Are you tired of searching for the best blind flange suppliers? Finding the right factory can make all the difference in quality and reliability. By comparing top options, you can save time and money. Ready to discover the best suppliers? Let’s dive into the details!

Blind Flanges | McMaster-Carr

Product Details: Blind flanges are used to create an access point in a pipeline by bolting two flanges of the same size together with a gasket.

Technical Parameters:
– Available in various materials including steel, stainless steel, cast iron, alum…
– Designed for different pressure classes such as low-pressure, high-pressure, ext…

Application Scenarios:
– Industrial plumbing and water supply applications.
– Chemical processing and handling corrosive substances.

Pros:
– Provides a secure and leak-tight seal.
– Available in a wide range of materials suitable for various applications.

Cons:
– Can be brittle depending on the material used (e.g., cast iron).
– Installation may require specific tools and expertise.

Blind Flange | Hillman Brass & Copper

Product Details: Blind flanges made from specialty metals including copper, brass, bronze, stainless steel, and nickel-based alloys, designed to seal the end of pressure vessel openings or piping systems.

Technical Parameters:
– Available in various dimensions to suit piping standards
– Manufactured with strict tolerances for high-pressure and high-temperature envir…

Application Scenarios:
– Oil and gas extraction for high-pressure containment
– Chemical processing to prevent leaks and exposure to hazardous materials

Pros:
– Durability: Made from premium specialty metals resistant to corrosion and extrem…
– Customization: Offers custom fabrication to meet specific industrial standards

Cons:
– Limited to specific industrial applications
– Potentially higher initial cost compared to standard flanges


Blind Flange | Hillman Brass & Copper

Blind Flanges Suppliers – Thomasnet

Product Details: Blind flanges are used to seal the ends of pipes, preventing the flow of liquids or gases. They are available in various materials including carbon steel, stainless steel, titanium, and polypropylene.

Technical Parameters:
– Available sizes range from 1 to 240 inches in diameter.
– Materials include carbon steel, stainless steel, titanium, and polypropylene.

Application Scenarios:
– Used in piping systems for oil and gas industries.
– Suitable for chemical processing and water treatment applications.

Pros:
– Provides a secure seal to prevent leaks.
– Available in a variety of materials to suit different applications.

Cons:
– May require specific tools for installation.
– Not suitable for applications requiring frequent access to the pipeline.


Blind Flanges Suppliers - Thomasnet

10 Blind Flange Manufacturers in 2025 | Metoree

Product Details: A blind flange, also known as a blank flange, is a fitting used in piping systems to terminate the flow of fluids. It effectively seals the end of a pipeline, duct, or other fluid transfer equipment.

Technical Parameters:
– Nominal Diameter: Matches the diameter of the piping system, ranging from 10A to…
– Nominal Pressure: Chosen based on the fluid pressure and temperature, with stand…

Application Scenarios:
– Industrial plants for secure closure on piping systems.
– Power generation facilities for emergency or temporary shutdowns.

Pros:
– Prevents the entry of foreign materials into the piping system.
– Enables easy access for inspection, cleaning, or modification.

Cons:
– Requires proper gasket selection to ensure sealing performance.
– Installation must be done with specific torque to prevent leaks.


10 Blind Flange Manufacturers in 2025 | Metoree

Flanges – Blind Flange – Slip on Flange – Piping Supplies Inc

Product Details: Piping Supplies offers a wide range of flanges including blind, slip on, lap joint, weld neck, threaded, socket weld, reducing, raised face, pipe, ANSI, steel and alloy, stainless steel, and aluminum flanges.

Technical Parameters:
– Various end preparations (butt-weld, socket-weld, threaded, slip-on)
– Manufactured according to ANSI standards

Application Scenarios:
– Petrochemical industry
– Power generation
– Process piping
– Heat exchangers
– Pressure vessels
– Waterworks

Pros:
– High-quality manufacturing with over 50 years of experience
– Wide variety of flange types for different applications

Cons:
– Potentially limited availability of custom sizes
– Specialty flanges may have longer lead times


Flanges - Blind Flange - Slip on Flange - Piping Supplies Inc

Blind Flanges – Lynco Flange & Fitting

Product Details: Blind flanges are pipe fittings designed to block off a pipe or nozzle that’s not in use. They can be made from various materials, including steel and other metals, and may be forged for extra strength.

