Filtration - Parker
Filtration protects equipment, products, people and the environment by removing contaminants from liquids, gases and air. From building HVAC to heavy industrial processes, the right filtration lowers costs and impr...
Compressed air filter elements are the replaceable parts that do the filtering inside compressed air housings. Regular replacement keeps air quality high and pressure drop low.
Element Types
- Particulate elements – remove solids
- Coalescing elements – remove oil and water aerosols
- Activated carbon elements – remove oil vapor
- OEM interchangeable elements – fit major brands
Replacement Tips
Replace elements annually or when pressure drop rises. Have the housing brand and model ready to find the right element.
Centro supplies compressed air filter elements.
Related categories: Compressed Air | Compressor Parts | Parts and Accessories
FRLs (filter, regulator and lubricator units) condition compressed air at the point of use. They remove contaminants, set the correct pressure and add lubrication for pneumatic tools and components.
FRL Options
- Combination FRL units – three functions in one assembly
- Filter/regulators – space-saving two-in-one
- Modular units – build custom air prep assemblies
- Accessories – gauges, brackets, shutoff valves and drains
- Metal and polycarbonate bowls – match pressure and environment
Choosing an FRL
Size the unit for peak air flow and select filter micron and regulator range. Skip the lubricator if components are pre-lubricated or air must be oil-free. Metal bowls are required in some environments.
Centro carries FRL units and parts for compressed air systems.
Related categories: Compressed Air | Filter Vessel Assemblies | Dryers | Drains
Filter vessel assemblies are essential filtration solutions, designed to meet the demands of diverse industrial applications. Engineered for efficiency and reliability, these assemblies promises superior filtration performance across industries such as water treatment, oil and gas, chemical processing, and pharmaceuticals. With customizable configurations and high-quality materials, they provide robust containment for filter elements, optimizing filtration efficiency while minimizing maintenance downtime. Filter vessel assemblies are adept at handling a wide range of flow rates and operating pressures, delivering consistent and clean fluid output crucial for maintaining operational integrity and regulatory compliance. Embrace innovation and precision in filtration technology with filter vessel assemblies through us. Browse our selection below or contact us for a product expert to help you in your selection.
Related categories: Compressed Air | FRL's | Dryers | Drains
Gas filters remove solid particles such as pipe scale, rust and dust from natural gas, fuel gas and process gas. Clean gas protects regulators, meters, valves and burners from wear and malfunction.
Gas Filter Options
- Inline gas filters – compact point-of-use protection
- Cartridge gas filters – higher capacity in vessels
- Fine and coarse elements – match contaminant size
- Approved fuel gas filters – for burner trains
Choosing a Gas Filter
Select based on flow, pressure rating, connection size and required filtration level. Check approvals for fuel gas service. Differential pressure gauges indicate when elements need changing.
Centro carries gas filters and replacement elements.
Related categories: Gas Filtering
Compressed air drains remove the condensate that collects in filters, dryers, receivers and drip legs. Removing water automatically protects equipment and keeps air quality up.
Drain Types
- Timer drains – simple, programmable discharge
- Zero air-loss drains – discharge water only, saving energy
- Float drains – mechanical, no power needed
- Internal filter bowl drains – automatic draining at filters
Choosing a Drain
Consider the condensate volume, pressure, power availability and oil content. Zero-loss drains pay back quickly by stopping wasted air. Route condensate to an oil-water separator before disposal.
Centro carries compressed air drains for filters, receivers and dryers.
Related categories: Compressed Air | Dryers | Parts and Accessories
Industrial filtration protects equipment, products and people by removing contaminants from liquids, gases and air. Clean process fluids extend pump and valve life, improve product quality and help plants meet environmental and safety rules.
Industrial Filtration Categories
- Liquid filtration – bag, cartridge, lenticular and hydraulic oil filters
- Strainers – Y, basket, duplex and automatic strainers
- Filter housings – single and multi-element vessels
- Gas filtration and separation – coalescers, separators and dryers
- Dust filtration – collectors, cartridges, bags and ducting
- Filter presses and automatic cleaning filters – for high solids loads
Choosing a Filtration Solution
Start with the fluid, flow rate, contaminant type and the cleanliness you need. Then weigh first cost against element life and maintenance. Often the best value comes from staged filtration, with a strainer or coarse filter protecting a finer filter downstream.
Centro supplies industrial filtration products from leading manufacturers and can help you choose the right products for an efficient filtration system.
Shop by type: Specialty Filters | Filter Housings | Liquid Filtration | Automatic Cleaning | Gas Filtration and Separation | Dust Filtration | Strainers
Related categories: Filtration | Commercial Filtration
Disposable cartridge filters are filtration devices used in various industries and applications to remove contaminants and impurities from liquids or gases. These filters are designed with a convenient and user-friendly "plug-and-play" concept, allowing for easy installation and replacement. The filter cartridges are typically constructed with high-quality filter media, such as pleated polypropylene, activated carbon, or other specialized materials, to effectively capture and retain particles, sediments, microbes, or chemicals present in the fluid or gas stream. Disposable cartridge filters offer several advantages, including cost-effectiveness, time savings, and reduced maintenance. They eliminate the need for cleaning or reusing filter elements, as the entire cartridge is replaced when it reaches its filtration capacity. This ensures consistent filtration performance and avoids the risk of cross-contamination between different process streams. Disposable cartridge filters are widely used in food and beverage, pharmaceuticals, biotechnology, and water treatment industries, where reliable and efficient filtration is critical for product quality, process efficiency, and regulatory compliance.
