Editorial Technical Reference

Injection Lance

This page explains how Injection Lance is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A precision tubular component designed to deliver agents into target systems with controlled flow and pressure.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Injection Lance

Definition
The Injection Lance is a critical component of the Agent Injection System, serving as the primary conduit through which specialized agents are precisely delivered into target environments. It functions as the interface between the injection system's reservoir and the application point, ensuring accurate dosage, controlled flow rates, and minimal contamination during the injection process. Its design is optimized for durability, chemical resistance, and compatibility with various agents used in industrial applications. This component is manufactured from Stainless Steel 316L, a grade known for its corrosion resistance and mechanical strength. The lance is available in a range of dimensions to suit different system requirements: inner diameters from 6 to 50 mm, wall thicknesses from 1.0 to 5.0 mm, and lengths from 100 to 3000 mm. These dimensions are subject to ISO 2768-1 tolerances. The operating pressure range is 1.0 to 1.6 MPa, with a burst pressure of at least 4.8 MPa (three times the operating pressure). The operating temperature range is -40 to 85 °C, and the flow rate varies from 0.5 to 10 m³/h depending on inner diameter and pressure drop, per ISO 5167. Surface roughness is Ra 0.8 to 1.6 μm (ISO 4287), and straightness is ≤0.5 mm/m (ISO 1101). The weight ranges from 0.5 to 15 kg, varying with length and wall thickness. When selecting an Injection Lance, verify that the inner diameter, wall thickness, length, and material grade match the specific agent and system requirements. Confirm the operating pressure, temperature, and flow rate are within the system's design envelope. Check that the surface finish and straightness meet the application's cleanliness and insertion needs. Always consult the legal manufacturer or supplier to validate model-specific values and standards, as the listed ranges are reference points and not a guarantee of compliance for a particular unit.
Working Principle
The Injection Lance operates by creating a sealed pathway from the agent reservoir to the target. When the injection system is activated, pressure or mechanical force drives the agent through the lance's internal bore. The lance's geometry (length, diameter, tip configuration) controls the flow characteristics, while its material construction prevents agent degradation and ensures reliable delivery even under high-pressure or corrosive conditions. The lance's straightness and surface finish are critical for maintaining consistent flow and minimizing fouling. Proper installation and sealing are essential to prevent leaks and ensure accurate dosing.
Common Materials
Stainless Steel 316L
Technical Parameters
ParameterTypical rangeNotes & selection driver
Inner Diameter6–50 mmDetermines flow rate and compatibility with existing systems.ISO 2768-1
Wall Thickness1.0–5.0 mmAffects pressure rating and mechanical strength.ISO 2768-1
Length100–3000 mmCustom lengths available; longer lances may require support.ISO 2768-1
Operating Pressure1.0–1.6 MPa
Burst Pressure≥4.8 MPaSafety factor of 3 times operating pressure.
Operating Temperature-40–85 °CSeal materials may limit range.
Flow Rate0.5–10 m³/hDepends on inner diameter and pressure drop.ISO 5167
Surface RoughnessRa 0.8–1.6 μmSmoother finish reduces fouling and pressure drop.ISO 4287
Straightness≤0.5 mm/mCritical for insertion into narrow ports.ISO 1101
Material Grade316LCorrosion-resistant; other grades available.ASTM A312
Weight0.5–15 kgVaries with length and wall thickness.

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

Components / BOM
  • Connector Flange Part
    Provides secure attachment to the injection system manifold
    Material: Stainless Steel
  • Main Body Tube Part
    Primary conduit for agent delivery with precision bore
    Material: Stainless Steel 316L
  • Tip Assembly
    Controls agent dispersion pattern and provides sealing interface
    Material: Hardened Steel or Ceramic

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 500 bar (7250 psi)
flow rate: 0.1-50 L/min (liquid), 1-500 SCFM (gas)
temperature: -50°C to 400°C
slurry concentration: Up to 60% solids by weight
Media Compatibility
✓ Molten metals (aluminum, steel) ✓ Chemical reagents (acids, bases) ✓ Pneumatic conveying powders
Unsuitable: Hydrofluoric acid environments
Sizing Data Required
  • Target system pressure drop (bar/psi)
  • Required injection flow rate (L/min or SCFM)
  • Agent viscosity and particle size distribution

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal fatigue cracking
Cause: Cyclic thermal stress from rapid heating/cooling during injection cycles, often exacerbated by poor lance material selection or inadequate cooling system design.
Clogging/blockage
Cause: Accumulation of process materials (slag, refractory particles) inside the lance bore due to improper purging, insufficient back-pressure, or suboptimal injection parameters.
Maintenance Indicators
  • Irregular or pulsating injection flow accompanied by audible knocking or vibration
  • Visible external discoloration (blueing or oxidation streaks) indicating overheating or internal damage
Engineering Tips
  • Implement regular lance bore inspection and cleaning schedules using appropriate purging media (e.g., nitrogen bursts) to prevent internal buildup and maintain flow integrity.
  • Optimize lance cooling system parameters (flow rate, temperature) and consider upgrading to materials with higher thermal shock resistance (e.g., specialized refractory-lined or alloy designs) for severe service conditions.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ASTM A53/A53M-20 - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless EN 10204:2004 - Metallic products - Types of inspection documents

Quoted from the published standard.

Manufacturing Precision
  • Bore Diameter: +/-0.05mm
  • Straightness: 0.1mm per meter length
Quality Inspection
  • Hydrostatic Pressure Test
  • Ultrasonic Wall Thickness Measurement

Manufacturers of Injection Lance

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Frequently Asked Questions

What materials are available for the Injection Lance?

The Injection Lance is available in Stainless Steel 316L as per ASTM A312. Other grades may be available upon request, but you must confirm with the manufacturer for specific options.

What is the operating pressure range?

The operating pressure range is 1.0 to 1.6 MPa, with a burst pressure of at least 4.8 MPa (three times the operating pressure). Always verify the actual pressure rating for your specific model.

Can the length be customized?

Yes, custom lengths are available, but longer lances may require additional support. The standard length range is 100 to 3000 mm, with tolerances per ISO 2768-1. Confirm with the supplier for your specific needs.

How do I ensure the lance is compatible with my system?

Check the inner diameter, wall thickness, length, and material grade against your system's requirements. Also verify operating pressure, temperature, and flow rate. Consult the manufacturer or supplier to confirm model-specific values and standards.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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