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Lumistar Straight-Through Sight Glass

The Lumistar Straight-Through Sight Glass is designed for direct visual monitoring of liquids, gases, and process media in industrial pipelines. Featuring a full-bore straight-through flow path and high-strength stainless steel construction, it ensures excellent visibility, minimal pressure loss, and reliable operation in demanding process environments.

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Technical data

Lumistar Straight-Through Sight Glass for Continuous Process Observation

The Lumistar Straight-Through Sight Glass is a premium inline viewing solution engineered for visual inspection of liquids, gases, and process media flowing through industrial pipelines.

Its straight-through design provides an unrestricted flow path, minimizing turbulence and pressure drop while offering a clear observation area for monitoring flow conditions, product quality, contamination, color changes, bubbles, foam formation, and process performance.

Manufactured from high-quality stainless steel and equipped with precision-engineered transparent viewing windows, the sight glass combines excellent mechanical strength, corrosion resistance, and optical clarity.

The viewing section can be supplied with borosilicate glass, tempered glass, fused quartz glass, or sapphire glass depending on operating pressure, temperature, and chemical compatibility requirements.

Designed for installation in chemical processing plants, pharmaceutical facilities, food production lines, petrochemical systems, water treatment plants, and industrial utility pipelines, the Lumistar Straight-Through Sight Glass provides safe and reliable process visibility with minimal maintenance requirements.

Lumistar Straight-Through Sight Glass— Technical Data

Parameter ItemDescription
Product IntroductionStraight through sight glass: used for observing the flow of liquid in pipelines such as reflux and cooling water before draining or receiving tanks.
Valve body materialavailable in various types such as carbon steel, stainless steel, rubber lining, fluorine lining, etc
Nominal pressure range10, 16, 25, 40, 64, 100 kilograms.
Working temperature≤ 300 °C
Nominal diameterTemperature, pressure, and model can be customized non-standard for DN15 – DN200.

Lumistar Straight-Through Sight Glass— Technical Advantages

FeatureBenefit
Straight-Through DesignReduced turbulence and pressure loss
Large Viewing WindowImproved process monitoring
Stainless Steel HousingSuperior corrosion resistance
High Strength ConstructionIncreased operational safety
Multiple Glass OptionsFlexible application compatibility
International StandardsEasy global installation
Leak-Tight SealingReliable process containment
Long Service LifeLower maintenance costs

Lumistar Straight-Through Sight Glass— Drawing

Pg=10 kg/cm²
Nominal diameter DgExternal dimensionsGlass plateWeight
inmmLHdiameterthickness(kg)
1/2″1520013065104.5
3/4″2020013065105
1″2520013065105.5
1 1/4″3226018095159.2
1 1/2″4026019095159.7
2″503202101402017
2 1/2″653202351402019
3″803602501652024
4″1003602701652026
5″1254402951652032
6″1504403351652036
8″2004803801652048

KEY FEATURES

Straight-Through Full-Port Design

Provides unrestricted media flow and minimizes pressure loss within the pipeline.

Excellent Process Visibility

Large transparent viewing area enables continuous monitoring of flow conditions and product quality.

Stainless Steel Construction

Available in SS304, SS316L, Duplex Stainless Steel, and customized corrosion-resistant alloys.

High Pressure Capability

Engineered for industrial process systems operating under pressure.

Corrosion Resistant Design

Suitable for aggressive chemicals, solvents, acids, alkalis, and process fluids.

Easy Maintenance

Simple modular construction allows quick inspection and replacement of components.

Custom Manufacturing Service

We provide tailor-made solutions according to drawings or technical requirements.

TYPICAL APPLICATIONS

FAQ

A: A straight-through sight glass installed in a pipeline that allows operators to visually monitor fluid flow and process conditions without interrupting operation.

A:The straight-through configuration minimizes pressure loss and flow disturbance while providing maximum visibility.

 


A: Yes. Material combinations can be selected for acids, alkalis, solvents, seawater, and other aggressive media.


A: Yes. Pressure ratings can be customized according to project requirements.

A: Yes. Lumistar offers customized dimensions, materials, flange standards, and pressure classes.

Need Custom Lumistar Straight-Through Sight Glass Solutuions?

Send us your drawings or technical requirements for fast quotation and engineering support.