Bellows Manufacturing
Megaflexon manufactures bellows using an expanding mandrel (punch forming) method followed by a finish rolling. A rectangular sheet is sheared and rolled into a tube. The tube is welded using an auto flat-bed welder with no filler metal added.
The longitudinal seam weld is then planished back down to the base material thickness. Dye penetrant, X-ray, or air testing is performed at this stage. After testing, the convolutions are punched individually drawing material from the top and bottom of the tube. The drawing process eliminates any possible thinning in the bellows material. Then, re-rolling process and then trimming process will follow.
In addition to this, Megaflexon manufactures bellows using a variety of machines, including hydraulic forming machines and automatic hydraulic forming machines.
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▲ Automatic Longitudinal Seam Welding Machine |
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▲ Hydraulic Mandrel Punch Forming Machine (Max. : 4,500mm) |
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▲ Automatic Hydraulic Forming Machine (Max. 750mm) |
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▲ Hydraulic Forming Machine (Max. : 2,200mm) |
Bellows Materials
■ STAINLESS STEEL-TYPE 300 AUSTENITIC
SERIES
304 / 304L / 304H / 316 / 316L / 316H / 321
/ 321H / 310S
Others : Super Duplex Stainless Steel (UNS
S31803, S32750 & etc.)
■ NICKEL ALLOYS
Alloy 600 / 625 / 625LCF / 800 / 825 /
Monel-400 / HASTELLOY-C (C-276)
■ OTHERS
TITANIUM, HAYNESS 230 & etc.
We have extensive experience in manufacturing and exporting Expansion Joints.
For more information, please visit our website.
For more information, please visit our website.
#78-12, Seungga-ro 76beon-gil, Gimpo-si, Gyeonggi-do, Korea
Tel:82-31-981-2381~3 / Fax:82-31-981-2384
E-mail: sales@megaflexon.com (for Domestic) / info@megaflexon.com (for International)
Tel:82-31-981-2381~3 / Fax:82-31-981-2384
E-mail: sales@megaflexon.com (for Domestic) / info@megaflexon.com (for International)
Copyright 2020. MEGAFLEXON Co., Ltd. All
rights reserved.
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