2019年11月7日星期四

Semi Ellipsoidal Heads Will Be Delivered To Indonesia

Semi Ellipsoidal Heads (also called ellipsoidal head, elliptical dish head)is the end caps on a cylindrical shaped pressure vessel which is made with carbon steel, stainless steel, cladding material and other alloy steel. The elliptical dish head is widely used in industrial storage or pressure vessels such as storage tanks, heat exchangers, towers or other equipments.
Our regular customer from Indonesia is boiler manufacturer and wholesaler. He needs semi ellipsoidal heads to produce deaerator equipment. Due to the ellipsoidal head isn’t standard, our dished head engineers make molds as per technical requirements. The elliptical dish head will be shipped to Surabaya in middle January.
Semi Ellipsoidal Heads Will Be Delivered To Indonesia

Semi Ellipsoidal Heads Will Be Delivered To Indonesia 1

Semi Ellipsoidal Heads Will Be Delivered To Indonesia 2


Specifications Of Semi Ellipsoidal Heads

① Outer diameter: 848 mm
Thickness after forming: 15 mm
Material: SA 516 GR 70
Straight flange: 38 mm
Quantity: 2 pcs
② Outer diameter: 1694 mm
Thickness after forming: 23 mm
Material: SA 516 GR 70
Straight flange: 38 mm
Quantity: 2 pcs
③ Outer diameter: 842 mm
Thickness after forming: 15 mm
Material: SA 516 GR 70
Straight flange: 38 mm
Quantity: 2 pcs
④ Outer diameter: 1674 mm
Thickness after forming: 23 mm
Material: SA 516 GR 70
Straight flange: 38 mm
Quantity: 2 pcs
⑤ Outer diameter: 1216 mm
Thickness after forming: 6 mm
Material: SUS304
Straight flange: 38 mm
Quantity: 1 unit
⑥ Outer diameter: 2116 mm
Thickness after forming: 6 mm
Material: SUS304
Straight flange: 38 mm
Quantity: 2 pcs
Design code: ASME VIII Section, Division 1, 2017
Forming method: Hot stamping and cold spinning

Hot Stamping

Generally, the dished head with a large size and a thick steel plate needs to be hot pressed, and the hot pressing can improve the performance of the material and reduce the deformation resistance. After continuous pressing, the external dimensions of the workpiece should be measured to avoid an increase in the size of the workpiece due to thermal expansion of the mold. If necessary, appropriate measures should be taken to cool the mold, and the mold temperature should generally not exceed 250 °C.

Cold Spinning

During the cold spinning, the steel plate is subjected to severe strain, especially the arc transition zone and the straight flange of the edge of the seal, which are processed by the hoop compressive strain during the spinning process. Cold spinning heads generally require stress relief heat treatment.

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.

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