Top 10 Lap joint flange factory in the World 2025

Looking for the best lap joint flange factories? Choosing the right one can make all the difference in your project’s success. By comparing top manufacturers, you’ll discover quality, reliability, and cost-effectiveness. Ready to find the perfect partner for your needs? Let’s dive into the top options available!

Lap Joint Flange Manufacturers- Lap Joint Flange & Stub End

Product Details: Lap Joint Flanges are used in conjunction with Lap Joint Stubs and are ideal for carbon or low alloy steel piping systems that require frequent dismantling for inspection and cleaning.

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

Application Scenarios:
– Piping systems requiring frequent dismantling for inspection and cleaning.
– Applications where space is constrained.

Pros:
– Allows for easy disassembly and maintenance.
– Can be made from different materials than the stub end, reducing costs.

Cons:
– Not suitable for areas with severe bending stress.
– Combined cost of stub end and backing flange is higher than comparable welding n…

Lap-Joint Flanges | McMaster-Carr

Product Details: Low-Pressure and High-Pressure Stainless Steel and Steel Unthreaded Pipe Flanges, including 304/304L and 316/316L stainless steel options, designed for various applications with different pressure classes.

Technical Parameters:
– Pressure Class: 150, 300, 600
– Specifications Met: ASTM A182, ASME B16.5, MSS SP-25

Application Scenarios:
– Air, Water, Oil, Natural Gas
– Hydraulic Fluid, Steam, Corrosive Chemicals

Pros:
– Excellent corrosion resistance (especially 316 stainless steel)
– Easy disconnection for cleaning and inspection

Cons:
– Gaskets sold separately
– Requires additional fittings for installation

Lap Joint Flanges Manufacturer, ASME B16.47 / ANSI B16.5 Loose Flange …

Lap Joint Flange

Product Details: A lap joint flange (LJF flange) consists of a stub end and a loose backing flange, allowing for easy dismantling and adjustment of pipe connections. It is particularly useful for applications requiring frequent maintenance.

Technical Parameters:
– Dimensions: ASME/ANSI: DN 1/2” – DN 24”, DIN: DN 15 – DN 2000, EN1092: DN 15 – D…
– Material: Carbon steel (A105, SS400, etc.), Stainless Steel (ASTM A 182, A 240 F…

Application Scenarios:
– Frequent dismantling of pipe connections in various industries.
– Hard-to-adjust pipe connections requiring flexibility.

Pros:
– Facilitates easy assembly and disassembly of piping systems.
– Allows for adjustments without the need to cut or weld pipes.

Cons:
– May not provide as strong a seal as welded flanges.
– Requires additional components (stub end and backing flange) which may increase…

Supply JIS B2220 Lap-Joint Flange Wholesale Factory – FEITING PIPE

Lap Joint Flange | Carlson Company

Product Details: Lap Joint Flanges are designed without a raised face, ideal for low-pressure piping systems requiring frequent disassembly, such as maintenance or repair scenarios. They feature a loose, rotating stub end for easy alignment and assembly.

Technical Parameters:
– Available in various sizes and materials including carbon steel, stainless steel…
– Pressure ratings available from ASME Class 150 to Class 2500.

Application Scenarios:
– HVAC and plumbing systems.
– Process piping in the chemical and petrochemical industries.

Pros:
– Easy installation and removal.
– Flexibility in alignment and the ability to connect dissimilar metals.

Cons:
– Not suitable for high-pressure applications.
– Requires specific stub end fittings for proper use.

JIS B2220 Lap Joint Flange – weldflange.com

Product Details: JIS B2220 Lap Joint Flange manufactured by Hebei Haihao Flange Factory, available in various materials and sizes according to different pressure ratings.

Technical Parameters:
– Pressure ratings: 5K, 10K, 16K, 20K
– Materials: Carbon Steel, Stainless Steel, Alloy Steel

Application Scenarios:
– Oil & Gas development
– Power plant

Pros:
– Wide range of materials available
– Manufactured according to various international standards

Cons:
– Limited nominal sizes for certain pressure ratings
– Specific applications may require custom solutions

Lap Joint/Loose Flange Manufacturers – themetalsfactory.com

Product Details: Lap Joint or Loose Flanges available for sale in sizes 1/2″ to 60″. 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:
– Suitable for piping systems where frequent assembly and disassembly are required…
– Used in various industries for the connection of piping systems to convey water,…

Pros:
– Allows for easy rotation and alignment during installation.
– Manufactured in a wide range of sizes and materials.

Cons:
– Not suitable for high-pressure conditions.
– Requires a stub end which may increase complexity in installation.

Lap Joint Flange, LJ Flange Manufacturer – Landee Flange

Product Details: A lap joint flange is a specialized pipe flange comprising two main components: a stub end and a backing flange, designed for easy assembly and disassembly, typically employed in applications requiring frequent access to the piping system.

Technical Parameters:
– Curved radius at the bore and face to house a lap joint stub-end
– Available in various materials such as ASTM A182 F304, SA105, A182 F316, A105, a…

Application Scenarios:
– Applications requiring frequent dismantling for examination
– Piping systems where easy assembly and disassembly are essential

Pros:
– Facilitates easy assembly and disassembly
– Suitable for applications needing regular maintenance

Cons:
– May not provide as strong a seal as other flange types
– Requires a stub end, which may increase overall system complexity

Lap Joint Flange Suppliers and Factory – China Lap Joint Flange …

Product Details: Lap Joint Flange

Technical Parameters:
– Standard: ASME B16.5, ASME B16.47, BS 4504, SANS 1123
– Material: Carbon Steel, Stainless Steel; Specifications: 1/2″-24″ DN15-600, NPS…

Application Scenarios:
– Used in piping systems where frequent disassembly is required.
– Commonly applied in industries such as oil and gas, water treatment, and chemica…

Pros:
– Allows for easy assembly and disassembly.
– Provides a smooth surface for better sealing.

