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Blind Flange

Steel Blind Flanges | ASME EN GOST Standard | Reliable Pipeline Sealing End Solution

A blind flange is a solid steel disc with no central bore, designed to seal pipeline ends and pressure vessels, and enables convenient pipeline isolation for maintenance, pressure testing and future line modifications.

As a professional manufacturer of industrial blind flanges, Pengrun can produce blind flanges in carbon steel, stainless steel, alloy steel, and duplex stainless steel. All products comply with ASME, EN, GOST, and other standards to ensure reliable sealing performance.

Core Advantages of Pengrun Blind Flanges

Precision leak-proof sealing

Various materials

ASME/DIN/EN compliant

Rigorous quality control

Stock & custom available

Categoría de productos
Industries
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    Bridas ciegas

    Bridas ciegas (BLRF)

    Structural diagram

    Applications of Blind Flanges

    OIL AND GAS

    Pipeline isolation for gathering & transmission lines

    PETROCHEMICAL

    Sealing for refinery & chemical piping

    POWER GENERATION

    Closure for steam & water systems

    MARINE & OFFSHORE

    Sealing for ship & offshore piping

    MINING & METALLURGY

    Isolation for mining process lines

    WATER & DESALINATION

    End capping for water supply systems

    FIRE PROTECTION & HVAC

    Closure for fire & HVAC piping

    MUNICIPAL ENGINEERING

    Sealing for urban public pipelines

    FAQs

    What is a blind flange?

    A steel blind flange is a solid disc with no central bore, used to seal pipeline ends. Our blind flange suitable for maintenance, pressure testing and future line expansion.

    What are its core advantages?

    Easy to install and remove, delivers a leak-proof seal, and allows quick access for pipeline inspection and modification.

    When should I use it?

    For sealing inactive lines, isolating pipe sections for maintenance, pressure testing, or capping lines planned for expansion.

    What face types do you offer?

    Three main options: blind raised face flange (RF) for medium pressure, flat face (FF) for low pressure, and RTJ for high-pressure oil & gas systems.

    Do you support custom orders?

    Yes. As a professional blind flange manufacturer, we stock standard flanges and also supply custom non-standard sizes and special specs per customer drawings.

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