Industrial Strainers Technical Glossary
Complete Industrial Terminology Guide for Basket Strainers, Duplex Strainers, Y-Type Strainers, T-Type Strainers, Magnetic Strainers, and Pipeline Straining Systems
Industrial Filtration Technical Glossary
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View GlossaryFilter Bags & Media Glossary
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View GlossaryWhy Industrial Filtration Glossary Matters
Industrial filtration systems involve highly technical terminology that directly impacts system performance, product quality, operational safety, and maintenance planning. A clear understanding of filtration terms such as micron rating, differential pressure, nominal filtration, and absolute filtration is essential for engineers, plant operators, and procurement teams when selecting or maintaining filtration equipment.
In many industries, incorrect interpretation of filtration terminology can lead to improper filter selection, reduced equipment life, higher operational costs, and process contamination risks. A structured industrial filtration glossary helps standardize technical understanding across engineering, operations, purchasing, and maintenance teams, ensuring correct specification and application of filtration systems.
The industrial filtration glossary developed by Praimo Industrial Filters & Spares Manufacturing Company is based on real-world manufacturing knowledge, multi-industry application experience, and practical engineering insights. It serves as a technical reference to support better decision-making in system design, product selection, troubleshooting, and performance optimization.
Key Benefits of Using an Industrial Filtration Glossary
- Improves technical understanding of filtration systems and components
- Helps select correct filter housings, cartridges, strainers, and filter media
- Reduces risk of filtration system failure or process contamination
- Supports maintenance and troubleshooting activities
- Assists procurement teams in technical product comparison
- Enhances cross-team communication using standardized terminology
Industrial Strainer Terminology for Pipeline Protection and Liquid Filtration Applications
The Industrial Strainers Technical Glossary is an A to Z reference covering terminology used across pipeline straining and pre-filtration systems including basket strainers, duplex strainers, simplex strainers, Y-type strainers, T-type strainers, magnetic strainers, and self-cleaning strainers.
Industrial strainers play a critical role in protecting pumps, valves, flow meters, and downstream filtration equipment by removing coarse solids from liquid process streams. Strainer selection directly impacts pressure drop behavior, flow stability, maintenance frequency, and overall system reliability. This glossary supports process engineers, maintenance teams, and plant operators working with industrial pipeline filtration and liquid handling systems.
The glossary explains essential terminology including screen construction, perforated baskets, mesh liners, differential pressure monitoring, blow-down cleaning, open-area ratio, flow direction, and pressure rating considerations used in industrial strainer design and operation.
Industrial Strainer Engineering Knowledge from Praimo Industrial Filters & Spares Manufacturing Company
This glossary is developed using manufacturing and application engineering knowledge from Praimo Industrial Filters & Spares Manufacturing Company.
The company designs and manufactures basket strainers, duplex strainers, simplex strainers, Y-type strainers, T-type strainers, magnetic strainers, self-cleaning strainers, and customized pipeline straining systems for chemical, water treatment, oil and gas, marine, power, and general process industries.
Engineering Insight Correct strainer sizing based on debris load, screen open area, and operating pressure significantly reduces cleaning frequency and improves equipment protection.
Industrial Strainers Technical Glossary A to Z Terms
The following section provides alphabetical definitions of industrial strainer and pipeline straining terminology used across liquid process filtration and pipeline protection applications.
Glossary Not Found
Basket Strainer
Pipeline device with a removable perforated or mesh basket that traps coarse solids from liquids.
Praimo Engineering Note: Praimo basket strainers are fabricated in SS304, SS316L and carbon-steel epoxy-coated bodies for flow rates up to 300 m³/hr.
Duplex Strainer
Twin-basket unit allowing filtration through one chamber while the other is cleaned or serviced.
Praimo Engineering Note: Praimo duplex strainers use butterfly or ball change-over valves for uninterrupted 24 × 7 operation.
Simplex Strainer
Single-basket filter for intermittent or low-duty service lines.
Praimo Engineering Note: Praimo simplex strainers provide reliable protection for pumps and valves in utility water and coolant systems.
Y-Type Strainer
Compact Y-shaped strainer mounted horizontally or vertically for tight piping spaces.
Praimo Engineering Note: Praimo Y-strainers are precision-machined to minimize pressure drop and facilitate quick blow-down cleaning.
T-Type Strainer
T-pattern strainer offering low pressure loss and large filtration area for high-flow applications.
Praimo Engineering Note: Praimo T-type strainers are welded to ASME standards with custom nozzle orientations.
Magnetic Strainer
Strainer equipped with magnetic rods to capture ferrous particles from liquids.
Praimo Engineering Note: Praimo magnetic strainers protect gear pumps and bearings in hydraulic and machining lines.
