Industry-Verified Manufacturing Data (2026)

Aftercooler

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Aftercooler 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 Aftercooler is characterized by the integration of Heat Exchanger Core and Cooling Fins. In industrial production environments, manufacturers listed on CNFX commonly emphasize Aluminum construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A heat exchanger that cools compressed air after compression to remove moisture and reduce temperature.

Product Specifications

Technical details and manufacturing context for Aftercooler

Definition
An aftercooler is a critical component in compressed air systems that cools hot, compressed air immediately after it exits the air compressor. This cooling process causes moisture in the air to condense, which is then removed through a moisture separator, resulting in drier, cooler air that protects downstream equipment and improves system efficiency.
Working Principle
Aftercoolers operate on the principle of heat exchange, typically using either air-cooling or water-cooling methods. Hot compressed air flows through tubes or channels while a cooling medium (ambient air or water) flows around them, transferring heat from the compressed air to the cooling medium. This temperature drop causes water vapor in the compressed air to condense into liquid water, which is then drained from the system.
Common Materials
Aluminum, Copper, Stainless Steel
Technical Parameters
  • Connection port size for compressed air inlet/outlet (mm) Customizable
Components / BOM
  • Heat Exchanger Core
    Transfers heat from compressed air to cooling medium
    Material: Aluminum or Copper
  • Cooling Fins
    Increases surface area for better heat transfer in air-cooled models
    Material: Aluminum
  • Moisture Separator
    Removes condensed water from the cooled air stream
    Material: Stainless Steel
  • Drain Valve
    Automatically or manually removes collected condensate
    Material: Brass or Stainless Steel
  • Housing/Casing
    Protects internal components and directs airflow
    Material: Galvanized Steel or Aluminum

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Aftercooler.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Operating: 1-20 bar, Max design: 25 bar
flow rate: 0.5-500 Nm³/min (standard air)
temperature: Inlet: 40-200°C, Outlet: 5-15°C above coolant temperature
coolant temperature: Coolant inlet: 5-35°C (water/glycol)
Media Compatibility
✓ Compressed air systems ✓ Industrial gas compression ✓ Pneumatic tool supply lines
Unsuitable: Corrosive gas streams with high chloride content
Sizing Data Required
  • Compressed air flow rate (Nm³/min)
  • Inlet air temperature (°C)
  • Required outlet air temperature (°C)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fouling and scaling
Cause: Accumulation of contaminants, minerals, or particulates from the compressed air or cooling water, leading to reduced heat transfer efficiency and increased pressure drop.
Corrosion and erosion
Cause: Exposure to moisture-laden compressed air, chemical contaminants, or high-velocity particulates, causing material degradation, pitting, or thinning of internal surfaces.
Maintenance Indicators
  • Significant increase in compressed air outlet temperature above design specifications
  • Audible hissing or gurgling indicating internal leaks or excessive moisture accumulation
Engineering Tips
  • Implement regular cleaning and descaling of heat exchange surfaces using appropriate chemical or mechanical methods to maintain optimal thermal performance
  • Install and maintain effective pre-filtration and moisture separators upstream to reduce contaminant and water ingress into the aftercooler

Compliance & Manufacturing Standards

Reference Standards
ISO 1217:2009 (Displacement compressors - Acceptance tests) ASME B31.3 (Process Piping) DIN 1945-1 (Reciprocating positive displacement compressors - Acceptance tests)
Manufacturing Precision
  • Tube-to-header weld alignment: +/- 0.5mm
  • Pressure vessel flatness: 0.2mm per meter
Quality Inspection
  • Hydrostatic pressure test (1.5x design pressure)
  • Airflow performance verification test

Factories Producing Aftercooler

Verified manufacturers with capability to produce this product in China

✓ 95% Supplier Capability Match Found

P Procurement Specialist from Brazil Feb 11, 2026
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Aftercooler so far."
Technical Specifications Verified
T Technical Director from Canada Feb 08, 2026
★★★★★
"Testing the Aftercooler now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
P Project Engineer from United States Feb 05, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
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.”

12 sourcing managers are analyzing this specification now. Last inquiry for Aftercooler from India (32m ago).

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Frequently Asked Questions

How does an aftercooler improve compressed air system efficiency?

An aftercooler cools compressed air after compression, reducing temperature to condense and remove moisture, which prevents corrosion, reduces wear on downstream equipment, and improves overall system performance and energy efficiency.

What materials are best for aftercooler construction in industrial applications?

Aluminum offers excellent heat transfer and lightweight properties, copper provides superior thermal conductivity, and stainless steel ensures corrosion resistance and durability in harsh environments—all commonly used based on specific application requirements.

What maintenance does an aftercooler require?

Regular maintenance includes inspecting and cleaning the heat exchanger core and cooling fins, checking the moisture separator and drain valve for proper operation, and ensuring the housing/casing remains intact to maintain optimal cooling efficiency and moisture removal.

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.

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