Technical Parameters:
– Types: Flat Face (FF), Raised Face (RF)
– Materials: Steel, Titanium, Stainless Steel, Forged options available

Application Scenarios:
– Conducting pressure tests on pipelines
– Sealing off pipes or nozzles for re-routing oil or gas

Pros:
– Essential for safe operation in oil and gas applications
– Available in a wide variety of sizes and materials

Cons:
– May require a reliable supplier for specific needs
– Potentially limited availability based on location


Blind Flanges - Lynco Flange & Fitting

Blind Flange (BLRF & BLFF Flange), SS Blind Flange – Manufacturers

Product Details: Blind flanges are used to close piping systems and provide easy access to lines once closed. They are manufactured in various materials including stainless steel, carbon steel, and alloys, and are available in different classes and sizes.

Technical Parameters:
– Size: ½” (15 NB) to 48″ (1200NB)
– Class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS

Application Scenarios:
– Oil Field
– Power Generation

Pros:
– Provides a secure closure for piping systems
– Available in a wide range of materials and sizes

Cons:
– Prices may vary frequently
– Requires specific standards for different applications

Blind Flanges Manufacturers & Suppliers, Blind Flanges at Low Prices

Product Details: Blind flanges are used to close the end of a vessel or piping system, preventing the flow of liquids or gases. They are available in sizes ranging from 1/2″ to 60″ and are manufactured from various materials including stainless steel, carbon steel, alloy steel, and special alloys.

Technical Parameters:
– Material Grades: Stainless Steel, Carbon Steel, Alloy Steel, Cupro Nickel, Haste…
– Pressure Rating: 150 to 2500 Class, PN 2.5 to PN 100

Application Scenarios:
– Used in piping systems to close off ends and for pressure testing.
– Applicable in high pressure and high temperature environments.

Pros:
– Manufactured to various standards including ANSI, BS, DIN, and JIS.
– Available in a wide range of sizes and materials for diverse applications.

Cons:
– Not suitable for applications requiring flow through the flange.
– Installation requires additional flanges and bolts for assembly.

Blind Flanges Suppliers | ANSI / ASME B16.5 BLRF Flanges, SS Blind …

Product Details: Blind Flanges are used to blank off the ends of piping, valves, and pressure vessel openings. They are suitable for high pressure temperature applications and are available in various materials and standards.

Technical Parameters:
– Sizes from 1/8″ NB to 48″ NB
– Available materials: Stainless Steel, Hastelloy, Inconel, Monel, Duplex Steel, S…

Application Scenarios:
– Petrochemical industry
– Water works

Pros:
– Suitable for high pressure and temperature applications
– Available in various sizes and materials

Cons:
– No standard inside diameter
– Limited to specific applications requiring sealing or blockage


Blind Flanges Suppliers | ANSI / ASME B16.5 BLRF Flanges, SS Blind ...

Blind Flange Manufacturers- ANSI/ASME, DIN, EN 1092-1 Flange

Product Details: Blind Flanges are solid disks used to block off a pipeline or to create a stop, featuring boltholes but no center hole. They are used to close the ends of piping systems and pressure vessel openings.

Technical Parameters:
– Size: 1/2″ (DN15) ~ 60″ (DN1500)
– Pressure Rating: 150#-2500# (PN6-PN40)

Application Scenarios:
– Used in petrochemical industries for sealing pipelines.
– Commonly utilized in public services and water works.

Pros:
– Cost-efficient way of sealing pipes compared to valves.
– Allows easy access to a line once sealed.

Cons:
– Cannot be used for applications requiring fluid flow.
– Installation may require additional fittings for specific applications.

