Are you in the market for weld neck flanges and feeling overwhelmed by your options? Understanding the top manufacturers can save you time and money. Discovering the best factories ensures quality and reliability in your projects. Dive in to find out which manufacturers stand out in the industry!

Long Weldneck Flanges & Vessel Components | Federal Flange

Product Details: Long Weldneck Flanges manufactured and stocked in all sizes and pressure classes covered under ASME B16.5. Includes a variety of Vessel components such as Heavy Barrel connections, Variable Body connections, Full Body connections, and Studding outlets.

Technical Parameters:
– Sizes: All sizes
– Pressure Classes: ASME B16.5

Application Scenarios:
– Used in piping systems
– Applicable in various industrial applications

Pros:
– Domestically manufactured
– Wide variety of components available

Cons:
– Limited information on specific materials
– No detailed specifications provided

Texas Flange | Flanges | Steel Flanges | Industrial Pipe Flanges

Product Details: Texas Flange offers a variety of flanges including ANSI, API, and AWWA pipe flanges in carbon steel, stainless steel, alloys, and chrome steel. Styles include Weld Neck, Slip On, Blind, Threaded, Socket Weld, Lap Joint, Orifice Flanges, and custom flanges.

Technical Parameters:
– Sizes from 1/2″ to 203″
– Pressure classes: 75, 125, 150, 175, 250, 300, 350, 400, 600, 900, 1500, 2500, 5…

Application Scenarios:
– Petrochemical industry
– Waterworks

Pros:
– High-quality manufacturing since 1986
– Wide variety of materials and styles available

Cons:
– Limited information on specific applications
– Potentially high lead times for custom orders


Texas Flange | Flanges | Steel Flanges | Industrial Pipe Flanges

Carbon, Steel, & Alloy Pipe Flanges – Coastal Flange, Inc.

Product Details: Carbon, Steel, and Alloy Pipe Flanges available in various types including Slip-on, Weld-neck, Blind, Lap Joint, Threaded, and Socket Weld.

Technical Parameters:
– Sizes: 26″ through 96″
– Standards: ANSI, ASME, AWWA

Application Scenarios:
– Oil & Gas industry
– Waterworks applications

Pros:
– High strength and durability
– Quick lead times

Cons:
– Limited information on specific material properties
– Potentially higher costs for custom flanges


Carbon, Steel, & Alloy Pipe Flanges - Coastal Flange, Inc.

Long Weld Neck Standard Connection Flanges – Texas Flange

Product Details: Long Weld Neck Standard Connection Flanges are precision-manufactured flanges used in various piping applications, available in multiple pressure classes.

Technical Parameters:
– Available in ANSI, API, and AWWA standards
– Sizes range from 1/2″ to 203″

Application Scenarios:
– Used in petrochemical industries
– Applicable in process and waterworks industries

Pros:
– High precision manufacturing since 1986
– Wide range of styles including Weld Neck, Slip On, and custom flanges

Cons:
– Limited information on specific material options
– Potentially higher cost compared to standard flanges


Long Weld Neck Standard Connection Flanges - Texas Flange

Weld Neck Flange Manufacturers – ASME/ANSI WN Flange Factory

Product Details: Welding Neck Flanges are designed to joint a piping system by butt welding, known for their tapered hub and gentle transition from flange thickness to pipe wall thickness. They are used in high pressure piping systems under high or low temperature conditions.

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

Application Scenarios:
– High pressure piping systems
– Applications requiring a strong welded connection

Pros:
– Reduces stress concentration
– Good fatigue and mechanical stress performance

Cons:
– Higher cost compared to slip-on flanges
– Installation requires more time and skill

Weld Neck Flange (WN Flange, WNFF & WNRF Flange) – Manufacturers

Product Details: Weld Neck Flanges, including various types such as WN Flange, WNFF Flange, and WNRF Flange, manufactured as per ASME/ANSI B16.5/B16.47 standards.

