Structured Manufacturing Data (2026)

Probe Tube

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Probe 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 Probe Tube is characterized by the integration of Tube Body and Internal Bore/Lumen. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel 316L construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A tubular component of a sampling probe that physically extends into the material or environment being sampled.

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Product Specifications

Technical details and manufacturing context for Probe Tube

Definition
The probe tube is the elongated, hollow cylindrical section of a sampling probe that penetrates the target medium (gas, liquid, or powder) to extract a representative sample. It serves as the primary conduit through which the sample flows from the collection point to the probe's internal mechanism or external analysis system.
Working Principle
The probe tube is inserted into the sampling environment. The sample medium enters through an opening (often at the tip) and travels through the tube's internal bore via pressure differential, vacuum, or mechanical action, maintaining sample integrity during transfer.
Common Materials
Stainless Steel 316L, PTFE (Polytetrafluoroethylene), Hastelloy
Technical Parameters
  • Outer Diameter (OD) and Inner Diameter (ID) of the tube, critical for flow characteristics and mechanical strength. (mm) Standard Spec
Components / BOM
  • Tube Body Part
    Forms the main structural conduit for sample transfer.
    Material: Stainless Steel
  • Internal Bore/Lumen Part
    The hollow channel through which the sample flows.
    Material: n/a
  • Tip/Inlet Part
    The leading end of the tube, often shaped or perforated to facilitate sample entry.
    Material: Stainless Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Probe Tube.

stainless steel 316L probe tube PTFE sampling probe tube Hastelloy industrial probe tube machinery equipment sampling probe bore lumen probe tube specifications

Applied To / Applications

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

Sampling Probe
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 100 bar (dependent on wall thickness and material)
flow rate: 0.1 to 10 m/s (dependent on diameter and application)
temperature: -50°C to 400°C (dependent on material)
slurry concentration: Up to 40% solids by weight (dependent on abrasion resistance)
Media Compatibility
✓ Process gases (e.g., flue gas, natural gas) ✓ Liquid chemicals (e.g., acids, solvents) ✓ Slurries with moderate abrasiveness (e.g., mining tailings)
Unsuitable: Molten metals or extreme thermal shock environments
Sizing Data Required
  • Required sample flow rate (L/min or m³/h)
  • Process pipe or vessel diameter (mm or inches)
  • Material abrasiveness/corrosivity classification

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Wall thinning due to abrasive erosion
Cause: Continuous flow of particulate-laden fluids causing mechanical wear on the inner surface, accelerated by high velocity or turbulent flow conditions.
Cracking or fracture at connection points
Cause: Thermal cycling stress combined with vibration-induced fatigue, often exacerbated by improper installation torque or misalignment with mating components.
Maintenance Indicators
  • Visible external discoloration or localized hot spots indicating internal flow restriction or insulation failure
  • Audible high-frequency whistling or hissing sounds suggesting developing leaks or flow turbulence at compromised sections
Engineering Tips
  • Implement regular ultrasonic thickness testing at high-wear zones to monitor erosion rates and schedule proactive replacement before failure
  • Use proper torque sequencing and alignment tools during installation, and apply anti-vibration supports to minimize stress concentrations at connection interfaces

Compliance & Manufacturing Standards

Reference Standards
ISO 15212-1:1998 (Oscillation-type density meters) ASTM E1316-21a (Standard Terminology for Nondestructive Examinations) DIN 32561-1:2017 (Non-destructive testing - Penetrant testing)
Manufacturing Precision
  • Bore diameter: +/-0.01mm
  • Straightness: 0.05mm per 100mm length
Quality Inspection
  • Dimensional verification with coordinate measuring machine (CMM)
  • Liquid penetrant testing for surface defects

Factories Producing Probe 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 commonly used for probe tubes in machinery manufacturing?

Probe tubes are typically constructed from Stainless Steel 316L for corrosion resistance, PTFE (Polytetrafluoroethylene) for chemical inertness, and Hastelloy for extreme temperature and corrosion environments.

What are the main components of a probe tube assembly?

A standard probe tube consists of three key components: the Tube Body (main structural element), Internal Bore/Lumen (the sampling channel), and Tip/Inlet (the entry point for material sampling).

How do probe tubes function in industrial sampling applications?

Probe tubes physically extend into materials or environments to collect representative samples for analysis. They maintain integrity during sampling and ensure accurate measurement of process materials in machinery and equipment manufacturing.

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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