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Large submerged arc welding machine

Submerged arc automatic welding machine, can be used for carbon steel, low alloy steel, high strength steel parts butt welding, mainly for Φ≥ 300mm circumferential seam welding. This machine has two kinds of power supply characteristics of thick wire and thin wire. The diameter of the welding wire applied by the filament special machine is Φ1.6~Φ2.0, which can achieve lower heat input. Fully welded ball valve body-When the connection body is welded, there are rubber sealing parts near the weld. When the insulating joint flange-fixing sleeve is welded, there are also rubber sealing parts near the weld. In order to prevent rubber parts from scalding during welding, the welding temperature must be controlled, so the low heat input wire submerged arc welding process has significant advantages. Coarse silk special

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Key words:Zirconium,Pump

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Product Description

Submerged arc automatic welding machine, can be used for carbon steel, low alloy steel, high strength steel parts butt welding, mainly for Φ≥ 300mm circumferential seam welding. This machine has two kinds of power supply characteristics of thick wire and thin wire.
The diameter of the welding wire applied by the filament special machine is Φ1.6~Φ2.0, which can achieve lower heat input. Fully welded ball valve body-When the connection body is welded, there are rubber sealing parts near the weld. When the insulating joint flange-fixing sleeve is welded, there are also rubber sealing parts near the weld. In order to prevent rubber parts from scalding during welding, the welding temperature must be controlled, so the low heat input wire submerged arc welding process has significant advantages.
The diameter of welding wire applied by the thick wire special machine is Φ2.5~Φ3.2, which is mainly aimed at flange-short pipe welding of DN≥ 300 insulation joint, short pipe-head welding, and fully welded ball valve connection body-sleeve pipe welding.
The application of submerged arc welding technology has high productivity, the deposition rate is 10 times higher than that of manual arc welding, the weld quality is excellent, the density is good, and the weld appearance is smooth and beautiful. The welding process has a high degree of automation, no requirements for the welding technology of the welder, and the labor intensity of the welder is low.
The workpiece diameter applicable to this special machine is Φ300 ~ Φ2500mm, and the maximum load is 30 tons. For insulated joints, the maximum diameter that can be welded is DN1400. For fully welded ball valves, the maximum diameter that can be welded is 56 ″(DN1400).

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