Related categories: Cartridge Filters and Vessels | Vessels
Compressed air dryers remove water vapor to prevent condensation, corrosion and freezing in air lines. Dry air protects tools, instruments and products, especially in painting, food and outdoor applications.
Dryer Types
- Refrigerated dryers – economical dew points around 35-39°F
- Desiccant air dryers – dew points to -40°F or lower
- Membrane dryers – point-of-use drying without power
- Heatless and heated regeneration – desiccant efficiency options
Choosing a Dryer
Select based on required pressure dew point, flow, inlet temperature and ambient conditions. Pre-filters protect desiccant dryers from oil. Size for summer conditions to avoid wet air.
Centro supplies compressed air dryers and replacement desiccant.
Shop by type: Desiccant Air Dryers
Related categories: Compressed Air | Drains | FRL's
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$115.00
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$223.01
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$143.00
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$264.01
Subject to factory lead times
$342.01
Subject to factory lead times
$402.01
Subject to factory lead times
$472.01
Subject to factory lead times
$555.01
Subject to factory lead times
$665.02
Subject to factory lead times
$180.00
Subject to factory lead times
$253.01
Subject to factory lead times
$357.01
Subject to factory lead times
$595.01
Subject to factory lead times
$817.02
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- Industrial filtration is the process of removing unwanted contaminants — solid particles, liquids, gases, and biological material — from air, water, process fluids, and gas streams in manufacturing and processing facilities. It is important because contamination directly impacts product quality, equipment life, worker safety, and regulatory compliance. Without effective filtration, particulates damage pumps, valves, heat exchangers, and instrumentation; airborne dust creates explosion hazards and respiratory risks; and product contamination leads to batch rejection, customer complaints, and regulatory violations. Filtration technologies span a wide range — from simple Y-strainers that catch pipe debris to sub-micron cartridge filters that purify pharmaceutical-grade liquids, from bag filters handling high-volume process streams to coalescing filters that remove oil aerosols from compressed air. The right filtration strategy protects capital equipment, ensures product meets specification, keeps workers safe, and helps facilities comply with EPA, OSHA, FDA, and other regulatory requirements.
- Choosing the right filter starts with four questions: what are you filtering (liquid, gas, air, or steam), what contaminants are you removing (particles, oil, water, biological material), what particle size must be captured (measured in microns), and what flow rate and pressure does the system require? For liquid filtration, bag filters and cartridge filters are the primary options — bag filters handle higher flow rates and larger particle loads cost-effectively, while cartridge filters provide finer filtration down to sub-micron levels. For gas and compressed air filtration, particulate filters remove solid particles, coalescing filters remove oil and water aerosols, and adsorption filters remove oil vapor and odors. For pipeline protection, strainers (Y-strainers and basket strainers) are installed upstream of pumps, valves, and instruments to catch large debris. For airborne dust and particulate, dust collectors with cartridge or bag filtration media capture contaminants at the source. The operating environment, chemical compatibility, temperature, and regulatory requirements further narrow the selection to the correct filter type, media material, and housing configuration.
- A micron rating indicates the size of the smallest particles a filter is designed to capture, measured in micrometers (µm). One micron is one-millionth of a meter — for reference, a human hair is roughly 70 microns in diameter, and bacteria are typically 0.5 to 5 microns. Filters are available from coarse ratings (100–200 microns for large debris) down to sub-micron ratings (0.01–1 micron for fine particulate, oil aerosols, and biological contaminants). Selecting the right micron rating depends on what you are protecting downstream and the quality specification your process requires. A coarse strainer (40–100 microns) upstream of a pump protects the pump from pipe scale and debris. A 5–25 micron bag or cartridge filter in a process line removes visible particulates. A 1 micron or finer cartridge filter is needed for pharmaceutical, food and beverage, or electronics manufacturing applications where product purity standards are stringent. Also consider whether you need a nominal rating (captures a percentage of particles at the stated size) or an absolute rating (captures virtually all particles at the stated size) — absolute-rated filters provide higher assurance for critical applications.
- Filter replacement or cleaning frequency depends on the contaminant load, flow rate, filter type, and how you monitor filter condition. The most reliable indicator is differential pressure — the pressure drop across the filter measured between the inlet and outlet. A clean filter has a low differential pressure; as the filter captures contaminants, the media becomes increasingly restricted and the differential pressure rises. Most filter housings include differential pressure gauges or ports for gauges. When the differential pressure reaches the manufacturer's recommended maximum (typically 15–35 psi for liquid filters, 2–10 psi for gas filters), the filter element should be replaced or cleaned. Operating beyond the maximum differential pressure risks filter bypass, media collapse, or contaminant breakthrough. In practice, many facilities establish a time-based replacement schedule as a baseline (monthly, quarterly, or semi-annually depending on conditions) and supplement it with differential pressure monitoring. Applications with highly variable contaminant loads benefit most from continuous differential pressure monitoring with alarms set at warning and change-out thresholds.