Technical Parameters:
– Size: ½” (15 NB) to 48″ (1200NB)
– Class: 150 LBS to 2500 LBS, various DIN and ANSI standards

Application Scenarios:
– Oil Field and Offshore applications
– Power Generation and Natural Gas industries

Pros:
– Provides strong support and stress distribution in high-pressure applications
– Allows undisturbed product flow, reducing turbulence and erosion

Cons:
– Can be expensive compared to other flange types
– Requires precise welding to ensure integrity


Weld Neck Flange (WN Flange, WNFF & WNRF Flange) - Manufacturers

Top 5 Pipe Fittings and Flanges Manufacturers

Product Details: Pipe fittings and flanges including stainless steel flanges, custom & standard industrial flanges, and various types of flanges such as weld neck, blind, and orifice flanges.

Technical Parameters:
– Manufactured using advanced machining centers and CNC lathes.
– Products undergo spectral detection and rigorous testing.

Application Scenarios:
– Used in industrial piping systems for critical connections.
– Applicable in oil and gas sectors, and various industrial projects.

Pros:
– High precision production capabilities.
– Comprehensive testing ensures quality and safety.

Cons:
– Potentially higher costs for custom solutions.
– Lead times may vary based on product specifications.


Top 5 Pipe Fittings and Flanges Manufacturers

Long Weld Neck Flanges Manufacturer, LWN Flange Dimensions

Product Details: Long Weld Neck Flanges (LWN Flange, RFLWN Flange) are specialized flanges used in pressure vessels, tanks, and pipeline systems, available in various sizes and pressure classes.

Technical Parameters:
– Size Range: 1/2″ to 48″
– Pressure Rating: 150# to 2500#

Application Scenarios:
– Offshore and Oil Field applications
– Mechanical Systems and Plumbing

Pros:
– Flawless self-substantiating design
– Available in multiple materials and dimensions

Cons:
– Higher cost compared to standard flanges
– May require specific ordering for custom designs

Weld Neck Flanges Manufacturer – Marcel Piping Projects Supply PVT. LTD.

Product Details: Weld Neck Flanges | WN Flange | WNFF Flange | WNRF Flange

Technical Parameters:
– Size Range: 1/2″ (15 NB) to 48″ (1200NB)
– Class / Pressure Rating: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16,…

Application Scenarios:
– Offshore and Oil Field applications
– Mechanical Systems and Plumbing

Pros:
– Provides a strong and reliable connection
– Suitable for high-pressure and temperature applications

Cons:
– Requires precise welding techniques
– Higher cost compared to other flange types

Long Weld Neck Flange Manufacturer | Nozzle Forging | FCI

Product Details: Long Weld Neck (LWN) connection is the lightest and most economical of FCI standard connections, commonly used in the ASME pressure vessel industry.

Technical Parameters:
– Lightest wall connection in the FCI nozzle family
– Available in various seamless configurations

Application Scenarios:
– Used in high-pressure environments
– Applicable in petrochemical and aerospace industries

Pros:
– Provides leak-free, long-term service
– Cost-effective welding solution

Cons:
– May not be suitable for applications requiring heavier wall connections
– Limited to specific pressure vessel designs


