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By certification 
SM40
The SM40 spiral steel silo equipment is made by advanced technology and reasonable structure, applicable to the following material:
Galvanized steel, nickel plated steel plate, stainless steel plate, aluminum alloy board, composite panels, ordinary black plate, plastic coated metal plate.
The set of equipment includes the following several parts:
A. Forming machine: the material bending and the preliminary processing forming surface, but at the same time, material bending into required silo diameter round.
B. Bending machine: will cooperate with prepared material bending, seaming and rolling together, and at the same time spiral into a barrel.
C. Decoiling machine: to spread the coil strip on it.
D. Bearing supports: can give the right diameter of silo, lift up the silo body affixed it, bear spiral rising silo body.
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- Technical specifications are as follows:
SM40 spiral steel silo equipment
Steel strip thickness: 2-4mm
Useful width: for 495mm steel strip, about 350mm-370mm
Diameter range: 6-22m
Feed speed: 3-5m/min
http://www.silomachine.com/
