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Tubing Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

Tubing in evaporator coils is a critical component in refrigeration and air conditioning systems, designed to facilitate efficient heat transfer by circulating refrigerant. It typically consists of serpentine or coiled configurations that maximize surface area for heat absorption from the surrounding air or medium. The tubing must maintain structural integrity under varying pressures and temperatures while ensuring minimal thermal resistance and leakage.

Working Principle

Operates on the principle of phase-change heat transfer, where refrigerant inside the tubing evaporates from liquid to vapor, absorbing latent heat from the external environment. This process cools the surrounding air or fluid, with the tubing's design optimizing thermal conductivity and flow dynamics.

Materials

Commonly made from copper (C12200 or C11000) for high thermal conductivity and corrosion resistance, or aluminum alloys (e.g., 3003 or 6061) for lightweight applications. May include coatings or alloys for enhanced durability in specific environments.

Technical Parameters

Diameter 3/8" to 5/8" (9.5 mm to 15.9 mm)
Surface Finish Smooth or enhanced (e.g., micro-grooved) for improved heat transfer
Wall Thickness 0.032" to 0.049" (0.81 mm to 1.24 mm)
Pressure Rating 300 to 600 psi (2.07 to 4.14 MPa)
Temperature Range -40°F to 250°F (-40°C to 121°C)

Standards

ISO 9303, DIN 2391

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tubing.

Parent Products

This component is used in the following industrial products

Evaporator Coil

A heat exchanger component in a climate control system where refrigerant evaporates, absorbing heat from the surrounding air.

View Product Details

Condenser Coil

A heat exchanger component in a dehumidifier that releases heat from the refrigerant to the surrounding air, causing the refrigerant to condense from vapor to liquid.

View Product Details

Engineering Analysis

Risks & Mitigation

Corrosion from moisture or chemicals
Fatigue failure due to thermal cycling
Leakage from poor joints or material defects

FMEA Triads

Trigger: Corrosive environment or incompatible materials
Failure: Leakage or reduced heat transfer efficiency
Mitigation: Use corrosion-resistant alloys, apply protective coatings, and conduct regular inspections.

Trigger: Excessive pressure or thermal stress
Failure: Cracking or bursting of tubing
Mitigation: Design with adequate safety margins, implement pressure relief systems, and follow maintenance schedules.

Industrial Ecosystem

Compatible With

Evaporator coils in refrigeration units, air conditioners, heat pumps

Interchangeable Parts

Parker Hannifin, Wieland, Mueller Industries

Compliance & Inspection

Tolerance

±0.005" (0.13 mm) for diameter, ±10% for wall thickness

Test Method

Pressure testing per ISO 9303, leak detection with helium mass spectrometry

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

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 are the main materials used for evaporator coil tubing?

Copper is most common due to its excellent thermal conductivity and corrosion resistance, while aluminum is used for lightweight or cost-sensitive applications.

How does tubing diameter affect evaporator coil performance?

Larger diameters reduce pressure drop and improve refrigerant flow, but may require more space; optimal sizing balances efficiency with system constraints.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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.

Tubing