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Stainless Steel High-Pressure Flange Sight Glass

Designed for demanding industrial processes, the stainless steel high-pressure flange sight glass provides safe and reliable visual inspection of fluids in high-pressure pipelines. Suitable for chemical, petrochemical, pharmaceutical, food processing, and power generation applications.

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Technical data

Stainless Steel High-Pressure Flange Sight Glass

The Stainless Steel High-Pressure Flange Sight Glass is engineered for reliable visual monitoring of fluids in high-pressure pipeline systems. Manufactured from premium stainless steel and fitted with high-strength borosilicate, quartz, or sapphire glass, it delivers excellent corrosion resistance, pressure performance, and long-term durability.

Designed for ANSI, DIN, and custom flange standards, this sight glass enables operators to observe flow conditions, liquid levels, color changes, and process status without interrupting system operation. It is widely used in chemical processing, oil & gas, pharmaceutical production, food manufacturing, and power generation industries.

Stainless Steel High-Pressure Flange Sight Glass— Technical Data

SpecificationDetails
Product NameStainless Steel High-Pressure Flange Sight Glass
Body MaterialSS304, SS316, SS316L
Viewing WindowBorosilicate Glass, Quartz Glass, Sapphire Glass
Connection TypeFlanged
Flange StandardDIN, ANSI, JIS, GB or Custom
Nominal SizeDN15–DN300
Pressure RatingPN16–PN100 / ANSI Class 150–1500
Operating Temperature-40°C to 280°C (depending on glass material)
Seal MaterialPTFE, Graphite, Viton, Silicone (Optional)
Surface FinishPolished or Sandblasted
InstallationHorizontal or Vertical Pipeline

Stainless Steel High-Pressure Flange Sight Glass— Technical Advantages

FeatureAdvantage
High Pressure ResistanceEngineered to withstand demanding pressure conditions while maintaining structural integrity.
Premium Stainless SteelSS304, SS316, and SS316L provide excellent corrosion resistance and long-term durability.
Superior Optical ClarityHigh-quality viewing glass ensures accurate observation of fluid flow and process conditions.
Excellent Thermal StabilityPerforms reliably under elevated temperatures and repeated thermal cycling.
Precision Sealing DesignHigh-quality sealing components effectively prevent leakage and improve operational safety.
Flexible Material SelectionMultiple window materials are available to match different temperatures, pressures, and media.
Industry Standard CompatibilitySupports DIN, ANSI, JIS, and customized flange dimensions for easy installation.
Low MaintenanceRobust construction minimizes downtime and reduces maintenance costs throughout the product lifecycle.

Stainless Steel High-Pressure Flange Sight Glass— Drawing

KEY FEATURES

High Pressure Performance

Designed for reliable operation in demanding high-pressure pipeline systems.

Corrosion Resistant Construction

Stainless steel body provides excellent resistance to corrosion and harsh environments.

Superior Optical Clarity

High-quality glass ensures clear observation of flow and process conditions.

Leak-Free Sealing

Precision sealing design minimizes leakage and improves operational safety.

Wide Temperature Range

Suitable for both high-temperature and low-temperature industrial applications.

Custom Design Support

OEM / ODM customization available

Custom Manufacturing Service

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

TYPICAL APPLICATIONS

FAQ

A: It provides a safe viewing window for monitoring fluid flow, color, liquid level, and process conditions in pressurized pipeline systems.

A:Standard designs support PN10 and PN16, with customized high-pressure solutions available.

 


A: Yes, borosilicate glass can typically withstand up to 280°C depending on operating conditions.


A: Pressure ratings range from PN16 to PN100 and ANSI Class 150 to Class 1500, depending on the design and application.

A: Yes. We provide OEM and custom manufacturing based on your drawings, specifications, flange dimensions, and operating conditions.

Need Custom Stainless Steel High-Pressure Flange Sight Glass Solutuions?

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