
Flat / Dished heads

Specification
r1 | > | da | Flat dished heads | |
r1 | < | da | Dished heads | |
r2 | = | 25 – 80 mm or as desired |
||
da | = | Da | = | D |
h1 | ≥ | 3,5 | * | s |
h2 | = | Depth of dishing | ||
h3 | = | h1 | + | h2 |
H | = | h3 | + | s |
(r1: Dishradius | r2: Knuckle radius | da: Outer diameter | h1: Straight flange height | h2: Depth of dishing | h3: total internal head height | s: Wall thickness | V: Volume | Aa: outer surface | Ai: inner surface)
Tolerances
Tolerances for height, scope, out-of-roundness, wall thickness, etc. are in accordance with DIN 28011 – Torispherical heads.
Production possibilities
- <= 4300 mm (Please clarify possibilities in individual cases)
- s <= 18 mm
Machining / technical possibilities
- Centre holes
- Extrusions / necked-in openings
- Inner/outer grinding
- Edge processing according to your specification
- Pickling
- Annealing up to da = 2770 mm
Further machining desired can be checked with technical sales.