drop
- ▪Streamlined Design
- ▪Bolted Covers Standard
- ▪Cast & Fabricated Design
- ▪Robust Diverter Valves
- ▪Electric actuators with panel (optional)
8Connection Standards
- ▪ANSI B16.5 125,150,300,600 CL
- ▪BS 10 TAB ‘E’
- ▪BS 4504
- ▪DIN PN 10, 16, 24
9Covers & Accessories
- ▪Quick closing
- ▪Hinged
- ▪Davit Arm
- ▪Skid Mounted Strainers – If Required
Why Choose Avant Tech Duplex Strainers?
Industry-leading expertise and exceptional service quality

State-of-the-Art Facility with In-House Pressure Drop Testing
At Avant Tech we partner with Flometriq Filtration, which operates from a 45,000 sq.ft. world-class combined manufacturing and testing facility equipped with advanced machinery and instrumentation. Our in-house Pressure Drop Testing Lab ensures every strainer is validated for maximum efficiency and reliability under real-world conditions.

Expert Design Team with 30+ Years of Experience
At Avant Tech we partner with Flometriq Filtration, a trusted Duplex Strainers manufacturer, our design team brings over four decades of expertise in creating innovative and reliable filtration solutions. Whether it's a standard model or a customized design, our team ensures every solution meets the highest industry standards for quality and efficiency.

Exceptional After-Sales Support
Our commitment to customer satisfaction goes beyond delivery. With a dedicated support team, we provide guidance on installation, maintenance, and troubleshooting to ensure the long-term performance of your equipment.

Prompt Delivery
As a leading supplier, we understand the importance of timely delivery for industrial operations. With standard models in stock and an efficient supply chain, we ensure your orders are delivered on time, every time.
Manufacturing Facility Gallery
Explore our state-of-the-art manufacturing facility


Keep filtration online while maintenance happens on the other side.
Duplex strainers provide continuous pipeline filtration with switchable chambers for cleaning without shutting the process down.
Flow Duty
Share media, flow rate, pressure, temperature, solids load, and cleaning frequency.
Line Details
Send line size, connection standard, pressure class, orientation, and space limits.
Changeover Choice
Confirm ball valve, butterfly valve, inline, offset, or automated operation.
Quote & Delivery
Receive sizing notes, screen details, pricing, documentation, and schedule.
Continuous protection with planned service access.
We match chamber size, valve style, screen opening, and materials to your operating duty.
Request a Quote
Send line size, flow, pressure class, media, material, screen opening, and valve preference.

Your process data, drawings, and plant details remain confidential.
Online Basket Change
One chamber can stay active while the other is isolated for cleaning.
Valve Configurations
Ball, butterfly, inline, offset, and automated arrangements available.
Screen Engineering
Perforation, mesh, open area, and basket access reviewed for duty.


