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PIPING PRODUCTS FOR ISOLATION & TESTING

Industrial Blind Flanges


Custom and Standard Blind Flanges Available for Purchase or Rental

Product Features

• Available in line sizes from 1/2" to 96"
• Get your flange in ratings from 150# - 2500#
• Options include Raised face or RTJ gasket surfaces
• Flanges can be customized or to your required spec

Product Description

USA Industries is a specialized manufacturer of high quality industrial blind flanges. We offer immediate delivery for in-stock blind flanges, and we stock a large variety of standard sizes in carbon steel and stainless steel. Plate blind flanges manufactured in special stainless steel grades, nickel alloy and alloy steel can be custom made for you on request.

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Blind flanges are used to seal the end of piping systems or pressure vessel openings. They are commonly used for testing the flow of gas or liquid through a pipe or vessel. Blind flanges also allow for easy access to the pipe in case work must be done inside the line. They are oftentimes used for high pressure applications.

USA Industries provide these types of flanges in all material grades, specifications, in sizes that range from 1/2" thru 96", and ASME ratings from 150# to 2500#. Because USA Industries is the manufacturer and distributor of our blind flanges, we're able to fulfill your custom requests while staying within your desired timeframe.

Blind flanges are typically provided with raised face or Ring Type Joint (RTJ) facing. When a raised face is necessary for blind flanges, our standard height is 1/16" for blind flanges under 400#. For blind flanges of 400# and up, the standard blind flange raised face height is 1/4". Vents are available in the middle, top, or bottom of your flange and with socketweld or NPT vent connections.

USA Industries manufactures blind flanges in all steel material grades, including carbon, stainless steel, nickel alloy and alloy steel. USA Industries also has many different blind flanges in stock and ready to ship 24/7. Blinds are provided for either Series A (MSS SP44) or Series B (API 605) flanges, meeting ASME B16.47 & B16.48/ANSI B16.5 and B16.2 specifications. All other Blind Specifications A182, A350, B160, etc. can be provided upon request for purchase.

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Lunch and Learn


Lunch is on us! Let our industry reps come to your offices and highlight the latest advancements in piping isolation, tube plugs, heat exchanger tools and more. Save time while increasing your awareness of new products to the market!

Request Product Training


Our industry experts can come out to your plant or shop and show you how to use the tools USA Industries sells. Including: Heat Exchanger Tools, Specialty Piping Blinds, Snap It, Tube Plugs, and more...

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Need something ASAP?

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