DVAI.fr > Dished Head > Torispherical DIN28011- GRC
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ZI de la petite Motte
77220 TOURNAN EN BRIE
FRANCE
Torispherical DIN28011- GRC
DVAI’S DISHED HEADS’ ASSETS
- Dished heads are manufactured from DVAI’s stainless steel plate stock. Master of quality and deadlines
- Machine polishing possibility
- Head cutting possibility for openings
- Possibility to manufacture your shells with the exact expansion length of your heads for easy assembling
TECHNICAL CHARACTERISTICS NFE 81-102 / DIN 28011
Ri (spherical radius) = De (external diameter)
E = Thickness
Rc (knuckle radius) = 0.1 x De
h2 = Ri - √ ((Ri – rc) ² - (K – rc) ²)
With K = 0.5 x (De- 2 E)
DVAI manufactures your heads by cold press dishing or embossing process, depending on the diameter and the thickness.
Preferential height of straight edges
No value is imposed by the norm.
| E | h1 |
| 1 à 2 | 20 |
|---|---|
| 3 - 4 | 25 |
| 5 - 6 | 40 |
| 8 - 10 | 50 |
| 12 | 55 |
| 15 | 60 |
| 16 | 65 |
| 18 - 20 | 70 |
|
22 |
75 |
| 25 | 80 |
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