Cooling Coils: Design Pressure 15 bar, Tube OD 12.7-25.4 mm

Component Specifications

Definition

Cooling coils are tubular heat exchanger components designed for absorption column systems, where they facilitate heat removal from process fluids through indirect contact with refrigerant or cooling media. These coils consist of serpentine or helical tubing arrangements that maximize surface area for efficient thermal transfer, typically installed within the column's absorption section to maintain optimal temperature conditions for chemical absorption processes.

Working Principle

Cooling coils operate on the principle of convective heat transfer, where process fluid flows through or around the coils while refrigerant or cooling media circulates inside the tubes. Heat from the process fluid transfers through the tube walls to the cooling medium, lowering the fluid temperature. In absorption columns, this maintains the exothermic absorption reaction at controlled temperatures to prevent thermal runaway and ensure process efficiency.

Materials

Stainless steel (304/316L), copper-nickel alloys (90/10 or 70/30), titanium, or carbon steel with corrosion-resistant coatings; tube thickness: 1.2-2.5mm; pressure rating: 10-25 bar.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Tube OD	12.7-25.4 mm
Tube Pitch	25-50 mm
Surface Area	5-50 m²
Design Pressure	15 bar
Design Temperature	-20°C to 150°C
Heat Transfer Coefficient	500-1500 W/m²·K

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

Standards

ISO 15547, DIN 28180

Parent Products

This component is used in the following industrial products

Absorption Column System

A component in nitric acid production that absorbs nitrogen oxides into water to form nitric acid.

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Engineering Analysis

Risks & Mitigation

Corrosion from aggressive chemicals
Fouling reducing heat transfer efficiency
Thermal stress cracking
Refrigerant leakage

FMEA Triads

Trigger: Chemical corrosion from process fluids
Failure: Tube wall thinning and eventual leakage
Mitigation: Use corrosion-resistant alloys (316L stainless steel, titanium), implement regular thickness testing, and apply protective coatings

Trigger: Scale and particulate buildup
Failure: Reduced heat transfer efficiency and increased pressure drop
Mitigation: Install filtration systems, implement regular cleaning cycles, and use anti-fouling coatings

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5°C temperature control, ±2% heat transfer efficiency

Test Method

Pressure testing per ASME BPVC Section VIII, thermal performance testing per ISO 15547, material certification per ASTM standards

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

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

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Manufacturers of Cooling Coils

Manufacturer profiles associated with Cooling Coils.

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Frequently Asked Questions

What is the primary function of cooling coils in absorption columns?

Cooling coils remove heat generated during exothermic absorption reactions, maintaining optimal temperature ranges (typically 20-60°C) to ensure process efficiency and prevent thermal degradation of chemicals.

How do cooling coils differ from standard heat exchangers?

Cooling coils are specifically designed for integration within absorption columns with compact serpentine configurations, corrosion-resistant materials for chemical environments, and precise temperature control capabilities for sensitive absorption processes.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Cooling Coils