Related Video

Comparison Table

Company Product Details Pros Cons Website
Blind Flanges McMaster-Carr Blind flanges are used to create an access point in a pipeline by bolting two flanges of the same size together with a gasket. – Provides a secure and leak-tight seal. – Available in a wide range of materials suitable for various applications. – Can be brittle depending on the material used (e.g., cast iron). – Installation may require specific tools and expertise.
Blind Flange Hillman Brass & Copper Blind flanges made from specialty metals including copper, brass, bronze, stainless steel, and nickel-based alloys, designed to seal the end of pressu… – Durability: Made from premium specialty metals resistant to corrosion and extrem… – Customization: Offers custom fabrication to meet specific indu… – Limited to specific industrial applications – Potentially higher initial cost compared to standard flanges
Blind Flanges Suppliers – Thomasnet Blind flanges are used to seal the ends of pipes, preventing the flow of liquids or gases. They are available in various materials including carbon st… – Provides a secure seal to prevent leaks. – Available in a variety of materials to suit different applications. – May require specific tools for installation. – Not suitable for applications requiring frequent access to the pipeline. www.thomasnet.com
10 Blind Flange Manufacturers in 2025 Metoree A blind flange, also known as a blank flange, is a fitting used in piping systems to terminate the flow of fluids. It effectively seals the end of a p… – Prevents the entry of foreign materials into the piping system. – Enables easy access for inspection, cleaning, or modification. – Requires proper gasket selection to ensure sealing performance. – Installation must be done with specific torque to prevent leaks.
Flanges – Blind Flange – Slip on Flange – Piping Supplies Inc Piping Supplies offers a wide range of flanges including blind, slip on, lap joint, weld neck, threaded, socket weld, reducing, raised face, pipe, ANS… – High-quality manufacturing with over 50 years of experience – Wide variety of flange types for different applications – Potentially limited availability of custom sizes – Specialty flanges may have longer lead times pipingsuppliesinc.com
Blind Flanges – Lynco Flange & Fitting Blind flanges are pipe fittings designed to block off a pipe or nozzle that’s not in use. They can be made from various materials, including steel and… – Essential for safe operation in oil and gas applications – Available in a wide variety of sizes and materials – May require a reliable supplier for specific needs – Potentially limited availability based on location lyncoflange.com
Blind Flange (BLRF & BLFF Flange), SS Blind Flange – Manufacturers Blind flanges are used to close piping systems and provide easy access to lines once closed. They are manufactured in various materials including stai… – Provides a secure closure for piping systems – Available in a wide range of materials and sizes – Prices may vary frequently – Requires specific standards for different applications www.micronsteel.com
Blind Flanges Manufacturers & Suppliers, Blind Flanges at Low Prices Blind flanges are used to close the end of a vessel or piping system, preventing the flow of liquids or gases. They are available in sizes ranging fro… – Manufactured to various standards including ANSI, BS, DIN, and JIS. – Available in a wide range of sizes and materials for diverse applications. – Not suitable for applications requiring flow through the flange. – Installation requires additional flanges and bolts for assembly. themetalsfactory.com
Blind Flanges Suppliers ANSI / ASME B16.5 BLRF Flanges, SS Blind … Blind Flanges are used to blank off the ends of piping, valves, and pressure vessel openings. They are suitable for high pressure temperature applicat… – Suitable for high pressure and temperature applications – Available in various sizes and materials – No standard inside diameter – Limited to specific applications requiring sealing or blockage
Blind Flange Manufacturers- ANSI/ASME, DIN, EN 1092-1 Flange Blind Flanges are solid disks used to block off a pipeline or to create a stop, featuring boltholes but no center hole. They are used to close the end… – Cost-efficient way of sealing pipes compared to valves. – Allows easy access to a line once sealed. – Cannot be used for applications requiring fluid flow. – Installation may require additional fittings for specific applications. www.steelpipesfactory.com

Frequently Asked Questions (FAQs)

What are blind flanges and why are they used?

Blind flanges are solid discs used to seal the end of a piping system. They prevent the flow of fluids or gases, ensuring safety and system integrity. You’ll find them in various industries, including oil and gas, water treatment, and chemical processing, where they help maintain pressure and prevent leaks.

How do I choose the right blind flange supplier?

When selecting a blind flange supplier, consider their reputation, product range, and quality standards. Look for suppliers with experience in your industry, positive customer reviews, and certifications. It’s also helpful to evaluate their customer service and delivery times to ensure a smooth purchasing experience.

What materials are commonly used for blind flanges?

Blind flanges are typically made from materials like stainless steel, carbon steel, and alloy steel. Depending on your application, you might also find options in PVC, fiberglass, or other materials. It’s important to choose a material that suits the specific conditions, such as temperature and pressure, of your system.

Can I customize blind flanges for my project?

Yes, many suppliers offer customization options for blind flanges. You can specify dimensions, materials, and pressure ratings to meet your project’s requirements. Just communicate your needs clearly with the supplier to ensure they can provide the right product for your application.

What is the typical lead time for ordering blind flanges?

Lead times for blind flanges can vary based on the supplier, material availability, and order size. Generally, standard products may ship within a week, while custom orders could take longer, sometimes up to several weeks. Always check with your supplier for specific timelines to plan your project accordingly.