Structured Manufacturing Data (2026)

Evaporator

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Evaporator 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 Evaporator is characterized by the integration of Coil Tubes and Fins. In industrial production environments, manufacturers listed on CNFX commonly emphasize Copper construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A heat exchanger component in a refrigeration system where refrigerant absorbs heat from the surrounding environment, causing it to evaporate from liquid to vapor.

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Product Specifications

Technical details and manufacturing context for Evaporator

Definition
The evaporator is a critical component within refrigeration and air conditioning systems where the actual cooling effect occurs. It functions as a heat exchanger where low-pressure, low-temperature liquid refrigerant absorbs thermal energy from the medium being cooled (air, water, or another fluid), causing the refrigerant to boil and change phase into a vapor. This heat absorption process cools the target medium. In a typical vapor-compression refrigeration cycle, the evaporator is positioned after the expansion device and before the compressor.
Working Principle
Liquid refrigerant, having passed through an expansion valve or capillary tube, enters the evaporator at low pressure and temperature. As it flows through the evaporator coils or tubes, it absorbs latent heat from the warmer surrounding medium (e.g., air blown across the coils). This heat transfer causes the refrigerant to evaporate, changing its state from a liquid to a saturated vapor. The now-cooled air or fluid is circulated to provide the desired cooling effect, while the vaporized refrigerant is drawn into the compressor to continue the cycle.
Common Materials
Copper, Aluminum, Steel
Technical Parameters
  • Tube diameter and fin spacing are critical for heat transfer efficiency and airflow resistance. (mm) Per Request
Components / BOM
  • Coil Tubes Part
    Channels through which the refrigerant flows, providing the primary surface for heat absorption.
    Material: Copper or Aluminum
  • Fins Part
    Thin metal plates attached to the tubes to increase the total heat transfer surface area and improve thermal efficiency.
    Material: Aluminum
  • Distribution Header
    Ensures even distribution of liquid refrigerant into multiple parallel coil circuits.
    Material: Copper or Brass

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Evaporator.

industrial refrigeration evaporator coil copper evaporator for machinery cooling aluminum evaporator heat exchanger evaporator distribution header design heavy-duty steel evaporator BOM

Applied To / Applications

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

Refrigeration System
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Refrigeration Unit
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Industrial Chiller
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 30 bar
flow rate: 0.5 to 50 m³/h
temperature: -40°C to 150°C
slurry concentration: Up to 40% solids by weight
Media Compatibility
✓ Water/Glycol Solutions ✓ Ammonia Refrigerant ✓ Hydrocarbon Refrigerants
Unsuitable: Chlorinated Solvents
Sizing Data Required
  • Heat Load (kW)
  • Refrigerant Type and Properties
  • Required Evaporation Temperature

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Scaling and Fouling
Cause: Accumulation of mineral deposits, salts, or biological growth on heat transfer surfaces due to poor water quality, inadequate pretreatment, or insufficient blowdown cycles, leading to reduced heat transfer efficiency, increased energy consumption, and potential overheating.
Corrosion and Pitting
Cause: Chemical attack from aggressive process fluids, oxygen ingress, or improper pH control, exacerbated by high temperatures and stagnant conditions, resulting in wall thinning, leaks, and structural integrity loss, particularly in tubes, tube sheets, and shells.
Maintenance Indicators
  • Significant drop in evaporator efficiency (e.g., reduced condensate output or increased steam consumption without process changes)
  • Visible leaks, steam or vapor escaping from joints, or audible hissing sounds indicating pressure loss or seal failure
Engineering Tips
  • Implement a rigorous water treatment and blowdown control program to minimize scaling and fouling, including regular monitoring of TDS (Total Dissolved Solids) and pH levels.
  • Conduct periodic non-destructive testing (e.g., ultrasonic thickness gauging) on critical components like tubes and shells to detect early corrosion or wear, and apply protective coatings or cathodic protection where feasible.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ASME BPVC Section VIII - Pressure vessel construction PED 2014/68/EU - Pressure Equipment Directive (CE marking)
Manufacturing Precision
  • Tube wall thickness: +/-0.1mm
  • Flatness of mounting surfaces: 0.2mm
Quality Inspection
  • Hydrostatic pressure test
  • Helium leak detection test

Factories Producing Evaporator

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are commonly used in industrial evaporators for machinery manufacturing?

Industrial evaporators are typically constructed from copper for excellent thermal conductivity, aluminum for lightweight corrosion resistance, or steel for heavy-duty durability, depending on the specific refrigeration system requirements.

How does an evaporator function in a refrigeration system?

The evaporator acts as a heat exchanger where liquid refrigerant absorbs heat from the surrounding environment, causing it to evaporate into vapor. This process cools the air or fluid being circulated through the system.

What are the key components in an evaporator's bill of materials (BOM)?

A standard evaporator BOM includes coil tubes for refrigerant flow, distribution headers to ensure even refrigerant distribution, and fins to maximize surface area for efficient heat transfer between the refrigerant and surrounding medium.

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 basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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