Industry-Verified Manufacturing Data (2026)

Air Filter/Dryer

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Air Filter/Dryer used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Air Filter/Dryer is characterized by the integration of Filter Housing and Coalescing Filter Element. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless steel housing construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A component that removes contaminants and moisture from compressed air in purge systems.

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Product Specifications

Technical details and manufacturing context for Air Filter/Dryer

Definition
An air filter/dryer is a critical component within purge air systems that cleans and dries compressed air by removing particulate matter, oil aerosols, and water vapor to prevent contamination and corrosion in downstream equipment and processes.
Working Principle
Compressed air enters the filter/dryer where it passes through filtration media (such as coalescing filters) to capture solid particles and liquid droplets. For drying, the air may pass through desiccant materials (like silica gel or activated alumina) that adsorb moisture through physical or chemical processes, or through refrigeration systems that cool the air to condense and remove water vapor.
Common Materials
Stainless steel housing, Polyester/glass fiber filter media, Activated alumina/silica gel desiccant
Technical Parameters
  • Maximum flow rate capacity (Nm³/min) Standard Spec
Components / BOM
  • Filter Housing
    Contains and protects the filtration and drying media
    Material: Stainless steel or aluminum
  • Coalescing Filter Element
    Removes oil aerosols and fine particulate matter from compressed air
    Material: Glass fiber or synthetic fiber media
  • Desiccant Bed
    Adsorbs moisture from the air stream through physical or chemical attraction
    Material: Activated alumina or silica gel
  • Drain Valve
    Automatically removes accumulated liquids from the filter housing
    Material: Brass or stainless steel
Engineering Reasoning
0.5-16 bar (7.25-232 psi) at 20-40°C ambient temperature
Dew point suppression failure at +3°C above ambient temperature or 0.1 mg/m³ particulate breakthrough
Design Rationale: Adsorbent saturation (activated alumina/desiccant reaching 85% moisture capacity) causing water vapor breakthrough, or filter media pore clogging exceeding 0.5 bar differential pressure
Risk Mitigation (FMEA)
Trigger Compressed air oil aerosol contamination exceeding 0.01 mg/m³
Mode: Desiccant bed poisoning and permanent capacity reduction to <30% of design
Strategy: Upstream coalescing filter with 0.01 μm efficiency at 99.99% and automatic drain valve
Trigger Cyclic thermal loading from 100+ daily adsorption/regeneration cycles
Mode: Desiccant bead fracturing creating 5-20 μm fines that bypass filter media
Strategy: Pressure swing adsorption design with thermal mass flow controllers maintaining ±2°C regeneration temperature

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Air Filter/Dryer.

industrial compressed air filter dryer stainless steel air dryer for purge systems coalescing filter with desiccant bed activated alumina air dryer component polyester glass fiber compressed air filter

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Purge Air System
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 16 bar (232 psi)
dew point: -40°C to +3°C
flow rate: 0.5 to 100 m³/min (17.7 to 3531 CFM)
temperature: -20°C to 80°C
Media Compatibility
✓ Compressed air systems ✓ Instrument air lines ✓ Pneumatic control systems
Unsuitable: Oil-laden or chemically aggressive atmospheres
Sizing Data Required
  • Maximum air flow rate (CFM or m³/min)
  • Operating pressure (bar or psi)
  • Required dew point (°C or °F)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Filter Media Clogging
Cause: Accumulation of particulate matter, oil aerosols, and moisture beyond design capacity, often due to inadequate pre-filtration, excessive contaminant ingress, or extended service intervals.
Desiccant Saturation
Cause: Loss of moisture adsorption capacity in desiccant beds or cartridges from prolonged exposure to high humidity, thermal degradation, or oil contamination, leading to insufficient air drying.
Maintenance Indicators
  • Visible moisture or oil droplets in downstream air lines or equipment
  • Significant pressure drop across the filter/dryer unit exceeding manufacturer specifications
Engineering Tips
  • Implement condition-based monitoring with differential pressure gauges and dew point sensors to optimize replacement intervals and prevent over-saturation.
  • Install pre-filters and after-coolers upstream to reduce contaminant and moisture load, protecting the primary filter/dryer media.

Compliance & Manufacturing Standards

Reference Standards
ISO 8573-1:2010 (Compressed air purity classes) ANSI/ASHRAE 52.2-2017 (Air-cleaning device efficiency) DIN EN 1822-1:2019 (High efficiency air filters classification)
Manufacturing Precision
  • Filter element dimensions: +/- 0.5mm
  • Pressure drop tolerance: +/- 10% of rated value
Quality Inspection
  • Particle counting efficiency test (per ISO 16890)
  • Pressure decay leak test (per ISO 8573-4)

Factories Producing Air Filter/Dryer

Verified manufacturers with capability to produce this product in China

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✓ 97% Supplier Capability Match Found

T Technical Director from Canada Feb 07, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Project Engineer from United States Feb 04, 2026
★★★★☆
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Air Filter/Dryer meets all ISO standards. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from United Arab Emirates Feb 01, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Air Filter/Dryer arrived with full certification."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

15 sourcing managers are analyzing this specification now. Last inquiry for Air Filter/Dryer from Germany (33m ago).

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Frequently Asked Questions

How does this air filter/dryer remove moisture from compressed air?

The unit uses a two-stage process: first, a coalescing filter element captures liquid contaminants and particulates; then, an activated alumina/silica gel desiccant bed adsorbs moisture vapor, delivering dry, clean air for purge systems.

What maintenance is required for the desiccant bed?

The desiccant bed requires periodic regeneration or replacement based on air flow rates and moisture levels. The integrated drain valve automates condensate removal, extending desiccant life and maintaining efficiency.

Why is stainless steel housing important for this application?

Stainless steel provides corrosion resistance, durability in industrial environments, and compatibility with various compressed air systems, ensuring long-term reliability and preventing contamination from housing degradation.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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