Perforated Basket
Metal basket with drilled holes supporting the filter screen or mesh liner.
Praimo Engineering Note: Praimo uses perforated baskets of 1–5 mm hole size for coarse particle retention.
Mesh Liner
Fine screen insert placed inside a basket for smaller particle filtration.
Praimo Engineering Note: Praimo offers mesh liners from 10 µm to 2000 µm for multi-stage straining.
Blow-Down Valve
Bottom valve used to flush collected debris without disassembling the strainer.
Praimo Engineering Note: Praimo integrates SS ball valves for fast in-line cleaning and reduced downtime.
Screen Area Ratio
Ratio of screen open area to pipe cross-section; affects pressure loss and maintenance frequency.
Praimo Engineering Note: Praimo designs with a minimum 6:1 screen area ratio for optimal flow performance.
Cover Clamp / Bolting Ring
Mechanism that seals the strainer lid under pressure.
Praimo Engineering Note: Praimo uses swing-bolt closures for quick access and safe operation under 16 bar pressure.
Drain Port
Outlet at the bottom of the strainer for removing sediment and residual fluid.
Praimo Engineering Note: Every Praimo strainer includes a threaded drain with plug for maintenance ease.
Differential Pressure Indicator
Gauge showing pressure drop across the screen, used to signal clogging.
Praimo Engineering Note: Praimo recommends changeout or backwash when ΔP exceeds 0.7 bar for continuous flow.
Basket Handle
Top grip for lifting the basket during cleaning or replacement.
Praimo Engineering Note: Praimo fabricates reinforced handles for safe handling of heavy industrial baskets.
Flow Direction
Indicates how fluid enters and exits the strainer (typically in → out through screen).
Praimo Engineering Note: Praimo provides arrow-embossed nameplates to ensure correct installation orientation.
Pressure Rating
Maximum safe operating pressure of the strainer body.
Praimo Engineering Note: Praimo strainers are available from PN10 to PN40 and tested as per ASME hydrostatic standards.
Epoxy Coating
Corrosion-resistant paint layer on carbon-steel bodies.
Praimo Engineering Note: Praimo uses high-build epoxy coatings for seawater and cooling-tower applications.
Screen Support Cage
Internal frame supporting mesh and preventing collapse under pressure.
Praimo Engineering Note: Praimo cages are laser-cut and TIG-welded for dimensional stability.
Quick-Change Assembly
Design feature that allows rapid basket replacement without tools.
Praimo Engineering Note: Praimo quick-change mechanisms reduce maintenance time in batch operations by over 60 %.
Bypass Line
Auxiliary pipeline that allows fluid flow during strainer maintenance.
Praimo Engineering Note: Praimo duplex strainers integrate bypass lines for zero-interruption flow.
Seat Ring / Gasket Seal
Sealing interface between basket and body to prevent bypass.
Praimo Engineering Note: Praimo machines metal-to-metal or elastomeric seat rings for absolute sealing.
Self-Cleaning Strainer
Automatic unit that removes debris using back-flush or scraper mechanisms.
Praimo Engineering Note: Praimo self-cleaning filters use motorized scraper designs for high-solid loads in cooling water.
Open-Area Ratio
Effective area of screen openings relative to pipe area.
Praimo Engineering Note: Praimo optimizes open area for each media type to maintain laminar flow.
Hydrostatic Test
Water pressure test to verify strength and leak integrity.
Praimo Engineering Note: All Praimo strainers are tested at 1.5 × design pressure with calibrated gauges and certificates.
Maintenance Cycle
Interval between cleaning operations based on ΔP and debris load.
Praimo Engineering Note: Praimo design engineers help set maintenance intervals to minimize downtime and spares cost.
Magnetic Rod Assembly
Removable cluster of permanent magnets for ferrous particle capture.
Praimo Engineering Note: Praimo magnetic rods are rated at 10,000 Gauss for superior particle attraction.
Flanged Connection
Bolted joint for secure pipeline installation.
Praimo Engineering Note: Praimo provides ANSI, DIN and BS flanges based on project specification.
Vent Port
Small outlet at top of strainer for air release during start-up.
Praimo Engineering Note: Praimo vent valves prevent air pockets and ensure accurate pressure readings.
Wedge-Wire Screen
V-shaped wire construction that offers rigid, non-clogging surface filtration.
Praimo Engineering Note: Praimo wedge-wire screens handle high solid loads in effluent and mining applications.
Cleaning Frequency
Number of maintenance cycles required per month or operating hour.
Praimo Engineering Note: Praimo custom-sizes screen area to reduce cleaning frequency in continuous plants.