Structured Manufacturing Data (2026)

Lance Tube

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Lance Tube 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 Lance Tube is characterized by the integration of Tube Body and Nozzle Assembly. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The tubular component of a soot blower that delivers cleaning medium to boiler surfaces

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Product Specifications

Technical details and manufacturing context for Lance Tube

Definition
A lance tube is the critical tubular component within soot blower systems that extends into boiler flue gas passages to deliver high-pressure steam, air, or water for removing ash, soot, and deposits from heat exchange surfaces. It serves as the conduit and delivery mechanism for the cleaning medium.
Working Principle
The lance tube is connected to a soot blower's rotating mechanism and cleaning medium supply. During operation, it extends into the boiler, rotates to cover specific areas, and delivers high-pressure cleaning medium through nozzles at its tip to dislodge deposits from heat exchange surfaces.
Common Materials
Stainless steel, Heat-resistant alloy steel
Technical Parameters
  • Diameter and wall thickness specifications (mm) Per Request
Components / BOM
  • Tube Body Part
    Main structural element that contains and directs the cleaning medium
    Material: Stainless steel or alloy steel
  • Nozzle Assembly
    Distributes cleaning medium in specific patterns for effective deposit removal
    Material: Hardened steel or ceramic
  • Connection Fitting Part
    Connects the lance tube to the soot blower rotating mechanism
    Material: Steel alloy

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lance Tube.

Soot Blower Lance Blowing Lance stainless steel lance tube for soot blowers heat-resistant alloy steel boiler cleaning tube soot blower lance tube replacement parts industrial boiler maintenance lance tube custom lance tube for machinery equipment

Applied To / Applications

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

Soot Blowers
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 MPa (1450 psi) operating, 15 MPa (2175 psi) design
flow rate: 0.5-5.0 m³/min (130-1320 GPM) depending on nozzle configuration
temperature: Up to 600°C (1112°F) continuous, 750°C (1382°F) peak
slurry concentration: Not applicable - designed for steam or air only
Media Compatibility
✓ Saturated steam cleaning ✓ Compressed air cleaning ✓ Water wash systems (intermittent)
Unsuitable: Abrasive slurry or particulate-laden media
Sizing Data Required
  • Boiler tube pitch/diameter
  • Required cleaning coverage pattern
  • Available lance insertion length

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: High-velocity particulate flow causing material degradation, often due to improper filtration or abrasive media in the process fluid.
Cavitation
Cause: Pressure drops below vapor pressure causing vapor bubble formation and collapse, typically from improper flow velocity, temperature extremes, or inadequate pressure control.
Maintenance Indicators
  • Visible external pitting or thinning on tube surface
  • Abnormal vibration or audible knocking sounds during operation
Engineering Tips
  • Implement real-time flow monitoring with pressure and velocity controls to maintain optimal operating parameters
  • Establish regular ultrasonic thickness testing schedule and maintain comprehensive filtration system for process fluids

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASTM A269/A269M - Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing CE Marking - Conformité Européenne for Pressure Equipment Directive 2014/68/EU
Manufacturing Precision
  • Outer Diameter: +/-0.05mm
  • Wall Thickness: +/-10% of nominal thickness
Quality Inspection
  • Hydrostatic Pressure Test
  • Eddy Current Testing for Defects

Factories Producing Lance Tube

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 Lance Tubes typically made from?

Lance Tubes are commonly manufactured from stainless steel or heat-resistant alloy steel to withstand high temperatures and corrosive environments in boiler systems.

What are the main components of a Lance Tube assembly?

A complete Lance Tube assembly consists of three primary components: the Tube Body, Nozzle Assembly for medium dispersion, and Connection Fitting for secure attachment to soot blower systems.

How does a Lance Tube improve boiler maintenance efficiency?

The Lance Tube efficiently delivers cleaning medium to boiler surfaces, removing soot and deposits that reduce heat transfer efficiency, thereby maintaining optimal boiler performance and reducing fuel consumption.

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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