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Transparent Tube / Window Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

A transparent cylindrical tube or flat window assembly designed for direct visual observation of fluid levels, flow conditions, or process media within tanks, vessels, or pipelines. Typically integrated into level gauges or sight glasses to provide real-time monitoring without requiring electronic sensors.

Working Principle

Operates on the principle of direct visual observation through transparent materials. The component allows light transmission while containing the process fluid, enabling operators to see the fluid-air interface or flow patterns. In level gauges, it utilizes the hydrostatic principle where the fluid level inside matches the external tank level when properly installed.

Materials

Borosilicate glass (temperature resistant), tempered glass (impact resistant), polycarbonate (shatterproof), acrylic (PMMA), quartz glass (high temperature/corrosion resistance), with stainless steel or plastic end fittings.

Technical Parameters

Length 50-2000 mm
Diameter 6-100 mm
Transparency >90% light transmission
Wall Thickness 2-10 mm
Pressure Rating Up to 40 bar
Temperature Range -40°C to +400°C

Standards

ISO 6552, DIN 7081, ASME B40.100

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Transparent Tube / Window.

Parent Products

This component is used in the following industrial products

Level Gauge / Sight Glass

A transparent window or gauge used to visually monitor the liquid level inside a vessel or separator.

View Product Details

Engineering Analysis

Risks & Mitigation

Glass breakage from pressure/temperature shock
Chemical compatibility issues
Gasket failure leading to leaks
Fogging/condensation obstructing view
Scratches reducing visibility

FMEA Triads

Trigger: Thermal stress from rapid temperature changes
Failure: Cracking or shattering of transparent material
Mitigation: Use tempered or borosilicate glass, install thermal shields, implement gradual temperature transitions

Trigger: Chemical incompatibility with process fluid
Failure: Etching, clouding, or degradation of transparent surface
Mitigation: Material compatibility testing, protective coatings, regular inspection schedules

Trigger: Mechanical impact from equipment or tools
Failure: Cracks or breaks compromising containment
Mitigation: Protective guards, polycarbonate alternatives, proper installation clearances

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.5 mm diameter, ±1% length, flatness within 0.1 mm/m for windows

Test Method

Hydrostatic pressure testing per ISO 6552, visual inspection for defects, light transmission measurement, chemical resistance testing

Buyer Feedback

★★★★☆ 4.7 / 5.0 (35 reviews)

"Testing the Transparent Tube / Window 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 Transparent Tube / Window meets all ISO standards."

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Frequently Asked Questions

What materials are best for corrosive fluids?

Borosilicate glass or quartz glass offer excellent chemical resistance for most corrosive applications. For highly aggressive chemicals, PTFE-coated glass or specialized ceramics may be required.

How do I prevent glass breakage in high-pressure applications?

Use tempered safety glass with proper pressure ratings, ensure correct gasket installation, avoid thermal shock by gradual temperature changes, and install protective shields if needed.

Can transparent tubes be used for food-grade applications?

Yes, with food-grade materials like borosilicate glass (FDA compliant) and proper sanitary fittings. Regular cleaning and inspection are essential for hygiene.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Transparent Tube / Window