Cons:
– May require additional components like stub ends.
– Not suitable for high-pressure applications without proper design.

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Comparison Table

Company	Product Details	Pros	Cons	Website
Lap Joint Flange Manufacturers- Lap Joint Flange & Stub End	Lap Joint Flanges are used in conjunction with Lap Joint Stubs and are ideal for carbon or low alloy steel piping systems that require frequent disman…	– Allows for easy disassembly and maintenance. – Can be made from different materials than the stub end, reducing costs.	– Not suitable for areas with severe bending stress. – Combined cost of stub end and backing flange is higher than comparable welding n…	www.steelpipesfactory.com
Lap-Joint Flanges	McMaster-Carr	Low-Pressure and High-Pressure Stainless Steel and Steel Unthreaded Pipe Flanges, including 304/304L and 316/316L stainless steel options, designed fo…	– Excellent corrosion resistance (especially 316 stainless steel) – Easy disconnection for cleaning and inspection	– Gaskets sold separately – Requires additional fittings for installation
Lap Joint Flanges Manufacturer, ASME B16.47 / ANSI B16.5 Loose Flange …				marcelforged.com
Lap Joint Flange	A lap joint flange (LJF flange) consists of a stub end and a loose backing flange, allowing for easy dismantling and adjustment of pipe connections. I…	– Facilitates easy assembly and disassembly of piping systems. – Allows for adjustments without the need to cut or weld pipes.	– May not provide as strong a seal as welded flanges. – Requires additional components (stub end and backing flange) which may increase…	www.znsteelflange.com
Supply JIS B2220 Lap-Joint Flange Wholesale Factory – FEITING PIPE				www.feitingpipe.com
Lap Joint Flange	Carlson Company	Lap Joint Flanges are designed without a raised face, ideal for low-pressure piping systems requiring frequent disassembly, such as maintenance or rep…	– Easy installation and removal. – Flexibility in alignment and the ability to connect dissimilar metals.	– Not suitable for high-pressure applications. – Requires specific stub end fittings for proper use.
JIS B2220 Lap Joint Flange – weldflange.com	JIS B2220 Lap Joint Flange manufactured by Hebei Haihao Flange Factory, available in various materials and sizes according to different pressure ratin…	– Wide range of materials available – Manufactured according to various international standards	– Limited nominal sizes for certain pressure ratings – Specific applications may require custom solutions	www.weldflange.com
Lap Joint/Loose Flange Manufacturers – themetalsfactory.com	Lap Joint or Loose Flanges available for sale in sizes 1/2″ to 60″. Manufactured from various materials including stainless steel, carbon steel, alloy…	– Allows for easy rotation and alignment during installation. – Manufactured in a wide range of sizes and materials.	– Not suitable for high-pressure conditions. – Requires a stub end which may increase complexity in installation.	themetalsfactory.com
Lap Joint Flange, LJ Flange Manufacturer – Landee Flange	A lap joint flange is a specialized pipe flange comprising two main components: a stub end and a backing flange, designed for easy assembly and disass…	– Facilitates easy assembly and disassembly – Suitable for applications needing regular maintenance	– May not provide as strong a seal as other flange types – Requires a stub end, which may increase overall system complexity	www.landeeflange.com
Lap Joint Flange Suppliers and Factory – China Lap Joint Flange …	Lap Joint Flange	– Allows for easy assembly and disassembly. – Provides a smooth surface for better sealing.	– May require additional components like stub ends. – Not suitable for high-pressure applications without proper design.	www.xinqipipeline.com

Frequently Asked Questions (FAQs)

What is a lap joint flange and how is it used?

A lap joint flange is a type of flange that consists of two parts: a stub end and a loose backing flange. It allows for easy alignment and disassembly, making it ideal for applications where frequent maintenance is required. You’ll commonly find lap joint flanges in piping systems, especially in industries like oil and gas, where flexibility and ease of access are important.

What materials are lap joint flanges made from?

Lap joint flanges are typically made from various materials, including stainless steel, carbon steel, and alloy steel. The choice of material depends on the application and the environment in which the flange will be used. Stainless steel is popular for its corrosion resistance, while carbon steel is often chosen for its strength and cost-effectiveness.

How do I choose the right size of lap joint flange?

To choose the right size of lap joint flange, you need to consider the pipe size, pressure rating, and the specific application requirements. It’s essential to match the flange size with the corresponding pipe diameter to ensure a proper fit and seal. Consulting with a manufacturer or a knowledgeable supplier can help you make the best choice.

Can lap joint flanges be used in high-pressure applications?

Lap joint flanges are generally not recommended for high-pressure applications due to their design, which may not provide the same level of sealing as other flange types. However, they can be used in moderate pressure settings where ease of disassembly is a priority. Always consult with an engineer or manufacturer for specific application guidelines.

What are the advantages of using lap joint flanges?

The main advantages of lap joint flanges include easy alignment, quick disassembly, and flexibility in piping systems. They are particularly beneficial in applications requiring frequent maintenance or adjustments. Additionally, their design can accommodate misalignment, making installation simpler in some cases.