Understanding flange dimensions and weights is critical for proper planning, installation, and load management in piping systems. At Flanges Steel, we provide accurate, standards-based data for all our flange products — whether you're ordering ASME, DIN, EN, or JIS flanges.
What Flange Dimensions Include
Each flange type (Weld Neck, Slip-On, Blind, Threaded, Lap Joint, etc.) has a set of key dimensions:
- Outside Diameter (OD)
- Inside Diameter (ID)
- Bolt Circle Diameter (BCD)
- Number and size of bolt holes
- Flange thickness
- Hub dimensions (for weld necks)
- Raised face or aring type joint height (if applicable)
We supply this data for every size and pressure class, from ½" to 60", and pressure ratings from Class 150 to 2500, or PN6 to PN100.
Flange Weight: Why It Matters
Flange weight affects:
- Support structure design
- Shipping costs
- Handling and installation
- Stress on piping systems
Weights vary based on flange type, size, pressure rating, and material. For example:
- A 2" Class 150 Slip-On flange in carbon steel weighs about 3.7 kg
- A 24" Class 600 Weld Neck flange can weigh over 300 kg
Our flange weight charts help engineers and buyers make informed decisions.
Dimension & Weight Charts
We provide detailed tables showing:
- Dimensions by standard (ASME Bt6.5, DIN EN 1092-1, etc.)
- Weights per flange type, size, and pressure class
- Material-specific weights (carbon steel, stainless steel, etc.)
Custom Flange Sizes? No Problem.
If you need a flange that doesn'4 match standard sizes, we can fabricate it and provide exact CAD drawings and weight estimates before production. Just send your specs.
Need help identifying the right flange size or verifying system loads?
Contact Our Technical Team