Are you in the market for long weld neck flanges? Choosing the right manufacturer can make all the difference in quality and performance. By comparing the top factories, you’ll discover the best options available, ensuring your projects succeed. Dive in to find out which manufacturers stand out!

Long Weld Neck Standard Connection Flanges – Texas Flange

Product Details: Long Weld Neck Standard Connection Flanges are precision-manufactured flanges used in various piping systems, 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 materials including carbon steel, stainless steel, and alloys

Cons:
– Limited to specific flange types
– Potentially higher cost compared to standard flanges


Long Weld Neck Standard Connection Flanges - Texas Flange

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 various 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 custom options
– Potentially higher cost for custom products

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

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

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:
– Used in offshore and oil field applications.
– Applicable in mechanical systems and plumbing.

Pros:
– Flawless self-substantiating design.
– Available in a wide range of materials and dimensions.

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


Long Weld Neck Flanges Manufacturer, LWN Flange Dimensions

Long Weld Necks – Lynco Flange & Fitting

Product Details: Long weld neck connections are the lightest and most economical of standard connections offered where a minimum of reinforcing area is required. Lynco Flange & Fitting offers a wide array of long weld neck products.

Technical Parameters:
– Manufacturing standards set by ASME
– Variety of lengths and dimensions available

Application Scenarios:
– Petrochemical industry
– Power generation

Pros:
– Time savings
– Elimination of errors and testing associated with regular flanges

Cons:
– Limited to specific applications
– May require additional fittings for certain installations


Long Weld Necks - Lynco Flange & Fitting

Long Weld Neck Flange | Carlson Company

Product Details: Long Weld Neck Flange, also known as nozzle flanges or ‘long neck’ flanges, designed for pressure vessel and tank fabrication with a one-piece construction.

Technical Parameters:
– Extended neck for larger weld area
– Manufactured in various materials including carbon steel, stainless steel, and d…

Application Scenarios:
– Oil, Gas & Petrochemical industry
– Power Generation industry

Pros:
– Increased strength and reduced stress concentrations
– Improved fatigue resistance for high-pressure applications

Cons:
– Potentially higher manufacturing costs due to custom sizes
– Limited to specific applications requiring robust connections

Forged Vessel Connectors | FVC – AFG Holdings – AFGlobal

Product Details: Ameriforge offers a range of Vessel-Connecting flanges under the Forged Vessel Connections (FVC) brand, including Long Weldnecks, Heavy Barrel, Full Body, Variable Body, Q Nozzles, and Studding Outlets.

Technical Parameters:
– Nominal bore and heavy wall thickness for Long Weldnecks
– Thicker barrel neck section for Heavy Barrel Neck

Application Scenarios:
– Highly corrosive applications
– General vessel connection needs

Pros:
– Integral reinforcement reduces costs associated with built-up pipe solutions
– Vast inventory and quick turn production capability for short lead-time deliveri…

Cons:
– Potentially higher initial costs for specialized configurations
– Limited customization options for standard products


Forged Vessel Connectors | FVC - AFG Holdings - AFGlobal

Top 5 Pipe Fittings and Flanges Manufacturers – longanflange.com

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:
– Material: Stainless Steel
– Size Range: ½” through 48”

Application Scenarios:
– Industrial piping systems
– Oil and gas sectors

Pros:
– High precision production
– Comprehensive testing and quality assurance

Cons:
– Limited to specific materials
– Potentially higher costs for custom solutions


Top 5 Pipe Fittings and Flanges Manufacturers - longanflange.com

Long Weld Neck Flanges Manufacturers & Suppliers

Product Details: Long Weld Neck Flange

Technical Parameters:
– Size: 1/2″ (DN15) ~ 24″ (DN600)
– Pressure Rating: 150#-2500# (PN6-PN40)

Application Scenarios:
– Used in chemical and petroleum industries
– Applicable in high pressure situations

Pros:
– Provides good fatigue and mechanical stress performance
– Suitable for high pressure applications

Cons:
– Quality can vary based on manufacturing process
– Higher cost compared to slip-on flanges

Related Video

Comparison Table

Company Product Details Pros Cons Website
Long Weld Neck Standard Connection Flanges – Texas Flange Long Weld Neck Standard Connection Flanges are precision-manufactured flanges used in various piping systems, available in multiple pressure classes. – High precision manufacturing since 1986 – Wide range of materials including carbon steel, stainless steel, and alloys – Limited to specific flange types – Potentially higher cost compared to standard flanges www.texasflange.com
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 various Vessel components such as… – Domestically manufactured – Wide variety of components available – Limited information on specific custom options – Potentially higher cost for custom products
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
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…
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 a wide range of materials and dimensions. – Higher cost compared to standard flanges. – May require specific ordering for custom designs. marcelforged.com
Long Weld Necks – Lynco Flange & Fitting Long weld neck connections are the lightest and most economical of standard connections offered where a minimum of reinforcing area is required. Lynco… – Time savings – Elimination of errors and testing associated with regular flanges – Limited to specific applications – May require additional fittings for certain installations lyncoflange.com
Long Weld Neck Flange Carlson Company Long Weld Neck Flange, also known as nozzle flanges or ‘long neck’ flanges, designed for pressure vessel and tank fabrication with a one-piece constru… – Increased strength and reduced stress concentrations – Improved fatigue resistance for high-pressure applications – Potentially higher manufacturing costs due to custom sizes – Limited to specific applications requiring robust connections
Forged Vessel Connectors FVC – AFG Holdings – AFGlobal Ameriforge offers a range of Vessel-Connecting flanges under the Forged Vessel Connections (FVC) brand, including Long Weldnecks, Heavy Barrel, Full B… – Integral reinforcement reduces costs associated with built-up pipe solutions – Vast inventory and quick turn production capability for short lead-ti… – Potentially higher initial costs for specialized configurations – Limited customization options for standard products
Top 5 Pipe Fittings and Flanges Manufacturers – longanflange.com 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 – Comprehensive testing and quality assurance – Limited to specific materials – Potentially higher costs for custom solutions www.longanflange.com
Long Weld Neck Flanges Manufacturers & Suppliers Long Weld Neck Flange – Provides good fatigue and mechanical stress performance – Suitable for high pressure applications – Quality can vary based on manufacturing process – Higher cost compared to slip-on flanges www.steelpipesfactory.com

Frequently Asked Questions (FAQs)

What is a long weld neck flange?

A long weld neck flange is a type of flange that features a long tapered neck, which provides a smooth transition between the pipe and the flange. This design helps to reduce stress concentrations and is ideal for high-pressure applications.

Why choose a long weld neck flange over other types?

You might choose a long weld neck flange for its superior strength and ability to handle high-pressure and temperature conditions. Its design also allows for easy alignment and welding, making it a popular choice in critical applications.

What materials are commonly used for long weld neck flanges?

Long weld neck flanges are typically made from materials like carbon steel, stainless steel, and alloy steel. The choice of material depends on the specific application, including factors like temperature, pressure, and corrosion resistance.

How do I select the right manufacturer for long weld neck flanges?

When selecting a manufacturer, consider their experience, quality certifications, and customer reviews. It’s also important to check if they offer customization options and have a reliable supply chain to meet your needs.

What quality standards should long weld neck flanges meet?

You should ensure that long weld neck flanges meet industry standards such as ASTM, ASME, or API. These standards ensure that the flanges are manufactured to specific quality and performance criteria, ensuring safety and reliability in your applications.