logo
Quick Order
Sign in
  • Brands
  • Branch Locations
  • Showrooms
  • Promotions
Shop
  • Locations
  • Showrooms
  • Promotions
  • Create an Account
Customer Service
  • Contact Us
  • FAQs
  • Returns
  • Credit Application
  • Billtrust Payments
Corporate
  • About Us
  • Careers
  • Subsidiaries
Divisions
  • Plumbing
  • Fire & Fabrication
  • HVAC
  • Municipal
  • Waterworks
Stay Connected
  • Facebook
  • LinkedIn
  • Instagram
  • Youtube
Don’t miss exclusive updates, expert tips, and special offers. Join our email list and make sure you never miss out!
  • Subscribe Now
  • Newsletter Signup
© Copyright 2025 Etna Supply Company. All Rights Reserved.
  • Privacy Policy
  • Terms of Use
  • Home/
  • Weld Neck Flanges

Weld Neck Flanges

Weld neck flanges ensure strong, reliable connections in high-pressure piping systems.
Carbon Steel Weld Neck Flanges Image

Carbon Steel Weld Neck Flanges

SS Weld Neck Flanges Image

SS Weld Neck Flanges

Nominal Size

Brand

Type

Showing 16 of 44 Results

1 in Stainless Steel 304L Weld Neck Flange Gs

1 in Stainless Steel 304L Weld Neck Flange Gs

PN: 49855

What's the price?

Sign in or Register for Pricing and Inventory

1-1/2 in 150Lb Standard Raised Face Weld Neck Flange

1-1/2 in 150Lb Standard Raised Face Weld Neck Flange

PN: 58391

What's the price?

Sign in or Register for Pricing and Inventory

1-1/2 in 150Lb Standard Raised Face Weld Neck Flange Gs

1-1/2 in 150Lb Standard Raised Face Weld Neck Flange Gs

PN: 18673

What's the price?

Sign in or Register for Pricing and Inventory

1-1/2 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

1-1/2 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

PN: 21682

What's the price?

Sign in or Register for Pricing and Inventory

10 in 150Lb Raised Face Weld Neck Flange

10 in 150Lb Raised Face Weld Neck Flange

PN: 37429

What's the price?

Sign in or Register for Pricing and Inventory

10 in Stainless Steel 304L Raised Face Weld Neck Flange Gs

10 in Stainless Steel 304L Raised Face Weld Neck Flange Gs

PN: 21833

What's the price?

Sign in or Register for Pricing and Inventory

12 in 150Lb Raised Face Weld Neck Flange

12 in 150Lb Raised Face Weld Neck Flange

PN: 37453

What's the price?

Sign in or Register for Pricing and Inventory

12 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

12 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

PN: 401170

What's the price?

Sign in or Register for Pricing and Inventory

12 in Stainless Steel 304L Raised Face Weld Neck Flange Gs

12 in Stainless Steel 304L Raised Face Weld Neck Flange Gs

PN: 21869

What's the price?

Sign in or Register for Pricing and Inventory

14 in 150Lb Raised Face Weld Neck Flange

14 in 150Lb Raised Face Weld Neck Flange

PN: 37504

What's the price?

Sign in or Register for Pricing and Inventory

16 in 150Lb Raised Face Weld Neck Flange

16 in 150Lb Raised Face Weld Neck Flange

PN: 37548

What's the price?

Sign in or Register for Pricing and Inventory

18 in 150Lb Raised Face Weld Neck Flange

18 in 150Lb Raised Face Weld Neck Flange

PN: 37611

What's the price?

Sign in or Register for Pricing and Inventory

2 in 150Lb Raised Face Weld Neck Flange

2 in 150Lb Raised Face Weld Neck Flange

PN: 24413

What's the price?

Sign in or Register for Pricing and Inventory

2 in 150Lb Raised Face Weld Neck Flange Gs

2 in 150Lb Raised Face Weld Neck Flange Gs

PN: 36046

What's the price?

Sign in or Register for Pricing and Inventory

2 in 300Lb Raised Face Weld Neck Flange Gs

2 in 300Lb Raised Face Weld Neck Flange Gs

PN: 73991

What's the price?

Sign in or Register for Pricing and Inventory

2 in 300Lb Standard Raised Face Weld Neck Flange

2 in 300Lb Standard Raised Face Weld Neck Flange

PN: 53678

What's the price?

Sign in or Register for Pricing and Inventory

2 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

2 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

PN: 21026

What's the price?

Sign in or Register for Pricing and Inventory

2 in Stainless Steel 150Lb 316L Weld Neck Flange Gs

2 in Stainless Steel 150Lb 316L Weld Neck Flange Gs

PN: 177266

What's the price?

Sign in or Register for Pricing and Inventory

2-1/2 in 150Lb Flat Face Weld Neck Flange Gs

2-1/2 in 150Lb Flat Face Weld Neck Flange Gs

PN: 11540

What's the price?

Sign in or Register for Pricing and Inventory

2-1/2 in 150Lb Standard Raised Face Weld Neck Flange

2-1/2 in 150Lb Standard Raised Face Weld Neck Flange

PN: 60710

What's the price?

