The spiral welded pipe production line of Dolco Heavy Industry is a mature unit after years of practice and improvement, which has the advantages of stable forming, high automation, low energy consumption and high production efficiency.

The spiral welded pipe production line of Dolco Heavy Industry is a mature unit after years of practice and improvement, which has the advantages of stable forming, high automation, low energy consumption and high production efficiency.

• Using double pendulum bridge technology, reasonable swing saves space and improves production efficiency.

  
  

• Strict physical and chemical inspection of raw materials to ensure product quality.

  
  

• Adopt advanced welding technology and equipment to ensure stable welding quality.

  
  

• The weld quality is guaranteed by non-destructive testing technology such as ultrasonic and X-ray.

  
  

• After a strict inspection system to ensure that the pipe production process qualified before the production.

  
  

• The accessories of the unit use international well-known brands, such as the United States Lincoln welding machine, Siemens motor, etc., to ensure the stability and reliability of the equipment.

Dolco's spiral welded pipe production line can meet the needs of different industries and provide customers with high quality products and solutions.

Use to

Spiral welded steel pipes are mainly used for transporting oil and natural gas, as well as for transporting pressure pipelines such as water and steam. They are used in petrochemical, thermal pipelines, building structures, and other engineering projects.