Editorial Technical Reference

Gas Cooler

This page explains how Gas Cooler is classified within Chemical Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A heat exchanger that reduces the temperature of process gases in industrial systems.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Gas Cooler

Definition
A gas cooler is a specialized component used in chemical manufacturing, particularly within gas cleaning plants. Its primary function is to lower the temperature of hot process gases before they enter subsequent cleaning stages. By reducing gas temperature, the cooler protects downstream equipment from thermal damage and optimizes chemical reactions that are temperature-sensitive. The cooling process involves transferring heat from the hot gas to a cooling medium, typically water or air, through conduction and convection. This heat exchange occurs while maintaining the gas's pressure and flow characteristics, ensuring stable operation. Gas coolers are constructed from materials such as stainless steel, carbon steel, or copper alloys, selected based on the process gas composition and operating temperature. Key design parameters include cooling capacity (50–500 kW), design pressure (1.0–6.4 MPa per GB/T 150), design temperature (-40 to 200 °C), gas flow rate (1000–50000 Nm³/h), heat transfer area (10–500 m²), inlet gas temperature (100–400 °C), outlet gas temperature (40–80 °C), cooling water flow rate (10–200 m³/h), pressure drop on the gas side (≤0.05 MPa), leakage rate (≤0.1%), material of construction (304/316L per ASTM A240), and weight (500–5000 kg). These values are reference ranges and must be verified for the specific model and application. The gas cooler is a critical interface between the high-temperature process and the cleaning system, and its performance directly affects overall plant efficiency. Maintenance signals include reduced cooling efficiency, increased pressure drop, or visible corrosion. Failure boundaries are defined by material limits and design conditions; exceeding these can lead to leaks or structural failure. Always confirm model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The gas cooler operates on the principle of heat exchange. Hot process gas flows through the cooler, while a cooling medium (water or air) flows on the other side of a heat transfer surface. Heat is transferred from the gas to the cooling medium via conduction through the wall and convection on both sides. The temperature of the gas decreases, while the cooling medium's temperature increases. The design ensures that pressure and flow are maintained, with minimal pressure drop. The cooling capacity depends on the heat transfer area, temperature difference, and flow rates. The cooler is designed to achieve a specific outlet gas temperature, typically between 40 and 80 °C, to prepare the gas for downstream cleaning.
Common Materials
Stainless Steel, Carbon Steel, Copper Alloys
Technical Parameters
ParameterTypical rangeNotes & selection driver
Cooling Capacity50–500 kWBased on gas flow and temperature drop
Design Pressure1.0–6.4 MPaHigher pressure requires thicker shellGB/T 150
Design Temperature-40–200 °CMaterial selection depends on temperature
Gas Flow Rate1000–50000 Nm³/hDetermines heat transfer area
Heat Transfer Area10–500 Affects cooling efficiency
Inlet Gas Temperature100–400 °CHigher inlet temperature requires more cooling
Outlet Gas Temperature40–80 °CTypical desired outlet temperature
Cooling Water Flow Rate10–200 m³/hRequired to achieve cooling capacity
Pressure Drop (Gas Side)≤0.05 MPaLower is better for system efficiency
Leakage Rate≤0.1 %Ensures safety and efficiency
Material of Construction304/316LCorrosion resistance for process gasesASTM A240
Weight500–5000 kgAffects installation and support

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Cooling Tubes Part
    Primary heat transfer surface where gas flows and transfers heat to cooling medium
    Material: Stainless Steel
  • Tube Sheets Part
    Support and secure cooling tubes in position, maintaining structural integrity
    Material: Carbon Steel
  • Cooling Jacket/Casing Part
    Enclosure containing cooling medium flow around tubes, providing thermal insulation
    Material: Carbon Steel
  • Inlet/Outlet Manifolds Part
    Distribute and collect gas flow to/from multiple cooling tubes
    Material: Stainless Steel
  • Support Structure Part
    Provides mechanical support and vibration resistance for the entire assembly
    Material: Structural Steel

