Thompson Industrial Strainers

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What Is a Thompson Strainer?

The Thompson strainer by Miller-Leaman is a high-efficiency filtration solution designed for low-pressure-drop operations. Its patented conical screen design improves flow while directing debris into a collection reservoir for easy flushing. Operating at less than 1psi pressure loss, it's ideal for demanding industrial filtration applications.

Key Features of the Thompson Strainer

Designed for efficient and low-maintenance industrial filtration, the Thompson strainer delivers dependable performance across demanding water and process applications.

Patented Conical Screen Design: Provides significantly greater filtration surface area than conventional filter strainers, helping improve flow efficiency and debris separation.

Low Pressure Loss Operation: Operates with less than 1psi pressure loss under clean conditions, helping reduce energy consumption and improve system efficiency.

Stainless Steel Construction: Built with durable stainless steel filter strainer construction for long-lasting performance, corrosion resistance, and reliability in harsh industrial environments.

Self-Cleaning Capability: An optional automatic timer flush system helps remove collected debris and minimize routine maintenance requirements.

Wide Mesh Size Availability: Available with multiple screen perforation and mesh options to support both coarse debris removal and fine particle filtration.

Customizable Housing Options: The Thompson strainer can be configured to meet specific application, flow rate, and installation requirements across industries.

Pressure Differential Alarm Option: An optional monitoring system provides real-time alerts when cleaning or maintenance is required.

Industries We Serve with Thompson Strainers

At Control Specialties, we supply reliable Thompson strainer solutions for a wide range of industrial filtration applications across North America.

  • Cooling Water Systems
  • Wastewater Treatment
  • Food and Beverage Processing
  • Agricultural and Irrigation
  • Chemical Processing
  • Marine and Seawater Filtration
  • Oil and Gas

Why Choose Control Specialties for Thompson Strainers?

Control Specialties provides reliable filtration solutions backed by industry expertise, fast support, and trusted product availability.

  • Authorized distributor of genuine Miller-Leaman Thompson strainers with OEM support and replacement parts.
  • Expert guidance for selecting the right Thompson filter configuration for your application.
  • Fast product availability with 24/7 customer support.
  • No minimum order requirements for single units or complete systems.
  • Complete range of stainless steel filter strainers and industrial filtration solutions.

Upgrade your filtration performance with the right filter strainer configuration for your system. Our specialists will quickly assess your flow requirements, mesh sizing, and instrumentation needs to recommend the ideal Thompson strainer for your application.

Speak with an expert and receive a fast and accurate solution quote tailored to your facility.

Frequently Asked Questions (FAQs)

Is Control Specialties an authorized Miller-Leaman distributor?

Yes. Control Specialties is an authorized distributor of Miller-Leaman products, offering genuine Thompson strainers, filters, accessories, and full OEM support with technical expertise.

What sizes are Thompson strainers available in?

Thompson strainers are available in 2" to 10" pipe sizes, handling flow rates from up to 2,000 GPM. Larger custom configurations and skid-mounted systems are also available for specialized industrial requirements.

What makes the Thompson strainer different from a standard basket strainer?

The Thompson strainer uses a patented conical screen design that offers more surface area than basket or Y-strainers, resulting in lower pressure drop, improved flow efficiency, and longer operating cycles with reduced maintenance costs.

Do you carry Thompson strainer repair parts?

Yes. We supply replacement and repair parts for Thompson strainers, including screen elements and flush valve components.

Can Thompson strainers handle high debris or sandy water conditions?

Yes. Thompson strainers are specifically designed for challenging conditions such as sandy well water and debris-heavy flows. Their conical screen design and self-flushing capability help maintain consistent performance with minimal clogging and reduced maintenance needs.

Can the Thompson strainer be flushed while in service?

Yes, Thompson strainers are designed for easy flushing and maintenance while the system remains in service. Their self-cleaning and backflushing capabilities help remove debris without interrupting flow, reducing downtime and improving operational efficiency.

What mesh sizes are available for Thompson strainers?

Thompson strainers are available in a wide range of mesh and perforation sizes to suit different filtration requirements. Available options depend on the application, fluid type, particle size, and desired level of filtration efficiency.

Why are low-pressure-drop strainers important?

Low-pressure-drop strainers help maintain efficient fluid flow while protecting HVAC and process equipment from debris. By minimizing flow resistance, they reduce energy consumption, improve system performance, and help pumps and other components operate more efficiently with less mechanical stress.