INDUSTRY COMPONENT

Tube Body

The tubular structural element of a probe tube that houses and protects internal sensors while providing mechanical stability for accurate measurements.

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Component Specifications

Definition
The tube body is the primary cylindrical housing component of a probe tube assembly, designed to maintain precise dimensional stability while protecting internal sensing elements from environmental factors. It serves as the structural backbone that ensures proper alignment and positioning of measurement sensors, with specific requirements for straightness, concentricity, and surface finish to guarantee measurement accuracy.
Working Principle
The tube body provides a rigid, stable housing that maintains precise geometric relationships between internal components and external measurement points. It transfers mechanical forces while isolating sensitive elements from vibration, thermal expansion, and environmental contaminants, ensuring consistent sensor positioning and measurement repeatability.
Materials
Stainless steel 316L (ASTM A276), aluminum alloy 6061-T6, or titanium Grade 2, selected based on application requirements for corrosion resistance, thermal stability, and mechanical strength. Surface finish: Ra ≤ 0.8 μm for measurement surfaces.
Technical Parameters
  • outer_diameter 6-25 mm
  • wall_thickness 0.5-2.0 mm
  • pressure_rating Up to 10 bar
  • surface_roughness Ra ≤ 0.8 μm
  • temperature_range -20°C to +150°C
  • straightness_tolerance ≤ 0.05 mm/m
  • concentricity_tolerance ≤ 0.02 mm
Standards
ISO 1101, ISO 2768, DIN 7168, ASME Y14.5

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tube Body.

probe tube body measurement tube sensor housing precision tubing industrial probe components dimensional stability measurement accuracy Tube Body Tube Body in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Probe Tube

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

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Guide Tube

A precision tubular component that provides a controlled pathway for control rods within a nuclear reactor core.

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Permeate Tube

A tubular component within pressure vessels designed to collect and channel permeate (filtered fluid) from filtration membranes.

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Engineering Analysis

Risks & Mitigation
  • Dimensional instability due to thermal expansion
  • Corrosion in aggressive environments
  • Mechanical damage from impact
  • Contamination affecting measurement surfaces
FMEA Triads
Trigger: Material fatigue from cyclic loading
Failure: Crack formation leading to structural failure
Mitigation: Implement regular inspection protocols, use materials with appropriate fatigue strength, and design with safety factors
Trigger: Thermal expansion mismatch with internal components
Failure: Sensor misalignment and measurement drift
Mitigation: Select materials with compatible thermal expansion coefficients, incorporate thermal compensation designs
Trigger: Surface contamination from process fluids
Failure: Measurement inaccuracy and sensor damage
Mitigation: Implement protective coatings, establish regular cleaning procedures, use appropriate sealing systems

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 1101, dimensional tolerances per ISO 2768-m
Test Method
Coordinate measurement for dimensional verification, surface roughness testing per ISO 4287, material certification per ASTM standards

Buyer Feedback

★★★★☆ 4.7 / 5.0 (10 reviews)

"Testing the Tube Body now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Tube Body meets all ISO standards."

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Frequently Asked Questions

What are the key material considerations for probe tube bodies?

Material selection depends on application requirements: stainless steel for corrosion resistance, aluminum for lightweight applications, and titanium for high strength-to-weight ratio. All materials must maintain dimensional stability across the operating temperature range.

How does tube body straightness affect measurement accuracy?

Straightness deviations cause sensor misalignment, leading to measurement errors proportional to the deviation. For high-precision applications, straightness tolerance should be ≤ 0.05 mm/m to ensure measurement accuracy within specified limits.

What maintenance is required for probe tube bodies?

Regular inspection for surface damage, cleaning to prevent contamination buildup, and verification of dimensional stability. Periodic calibration checks ensure continued measurement accuracy.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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