Structured Manufacturing Data (2026)

Tube Bundle (for shell-and-tube type)

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Tube Bundle (for shell-and-tube type) 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 Tube Bundle (for shell-and-tube type) is characterized by the integration of Tubes and Tube Sheets. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 304, 316) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A core assembly of parallel tubes arranged in a bundle, designed for heat transfer within a shell-and-tube heat exchanger.

Product Specifications

Technical details and manufacturing context for Tube Bundle (for shell-and-tube type)

Definition
The tube bundle is the central heat transfer component of a shell-and-tube type vent condenser. It consists of multiple tubes held together by tube sheets and often supported by baffles, contained within the outer shell. In a vent condenser application, it facilitates the condensation of vapors by transferring heat from the vapor stream inside the tubes (or shell) to a cooling medium on the opposite side.
Working Principle
Heat is transferred through the tube walls via conduction. In a typical vent condenser configuration, hot process vapors flow through the tubes (tube-side), while a coolant (often water) flows over the outside of the tubes within the shell (shell-side). The temperature difference drives heat from the vapor to the coolant, causing the vapor to condense into liquid.
Common Materials
Stainless Steel (e.g., 304, 316), Copper Alloys, Carbon Steel, Titanium
Technical Parameters
  • Tube Outer Diameter (OD), commonly ranging from 10mm to 50mm. (mm) Standard Spec
Components / BOM
  • Tubes Part
    Primary conduits for fluid flow and heat transfer surface.
    Material: Stainless Steel/Copper Alloy
  • Tube Sheets Part
    Hold tubes in place at both ends, providing a seal between tube-side and shell-side fluids.
    Material: Carbon Steel/Stainless Steel
  • Baffles Part
    Support tubes, direct shell-side fluid flow across the bundle to enhance heat transfer and reduce vibration.
    Material: Carbon Steel/Stainless Steel
  • Tie Rods & Spacers Part
    Secure baffles in position along the length of the bundle.
    Material: Carbon Steel/Stainless Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tube Bundle (for shell-and-tube type).

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 300 bar (shell side), Up to 600 bar (tube side)
flow rate: 0.5 to 5 m/s (tube side velocity)
temperature: -50°C to 400°C (depending on tube material)
slurry concentration: Up to 20% solids by weight (requires erosion-resistant materials)
Media Compatibility
✓ Water/Steam Systems ✓ Hydrocarbon Processing ✓ Chemical Solvents
Unsuitable: Highly corrosive acids (e.g., concentrated sulfuric acid) without specialized alloy tubes
Sizing Data Required
  • Heat Duty (kW)
  • Tube Side/Side Flow Rates (kg/h)
  • Allowable Pressure Drop (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced tube wall thinning
Cause: Chemical attack from process fluids, especially at high temperatures or with corrosive contaminants, leading to pitting, uniform thinning, or stress corrosion cracking.
Tube-to-tubesheet joint leakage
Cause: Thermal cycling causing differential expansion between tubes and tubesheet, mechanical fatigue from vibration, or improper initial rolling/welding during fabrication.
Maintenance Indicators
  • Visible external leakage at tube ends or shell-side connections, often accompanied by process fluid deposits or staining.
  • Audible vibration or humming from the shell, indicating flow-induced vibration or partial blockage leading to turbulent flow.
Engineering Tips
  • Implement regular tube wall thickness monitoring via non-destructive testing (e.g., ultrasonic testing) at critical zones like inlet ends and bends to detect thinning early.
  • Ensure proper tube support design and installation to minimize flow-induced vibration, and use anti-vibration baffles or additional supports where high velocities are present.

Compliance & Manufacturing Standards

Reference Standards
ISO 16812:2021 (Petroleum, petrochemical and natural gas industries - Shell-and-tube heat exchangers) ASME BPVC Section VIII (Boiler and Pressure Vessel Code, Division 1) EN 13445-3 (Unfired pressure vessels - Part 3: Design)
Manufacturing Precision
  • Tube-to-tubesheet joint leak tightness: ≤ 1×10⁻⁹ mbar·L/s (helium leak test)
  • Tube bundle straightness: ≤ 1 mm per meter length
Quality Inspection
  • Hydrostatic pressure test (1.5x design pressure for 30 minutes)
  • Eddy current testing of tubes for wall thickness and defects

Factories Producing Tube Bundle (for shell-and-tube type)

Manufacturer profiles with relevant production capability in China

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 for tube bundles in heat exchangers?

Tube bundles are typically manufactured from stainless steel (304, 316), copper alloys, carbon steel, or titanium, selected based on corrosion resistance, thermal conductivity, and application requirements.

How do baffles function within a tube bundle assembly?

Baffles direct shell-side fluid flow across the tube bundle, increasing turbulence and heat transfer efficiency while providing structural support to prevent tube vibration and damage.

What factors determine the lifespan of a tube bundle in industrial applications?

Lifespan depends on material selection, operating conditions (temperature, pressure, fluid corrosivity), maintenance practices, and proper installation to prevent fouling and corrosion.

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.

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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