Ellipsoidal Tank Heads(also called elliptical dished head, elliptical end cap) is a part of pressure vessel, which is widely used for storage tank, heat exchanger, tower, reactor, boiler and separation equipment.
Our Uganda customer is the storage tank and vessel manufacturer and wholesaler, our dished head engineer designed technical scheme of ellipsoidal tank heads for him.
Specifications of Ellipsoidal Tank Heads
Normal Diameter: 3000mm
Thickness after forming: 10mm
Straight Flange: 40mm
Design code: GB/T 25198-2010
Surface Treatment: Sand blasting
Ellipsoidal Tank Heads Forming Methods
There are two types forming methods of elliptical dished heads, one is spinning, the maximum diameter is 8000 mm, thickness is 34 mm, the minimum diameter is 2200 mm; the other is stamping, the diameter from 159 mm to 4800 mm.
Carbon steel dished head should avoid cold forming. If cold forming, heat treatment should be carried out after forming. Stainless steel dished head is preferably cold formed. When hot forming is used, solution heat treatment is required. Heat treatment should be carried out according to the corresponding documents.
The welding joint of the carbon steel plate shall be smoothed and subjected to stress-relieving heat treatment, and then pre-pressed into an arch shape.
Pre-pressed arched work blanks shall not have any cracks or other defects, they may be inspected with a magnifying glass. When there is doubt, surface coloring or magnetic particle testing may be performed.
About STRENGTH Equipments
Taian STRENGTH Equipments Co., Ltd is the professional pressure vessel designer, manufacturer and exporter dedicated in supplying finest quality industrial autoclave, storage tank and dish head products and solutions to worldwide customer over 20 years. We have over 80 talented research and development experts, 2 million square meters manufacturing factory and more than 50 sets large-scale manufacturing machines. Our annual industrial autoclave and storage tank output can reach over 300 sets, dished head output can reach over 3000 sets.
STRENGTH Equipments is not only manufacturing high quality industrial autoclaves, storage tanks and dished ends but also providing custom product design, fabrication and after-sale service. ODM, OEM are also available. If you have any questions or inquiries, please fill and submit the following form, we will reply as soon as possible.