10% Torispherical dished end
Code FB4 | DIN28011 | ASME10 | GRC
10% Torispherical dished end
Code FB4 | DIN28011 | ASME10 | GRC
De (outer diameter) | 300÷4000 mm |
S (thickness) | 2÷20 mm |
R | = De |
r | = De / 10 |
h | ≈ 5 * S |
Hi | = Di / 5,17 |
Ht | = Hi + h + S |
Volume [dm3] | ≈ 0,099 * (Di / 100)3 + (Di / 2000)2 * PI * h |
10% Torispherical dished ends with diameter ranging from 300 to 4000 mm and thickness from 2 to 20 mm, cold- formed by dishing and flanging.
Built according to the main international standards (DIN, ASME, NF, etc.) or according to client specifications.
Standard supply conditions:
- with centring hole Ø 16÷25 mm
- square edge
They can be built also without centring hole (but only on ends ≥4 mm thick).
- Stainless steels
- Nickel and nickel alloys
- Titanium
- Aluminium
- Copper
- Preparation of edges (squaring, chamfering)
- Surface finishing (satin-polishing, bright-polishing)
- Washing and degreasing, pickling
- Cutting of holes/apertures
- Extrusion of holes/apertures
- Dimensional inspection
- Ultrasonic thickness measurement
- X-ray welding inspection
- Liquid penetrant testing
- Surface roughness inspection
- ISO 9001
- PED 2014/68 EU Annex 3.1
- EN ISO 3834-2
- AD 2000-Merkblatt HP0