Caps & Heads / HEAD-E
Ellipsoidal Head (2:1)
2:1 elliptical geometry head providing efficient stress distribution for pressure vessels.
Technical Specifications
Pressure Class
150# - 2500#
Temperature Range
-196°C to +815°C
Size Range
1/2" - 48"
Materials
SA516 Gr70/Gr60, 304/L, 316/L, Inconel 625, A387 Gr11
Standards
ASME B16.9, ASME VIII Div.1, EN 10028
End / Connection Types
Butt WeldSpecial ConnectionCode Design
Key Features
- 2:1 elliptical geometry
- Optimized stress distribution
- High efficiency
- Lightweight design
- Wide application range
- Standard ratio
Applications
- High-pressure vessels
- Chemical reactors
- Process tanks
- Pressurized storage
- Aerospace
- Special equipment
Design Features
- 2:1 ellipse ratio
- Optimized stress
- Lightweight
- High-temperature capable
- Weld compatible
- Code compliant
Pressure Performance
Pressure Rating
2500#
Temperature Range
-196°C to +815°C
Thickness Standard
4mm - 60mm
Design Code
ASME VIII Div.1
Dimension Table
| size | od | majorAxis | minorAxis | thickness | weight |
|---|---|---|---|---|---|
| 12" | 323.9 | 323.9 | 161.9 | 9.5 | 14.2 |
| 24" | 609.6 | 609.6 | 304.8 | 12.7 | 52.8 |
| 36" | 914.4 | 914.4 | 457.2 | 15.9 | 118.5 |
| 48" | 1219.2 | 1219.2 | 609.6 | 19.0 | 225.3 |
| 60" | 1524.0 | 1524.0 | 762.0 | 22.2 | 395.6 |
| 84" | 2133.6 | 2133.6 | 1066.8 | 28.6 | 865.4 |
Technical Notes
- 012:1 ellipse ratio is standard.
- 02Excellent stress distribution.
- 03Thickness can be optimized.
- 04Delivers high-pressure performance.