INDUSTRY COMPONENT

Sensor Tube Body

Sensor Tube Body is a precision-engineered cylindrical housing that protects and positions sensing elements in industrial measurement systems.

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Component Specifications

Definition
The Sensor Tube Body is a critical structural component in sensor tube/bypass assemblies, designed to provide a stable, protected environment for sensing elements (such as pressure, temperature, or flow sensors). It ensures accurate measurement by maintaining proper alignment, minimizing external interference, and facilitating fluid flow through defined pathways. Typically integrated into bypass configurations, it allows for representative sampling of process media while protecting sensitive instrumentation from direct exposure to harsh conditions.
Working Principle
The Sensor Tube Body operates by creating a controlled flow path that directs a representative sample of the process fluid past embedded sensing elements. In bypass configurations, it diverts a small portion of the main flow through the tube, where sensors measure parameters like pressure, temperature, or flow rate. The body's geometry and material properties ensure minimal pressure drop, prevent turbulence, and maintain thermal stability, enabling precise and reliable measurements that reflect the main process conditions.
Materials
Stainless steel (AISI 316L/304), Hastelloy, Titanium, or engineered plastics (PTFE, PEEK) depending on corrosion resistance, temperature, and pressure requirements. Surface finish: Ra ≤ 0.8 μm for hygienic applications.
Technical Parameters
  • Length 100-1000 mm
  • Diameter 6-50 mm
  • Wall Thickness 1-5 mm
  • Connection Type Threaded (NPT, BSP), Flanged, Clamp
  • Pressure Rating Up to 100 bar
  • Temperature Range -40°C to 200°C
Standards
ISO 1127, DIN 11850

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Sensor Tube Body.

sensor tube body industrial sensor housing bypass tube measurement component fluid handling pressure sensor tube temperature sensor housing ISO 1127 DIN 11850 Sensor Tube Body in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Sensor Tube/Bypass

A precision component within a Mass Flow Controller that houses the thermal sensor and provides a calibrated flow path for accurate gas measurement.

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Engineering Analysis

Risks & Mitigation
  • Material corrosion leading to contamination
  • Improper installation causing measurement drift
  • Fatigue failure under cyclic pressure
  • Thermal expansion mismatch with sensors
FMEA Triads
Trigger: Corrosive process media
Failure: Wall thinning or pitting, leading to leaks or sensor damage
Mitigation: Use corrosion-resistant materials (e.g., Hastelloy), apply protective coatings, and implement regular inspection schedules.
Trigger: Vibration from machinery
Failure: Cracking or loosening of connections, resulting in inaccurate readings
Mitigation: Design with reinforced mounts, use vibration-damping materials, and ensure proper installation torque.
Trigger: Thermal cycling
Failure: Expansion/contraction causing sensor misalignment or seal failure
Mitigation: Select materials with matched thermal coefficients, incorporate expansion joints, and control process temperature gradients.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm on diameter, ±0.5 mm on length
Test Method
Hydrostatic pressure testing per ISO 1127, dimensional verification with CMM, material certification to ASTM standards

Buyer Feedback

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Frequently Asked Questions

What is the primary function of a Sensor Tube Body?

It provides a protected, stable environment for sensing elements, ensuring accurate measurement by controlling fluid flow and minimizing external interference in industrial systems.

How does a Sensor Tube Body differ from a standard pipe?

Unlike standard pipes, it is precision-engineered with specific geometries, materials, and surface finishes to optimize sensor performance, reduce turbulence, and maintain calibration integrity.

Can Sensor Tube Bodies be customized for different industries?

Yes, they are often customized in material, size, and connection types to meet industry-specific requirements such as hygiene in food processing or corrosion resistance in chemical manufacturing.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Sensor Ports Sensor/detector