Flanges
Plate (Flat) Flanges
Plate flanges, also called flat flanges, are simple disc-shaped flanges with a bolt circle and a central bore. They are the most basic and economical flange design, used for low-pressure, non-critical applications primarily in European piping systems. Shree Raj Steels supplies plate flanges to DIN, EN, BS, and JIS standards in carbon steel and stainless steel.
Size: 1/2" – 48" | PN 2.5 – 40Standards: DIN 2573, DIN 2576, EN 1092-1 Type 01

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Full material traceability & mill test certificates.
Technical Specifications
| Size Range | 1/2" – 48" |
|---|---|
| Pressure Rating | PN 2.5, 6, 10, 16, 25, 40 |
| Face | Flat Face (FF) / Raised Face (RF) |
| Manufacturing | Cut from plate / Forged |
Surface Finish / Coating
BareGalvanisedYellow Painted
Available Grades
Carbon Steel
- S235JR
- S235J2
- P250GH
Stainless Steel
- 1.4301 (304)
- 1.4404 (316L)
Applications
Low-Pressure Utility Lines
Water Systems
Ventilation Ducting
European Standard Piping
Key Features
- Most economical flange type
- Simple design
- Easy to manufacture
- Wide availability
Manufacturing Standards
DIN 2573
DIN 2576
EN 1092-1 Type 01
BS 4504
JIS B2220
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