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 100 bar
flow rate: 0.5 to 50 m³/s
temperature: -50°C to 400°C
slurry concentration: Up to 30% solids by weight
Media Compatibility
✓ Natural gas processing ✓ Compressed air systems ✓ Chemical reactor exhaust
Unsuitable: Highly corrosive acid gas streams (e.g., HCl, SO₃) without specialized materials
Sizing Data Required
  • Inlet gas temperature (°C)
  • Required outlet temperature (°C)
  • Gas flow rate (m³/h)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced leakage
Cause: Chemical attack from process gases, moisture, or contaminants leading to pitting, stress corrosion cracking, or general thinning of tubes/fins, especially in acidic or chloride-rich environments.
Fouling and blockage
Cause: Accumulation of particulates, scale, or biological growth on heat exchange surfaces, reducing thermal efficiency and increasing pressure drop, often due to poor inlet filtration or inadequate water treatment.
Maintenance Indicators
  • Audible hissing or gas leakage sounds indicating seal failure or tube rupture
  • Visible frost or ice buildup on specific sections signaling refrigerant maldistribution or low airflow
Engineering Tips
  • Implement routine infrared thermography surveys to detect abnormal temperature gradients indicating fouling, blockages, or refrigerant issues before failure occurs.
  • Establish a proactive tube cleaning and fin straightening program using non-destructive methods (e.g., chemical cleaning, air/water jetting) to maintain heat transfer efficiency and airflow.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 5149:2014 (Refrigerating systems and heat pumps - Safety and environmental requirements) ASME BPVC Section VIII (Pressure vessel construction) EN 378:2016 (Refrigerating systems and heat pumps - Safety and environmental requirements)

Quoted from the published standard.

Manufacturing Precision
  • Tube wall thickness: +/-0.1mm
  • Pressure vessel roundness: 0.5% of diameter
Quality Inspection
  • Hydrostatic pressure test (1.5x design pressure)
  • Helium leak test (sensitivity: 1x10^-6 mbar·L/s)

Manufacturers of Gas Cooler

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Cangzhou Datang Steel Pipe Co., Ltd.
Taiwan, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Supply Chain Compatible Machinery & Devices

Continuous Flow Reactor System

A modular, automated chemical processing system designed for continuous flow synthesis of chemical products.

Explore Specs →
Automated Batch Crystallization System

Automated system for controlled crystallization of chemical compounds in batch processes.

Explore Specs →
Automated pH Monitoring and Dosing System

Automated system for continuous pH monitoring and chemical dosing in process streams.

Explore Specs →
Automated Powder Dispensing and Blending System

Automated system for precise dispensing and homogeneous blending of powdered chemicals.

Explore Specs →

Frequently Asked Questions

What is the primary function of a gas cooler?

The primary function is to reduce the temperature of hot process gases before they enter subsequent cleaning stages, protecting downstream equipment and optimizing chemical reactions.

What materials are commonly used for gas coolers?

Common materials include stainless steel, carbon steel, and copper alloys. The selection depends on the process gas composition and operating temperature.

What are typical design pressure and temperature ranges?

Design pressure typically ranges from 1.0 to 6.4 MPa (per GB/T 150), and design temperature ranges from -40 to 200 °C. These are reference values and must be confirmed for the specific application.

How do I verify the performance of a gas cooler?

Verify model-specific parameters such as cooling capacity, gas flow rate, and outlet temperature with the legal manufacturer or supplier. Also check compliance with relevant applicable standards for leakage rate.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
Buyer enquiry

Request manufacturing insight for Gas Cooler

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes
Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here
We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman
CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim
A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.

Need to Manufacture Gas Cooler?

Compare manufacturer profiles with relevant product and process capability.

Previous Product
Fractionating Column
Next Product
High-Density Polyethylene (HDPE) Resin
Get QuotesChat