Blind / Spectacle Blind Flange For Pipeline Isolation

Blind & Spectacle Blind Flanges for Pipeline Isolation – High-Quality Flanges by SSM

SSM provides premium Blind Flanges and Spectacle Blind Flanges, designed for pipeline isolation, maintenance, and pressure testing in industrial piping systems. Our flanges are manufactured to meet international standards including ANSI, ASME, DIN, and GOST, ensuring reliability and leak-free performance.

What is a Blind Flange?

A Blind Flange is a solid plate used to close the end of a pipeline, valve, or pressure vessel. It effectively blocks flow and allows for safe maintenance or system testing.

A Spectacle Blind Flange, on the other hand, features a figure-eight shape-one side solid and one side open-allowing operators to easily isolate or open a pipeline without removing the flange completely.

Material Options

SSM manufactures Blind and Spectacle Blind Flanges in a wide range of materials to suit different applications:

Carbon Steel: ASTM A105, Q235

Stainless Steel: SS304, SS316, SS316L, SS321, SS347

Alloy Steel: ASTM A182 F5, F9, F11

Custom coatings such as black oxide, PTFE, or anti-rust oil are also available.

Key Features

Standards Compliance: ANSI, ASME, DIN, GOST

Pressure Classes: 150#, 300#, 600#, 900#, 1500#

Sizes: ½" – 48" (DN15 – DN1200)

Face Types: RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint)

Applications: Ideal for pipeline isolation, inspection, testing, or maintenance

Applications

SSM Blind and Spectacle Blind Flanges are widely used in:

Oil & gas pipelines

Petrochemical plants

Power generation systems

Water treatment and chemical plants

Offshore and marine applications

Why Choose SSM?

Over 30 years of experience in flange manufacturing

Advanced forging and machining equipment for high precision

ISO, PED, and TS certified production facilities

Custom sizes, pressure classes, and materials available

Reliable global delivery and competitive pricing

Conclusion

For reliable and high-quality Blind and Spectacle Blind Flanges for pipeline isolation, SSM is your trusted supplier. Our products ensure safe operation, long service life, and precise fit in all industrial piping systems.

📩 Contact SSM today for quotations or technical support for your flange requirements.

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