Sign in or Register for Pricing and Inventory

2-1/2 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

2-1/2 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

PN: 454672

What's the price?

Sign in or Register for Pricing and Inventory

2-1/2 in Stainless Steel Sch 10 304L Weld Neck Flange Gs

2-1/2 in Stainless Steel Sch 10 304L Weld Neck Flange Gs

PN: 21736

What's the price?

Sign in or Register for Pricing and Inventory

24 in 150Lb Raised Face Weld Neck Flange

24 in 150Lb Raised Face Weld Neck Flange

PN: 37726

What's the price?

Sign in or Register for Pricing and Inventory

3 in 150Lb Flat Face Weld Neck Flange Gs

3 in 150Lb Flat Face Weld Neck Flange Gs

PN: 8583

What's the price?

Sign in or Register for Pricing and Inventory

3 in 150Lb Raised Face Weld Neck Flange

3 in 150Lb Raised Face Weld Neck Flange

PN: 24436

What's the price?

Sign in or Register for Pricing and Inventory

3 in 300Lb Standard Raised Face Weld Neck Flange

3 in 300Lb Standard Raised Face Weld Neck Flange

PN: 53731

What's the price?

Sign in or Register for Pricing and Inventory

3 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

3 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

PN: 21074

What's the price?

Sign in or Register for Pricing and Inventory

3 in Stainless Steel 304L Weld Neck Flange Gs

3 in Stainless Steel 304L Weld Neck Flange Gs

PN: 68752

What's the price?

Sign in or Register for Pricing and Inventory

4 in 150Lb Raised Face Weld Neck Flange

4 in 150Lb Raised Face Weld Neck Flange

PN: 24464

What's the price?

Sign in or Register for Pricing and Inventory

4 in 150Lb Standard Flat Face Weld Neck Flange

4 in 150Lb Standard Flat Face Weld Neck Flange

PN: 21784

What's the price?

Sign in or Register for Pricing and Inventory

4 in 300Lb Extra Heavy Raised Face Weld Neck Flange

4 in 300Lb Extra Heavy Raised Face Weld Neck Flange

PN: 50449

What's the price?

Sign in or Register for Pricing and Inventory

4 in 300Lb Standard Raised Face Weld Neck Flange

4 in 300Lb Standard Raised Face Weld Neck Flange

PN: 53790

What's the price?

Sign in or Register for Pricing and Inventory

4 in Stainless Steel 304L Raised Face Weld Neck Flange Gs

4 in Stainless Steel 304L Raised Face Weld Neck Flange Gs

PN: 21096

What's the price?

Sign in or Register for Pricing and Inventory

4 in Stainless Steel 316L Weld Neck Flange Gs

4 in Stainless Steel 316L Weld Neck Flange Gs

PN: 92345

What's the price?

Sign in or Register for Pricing and Inventory

5 in 150Lb Raised Face Weld Neck Flange

5 in 150Lb Raised Face Weld Neck Flange

PN: 24481

What's the price?

Sign in or Register for Pricing and Inventory

6 in 150Lb Raised Face Weld Neck Flange

6 in 150Lb Raised Face Weld Neck Flange

PN: 24514

What's the price?

Sign in or Register for Pricing and Inventory

6 in 300Lb Standard Raised Face Weld Neck Flange

6 in 300Lb Standard Raised Face Weld Neck Flange

PN: 53831

What's the price?

Sign in or Register for Pricing and Inventory

6 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

6 in Stainless Steel 150Lb 304L Weld Neck Flange Gs

PN: 21162

What's the price?

Sign in or Register for Pricing and Inventory

6 in Stainless Steel 304L Weld Neck Flange Gs

6 in Stainless Steel 304L Weld Neck Flange Gs

PN: 68805

What's the price?

Sign in or Register for Pricing and Inventory

6 in Stainless Steel 316L Weld Neck Flange Gs

6 in Stainless Steel 316L Weld Neck Flange Gs

PN: 92348

What's the price?

Sign in or Register for Pricing and Inventory

8 in 150Lb Raised Face Weld Neck Flange

8 in 150Lb Raised Face Weld Neck Flange

PN: 24556

What's the price?

Sign in or Register for Pricing and Inventory

8 in 150Lb Standard Flat Face Weld Neck Flange

8 in 150Lb Standard Flat Face Weld Neck Flange

PN: 492497

What's the price?

Sign in or Register for Pricing and Inventory

8 in Stainless Steel 150Lb 316L Weld Neck Flange Gs

8 in Stainless Steel 150Lb 316L Weld Neck Flange Gs

PN: 92349

What's the price?

Sign in or Register for Pricing and Inventory

8 in Stainless Steel 316L Raised Face Weld Neck Flange Gs

8 in Stainless Steel 316L Raised Face Weld Neck Flange Gs

PN: 490219

What's the price?

Sign in or Register for Pricing and Inventory

1 - 44 of 44

Weld neck flanges are essential components in piping systems, designed for high-pressure applications. Featuring a long tapered neck, they provide a strong, reliable connection to pipes, ensuring optimal alignment and stress distribution. Ideal for various industries, these flanges facilitate seamless welding, enhancing durability and integrity in critical installations.