Long Weld Neck Flange Manufacturer | Nozzle Forging | FCI

Related Video

Comparison Table

Company Product Details Pros Cons Website
Long Weldneck Flanges & Vessel Components Federal Flange Long Weldneck Flanges manufactured and stocked in all sizes and pressure classes covered under ASME B16.5. Includes a variety of Vessel components suc… – Domestically manufactured – Wide variety of components available – Limited information on specific materials – No detailed specifications provided
Texas Flange Flanges Steel Flanges Industrial Pipe Flanges Texas Flange offers a variety of flanges including ANSI, API, and AWWA pipe flanges in carbon steel, stainless steel, alloys, and chrome steel. Styles…
Carbon, Steel, & Alloy Pipe Flanges – Coastal Flange, Inc. Carbon, Steel, and Alloy Pipe Flanges available in various types including Slip-on, Weld-neck, Blind, Lap Joint, Threaded, and Socket Weld. – High strength and durability – Quick lead times – Limited information on specific material properties – Potentially higher costs for custom flanges www.coastalflange.com
Long Weld Neck Standard Connection Flanges – Texas Flange Long Weld Neck Standard Connection Flanges are precision-manufactured flanges used in various piping applications, available in multiple pressure clas… – High precision manufacturing since 1986 – Wide range of styles including Weld Neck, Slip On, and custom flanges – Limited information on specific material options – Potentially higher cost compared to standard flanges www.texasflange.com
Weld Neck Flange Manufacturers – ASME/ANSI WN Flange Factory Welding Neck Flanges are designed to joint a piping system by butt welding, known for their tapered hub and gentle transition from flange thickness to… – Reduces stress concentration – Good fatigue and mechanical stress performance – Higher cost compared to slip-on flanges – Installation requires more time and skill www.steelpipesfactory.com
Weld Neck Flange (WN Flange, WNFF & WNRF Flange) – Manufacturers Weld Neck Flanges, including various types such as WN Flange, WNFF Flange, and WNRF Flange, manufactured as per ASME/ANSI B16.5/B16.47 standards. – Provides strong support and stress distribution in high-pressure applications – Allows undisturbed product flow, reducing turbulence and erosion – Can be expensive compared to other flange types – Requires precise welding to ensure integrity www.micronsteel.com
Top 5 Pipe Fittings and Flanges Manufacturers Pipe fittings and flanges including stainless steel flanges, custom & standard industrial flanges, and various types of flanges such as weld neck, bli… – High precision production capabilities. – Comprehensive testing ensures quality and safety. – Potentially higher costs for custom solutions. – Lead times may vary based on product specifications. www.longanflange.com
Long Weld Neck Flanges Manufacturer, LWN Flange Dimensions Long Weld Neck Flanges (LWN Flange, RFLWN Flange) are specialized flanges used in pressure vessels, tanks, and pipeline systems, available in various… – Flawless self-substantiating design – Available in multiple materials and dimensions – Higher cost compared to standard flanges – May require specific ordering for custom designs marcelforged.com
Weld Neck Flanges Manufacturer – Marcel Piping Projects Supply PVT. LTD. Weld Neck Flanges | WN Flange | WNFF Flange | WNRF Flange – Provides a strong and reliable connection – Suitable for high-pressure and temperature applications – Requires precise welding techniques – Higher cost compared to other flange types marcelforged.com
Long Weld Neck Flange Manufacturer Nozzle Forging FCI Long Weld Neck (LWN) connection is the lightest and most economical of FCI standard connections, commonly used in the ASME pressure vessel industry. – Provides leak-free, long-term service – Cost-effective welding solution

Frequently Asked Questions (FAQs)

What are weld neck flanges and why are they used?

Weld neck flanges are circular fittings used to connect pipes, valves, and other equipment in a piping system. They feature a long tapered neck that allows for a smooth transition between the flange and the pipe, providing strength and reducing stress concentrations. You’ll find them commonly used in high-pressure and high-temperature applications due to their durability and reliability.

How do I choose the right manufacturer for weld neck flanges?

When selecting a manufacturer, consider their experience, quality certifications, and production capabilities. Look for factories that use high-quality materials and have a good reputation in the industry. It’s also helpful to read customer reviews and request samples to assess their product quality.

What materials are commonly used for weld neck flanges?

Weld neck flanges are typically made from materials like carbon steel, stainless steel, and alloy steel. The choice of material depends on the application, including factors like temperature, pressure, and the type of fluid being transported. You should always consult with your manufacturer to select the best material for your needs.

What is the typical lead time for weld neck flange production?

Lead times can vary based on the manufacturer and the complexity of your order. Generally, you can expect a lead time of 4 to 12 weeks. It’s a good idea to discuss your timeline with the manufacturer upfront to ensure they can meet your project deadlines.

Are there any industry standards for weld neck flanges?

Yes, weld neck flanges must adhere to various industry standards, such as ASME, ANSI, and API. These standards ensure that the flanges meet specific requirements for dimensions, materials, and performance. You should always verify that your manufacturer complies with these standards to ensure product quality and safety.