Pipe Blind Flanges or Steel End Caps | Located in Texas ...

BLIND FLANGE USES

A blind flange is considered a pipe fitting, and is typically used to block off a section of piping or a nozzle on a vessel that is not being used. It is similar in function to a pipe plug in that it closes off the end of a pipe or vessel; notwithstanding, a blind flange is typically used in larger applications where a high pressure flange connection is necessary. A blind flange is bolted onto the end of the pipe or vessel using bolts and provide a solid, leak-proof closure. Like other pipe fittings, blind flanges, or end caps, are integral components in piping systems for various industrial applications.

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PRIMARY USES

One of the primary purposes of a blind flange is to facilitate maintenance, repairs, or inspections within a piping system. By affixing a blind flange to the end of a pipeline or vessel, operators can isolate sections of the system for maintenance activities without needing to shut down the entire system. This ability to isolate specific segments of a piping system enhances operational efficiency and minimizes downtime.

In addition to their primary function of sealing off pipelines or vessels, a blind flange can also be used for pressure testing, where it serves as a temporary closure during hydrostatic or pneumatic tests to assess the integrity of the system. It is also utilized in scenarios where the end of a pipeline or vessel needs to be sealed permanently, such as during decommissioning or abandonment of facilities.

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These flanges are often used in conjunction with other components such as valves, fittings, and piping systems in industries ranging from oil and gas to chemical processing, power generation, and water treatment.

SPECIFICATIONS

Typically, we provide our ANSI flanges with raised face or Ring Type Joint (RTJ) facing. Our standard height is 1/16" for pipe caps under ASME rating 400#. For flanges of 400# and up, the standard raised face height is 1/4."

Need a blind flange with ports? Choose from middle, top, or bottom ports, and socket weld or NPT vent connections.

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