Are you in the market for weld neck flanges but unsure where to start? Comparing the top manufacturers is crucial for ensuring quality and reliability. Discovering the best options can save you time and money. Dive in to find out which factories stand out and make an informed choice!
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 available
– Pressure Classes: All pressure classes under ASME B16.5
Application Scenarios:
– Used in piping systems for connecting pipes
– Applicable in various industrial applications requiring flanges
Pros:
– Domestically manufactured
– Wide variety of components available
Cons:
– Limited information on specific material specifications
– Potentially higher cost compared to imported options
Weld Neck Pipe Flanges – Coastal Flange, Inc.
Product Details: Weld neck pipe flanges attach by welding the pipe to the neck of the flange, transferring stress from the flange to the pipe. They are available in various material grades and sizes, with specifications ranging from 1/2″ to 96″.
Technical Parameters:
– Standard raised face height of 1/16″ for flanges under 400# and 1/4″ for flanges…
– Manufactured in carbon, stainless steel, and alloy materials.
Application Scenarios:
– High-pressure applications.
– Custom engineered flanges per customer requirements.
Pros:
– Reduces stress concentration from the base of the hub.
– Available in stock and ready to ship.
Cons:
– May require specific welding techniques.
– Not suitable for all types of piping systems.
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 Blind
Cons:
– Limited information on specific material properties
– Potentially higher cost compared to standard flanges
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
Weld Neck Flanges Manufacturer – Marcel Piping Projects Supply PVT. LTD.
Product Details: Weld Neck Flanges Manufacturer specializing in ASME B16.47 / ANSI B16.5 Weld Neck Flange dimensions.
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:
– Used in high-pressure and high/low temperature applications.
– Applications in offshore, oil field, shipbuilding, and natural gas industries.
Pros:
– Provides unrestricted inflow of fluid, preventing pressure drops.
– Facilitates smooth distribution of mechanical stress.
Cons:
– Requires precise matching with connecting pipe dimensions.
– Installation may require specialized welding techniques.
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
Weld Neck Flange,Nozzle Flange Manufacturer and Supplier,Hub Flange
Product Details: Weld Neck Flanges are the most popular flange type with a neck extension that has a weld bevel at the end. They are designed to be butt welded directly to the pipe, providing a superior connection.
Technical Parameters:
– Manufacturing standards: ASME B16.5; B16.47A, B
– Pressure rating: 150LB~2500LB
Application Scenarios:
– Boiler pressure vessels
– Petroleum and chemical industries
Pros:
– Provides a strong and reliable connection
– Reduces stress concentrations at the base of the flange
Cons:
– Relatively expensive due to the long neck
– Requires precise welding for effective performance
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, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Application Scenarios:
– Oil Field
– Offshore and Onshore Pipelines
Pros:
– Provides supporting strength and stress distribution.
– 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 Manufacturers – ASME/ANSI WN Flange Factory
Product Details: Weld 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 for high pressure piping systems in 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 reduced stress concentration
Pros:
– Good fatigue and mechanical stress performance
– Higher life expectancy than slip-on flanges
Cons:
– Higher cost compared to slip-on flanges
– Installation requires precise welding
Weld Neck Flanges – Tork Systems, Inc.
Product Details: Weld Neck Flange is a type of flange designed to be permanently joined to a piping system by means of a welded connection. They are identified by their distinctive long-tapered hub which has an increasingly thick pipe wall.
Technical Parameters:
– High-temperature and pressure environments
– 70/30 Copper-Nickel Alloy (Cu-Ni)
Application Scenarios:
– Marine applications
– Naval applications
Pros:
– Highly reliable and strong
– Provides additional reinforcement
Cons:
– Permanent installation may complicate maintenance
– Requires skilled labor for welding
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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 various Vessel components such as… | – Domestically manufactured – Wide variety of components available | – Limited information on specific material specifications – Potentially higher cost compared to imported options |
| Weld Neck Pipe Flanges – Coastal Flange, Inc. | Weld neck pipe flanges attach by welding the pipe to the neck of the flange, transferring stress from the flange to the pipe. They are available in va… | – Reduces stress concentration from the base of the hub. – Available in stock and ready to ship. | – May require specific welding techniques. – Not suitable for all types of piping systems. | 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 Blind | – Limited information on specific material properties – Potentially higher cost compared to standard flanges | www.texasflange.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 |
| Weld Neck Flanges Manufacturer – Marcel Piping Projects Supply PVT. LTD. | Weld Neck Flanges Manufacturer specializing in ASME B16.47 / ANSI B16.5 Weld Neck Flange dimensions. | – Provides unrestricted inflow of fluid, preventing pressure drops. – Facilitates smooth distribution of mechanical stress. | – Requires precise matching with connecting pipe dimensions. – Installation may require specialized welding techniques. | 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 |
| Weld Neck Flange,Nozzle Flange Manufacturer and Supplier,Hub Flange | Weld Neck Flanges are the most popular flange type with a neck extension that has a weld bevel at the end. They are designed to be butt welded directl… | – Provides a strong and reliable connection – Reduces stress concentrations at the base of the flange | – Relatively expensive due to the long neck – Requires precise welding for effective performance | www.ncmflange.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 supporting strength and stress distribution. – 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 |
| Weld Neck Flange Manufacturers – ASME/ANSI WN Flange Factory | Weld Neck Flanges are designed to joint a piping system by butt welding, known for their tapered hub and gentle transition from flange thickness to pi… | – Good fatigue and mechanical stress performance – Higher life expectancy than slip-on flanges | – Higher cost compared to slip-on flanges – Installation requires precise welding | www.steelpipesfactory.com |
| Weld Neck Flanges – Tork Systems, Inc. | Weld Neck Flange is a type of flange designed to be permanently joined to a piping system by means of a welded connection. They are identified by thei… | – Highly reliable and strong – Provides additional reinforcement | – Permanent installation may complicate maintenance – Requires skilled labor for welding | torksystems.com |
Frequently Asked Questions (FAQs)
What is a weld neck flange and why is it used?
A weld neck flange is a type of flange that has a long neck, allowing for a smooth transition between the pipe and the flange. It is commonly used in high-pressure applications because it provides excellent strength and resistance to stress. The neck helps to distribute the load evenly, making it ideal for critical piping systems.
How do I choose the right weld neck flange manufacturer?
When selecting a manufacturer, consider their experience, quality certifications, and customer reviews. Look for a factory that uses high-quality materials and has a reputation for reliability. It’s also helpful to check if they offer customization options to meet your specific needs.
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. Always consult with your manufacturer to select the best material for your project.
What quality standards should a weld neck flange manufacturer meet?
A reputable manufacturer should comply with industry standards such as ASTM, ASME, and ISO certifications. These standards ensure that the flanges meet specific quality and safety requirements. Always ask for documentation to verify that the products meet these standards before making a purchase.
Can I get custom sizes and specifications for weld neck flanges?
Yes, many manufacturers offer custom sizes and specifications to meet your unique requirements. Whether you need a specific diameter, thickness, or material, it’s best to discuss your needs with the manufacturer. They can provide tailored solutions to ensure the flanges fit perfectly in your application.