Home > Products > Auto-Welding > DENOH Oil and Gas pipeline welder,DW28-4H mountain internal welding equipment for mountainous areas, suitable for pipeline diameter of 711mm (28 inches).Automatic internal weldind machine
DENOH Oil and Gas pipeline welder,DW28-4H mountain internal welding equipment for mountainous areas, suitable for pipeline diameter of 711mm (28 inches).Automatic internal weldind machine
- 50 Set / Sets per Month
- Tianjin,Shanghai,Shenzhen,Hongkong
- T/T
- 5 days
- mountain internal welding ,DENOH Oil and Gas pipeline welder,DW28-4H Pipeline welder mountainous areas, suitable for pipeline diameter of 711mm (28 inches).Automatic internal weldind machine
- denoh pipeline welding machine.Automatic mountain internal welding ,DENOH Oil and Gas pipeline welder,DW28-4H Pipeline welder mountainous areas, suitable for pipeline diameter of 711mm (28 inches).Automatic internal weldind machine
- DENOH Mountain Internal Welders ,Oil and Gas pipeline automatic welding machine.DW48/56-8H mountain internal welding equipment for mountainous areas, suitable for pipeline diameter ranging from 1219mm to 1422mm (48 to 56 inches)
- DENOH Oil and Gas pipeline automatic welder Mountain Internal Welders , welding machine.DW48/56-8H mountain internal welding equipment for mountainous areas, suitable for pipeline diameter ranging from 1219mm to 1422mm (48 to 56 inches)
- DENOH 1219mm to 1422mm Oil and Gas pipeline automatic welder Mountain Internal Welders , welding machine.DW48/56-8H mountain internal welding equipment for mountainous areas, suitable for pipeline diameter ranging from (48 to 56 inches)
- DENOH mountainous pipeline welder 1219mm to 1422mm Oil and Gas pipeline automatic welder Mountain Internal Welders , welding machine.DW48/56-8H mountain internal welding equipment for mountainous areas, suitable for pipeline diameter ranging from (48 t
Product Details
Brand Name: | DENOH | Place of Origin: | China | Model Number: | DW28-4H |
Certification: | ISO9001 | After-sales Service Provided: | Engineers available to service machinery overseas | Warranty: | 1 year |
Weight: | 1050kg | Usage: | Pipeline welding,Oil and gas welding | Condition: | New |
Tube Diameter: | 711mm |
Packaging Details
Wooden frame
Product Description
Mountain Flexible welding machine
1. High-torque servo electric drive technology.
The walking power is provided by a lithium battery pack and servo electric drive wheel. The electric drive wheel features fast response, smooth movement, closed-loop control, quiet operation, and energy efficiency. The use of electric drive eliminates the need for compressed air, simplifying on-site equipment configuration. The intelligent lithium battery pack has on-the-go fast charging capability, meeting the requirements of continuous on-site construction.
2. Hydraulic expansion system solves the problem of mismatched joints.
The internal welder adopts hydraulic expansion, with the power source being an electric hydraulic power unit installed on the body. The pressure is adjustable, and hydraulic power can provide a large expansion force. It can make the pipeline end round during alignment operations and perfectly match elliptical pipeline ends, effectively solving the problem of welding defects caused by misalignment in the past.
3. Rapid-response electromagnetic braking system.
The braking system of the internal welder utilizes electromagnetic brakes installed on the drive wheels, combined with external hydraulic brakes for double protection. It achieves instantaneous and rapid response from the braking command to execution, solving the issue of lag in pneumatic brakes in the past. This is particularly advantageous for construction work in mountainous areas with steep slopes, highlighting its safety features.
4、Dramatically reduced machine size to improve maneuverability around corners
The internal welder uses electric-hydraulic drive, eliminating the need for an air storage tank, reducing the length and size of the machine, saving transportation costs, and improving its ability to navigate through bent pipelines as a whole.
5、Remote control operation for safer and more convenient use in mountainous construction.
1. Power Type: Electric-hydraulic
2. Applicable Pipeline Diameter: φ711
3. Number of Welding Units: 4
4. Walking Speed: 0-20m/min
5. Climbing Ability: ≤30°
6. Maximum Bend Angle: 5D horizontal 90° vertical 30°
7. Welding Time: ≤95S
8. Rated Working Pressure: 5-7MPa
9. Weight: 1050kg
10. Overall Dimensions: 4500×750×750mm
11. Applicable Wall Thickness: 10-25mm
12. Adaptation Altitude: ≤4000m
13. Adaptation Temperature: -40℃~65℃
14. Protection Gas Tank Capacity: 14L
15. Expansion Boot Quantity: 10 x 2 pairs
Company Profile
DENOH Seimitsu Electrical Appliances (Beijing) Co., Ltd. was founded in September 2002 and is located at No. 1, West Yin Section, Dushi Road, Dasun Gezhuang Town, Shunyi District, Beijing.
The company has a registered capital of 20 million yuan and has successfully passed ISO14001, IS09001, and IS045001 system certifications; Technological innovation drives the development of enterprises.
The company has successively won the honors of National High tech Enterprise, Zhongguancun High tech Enterprise, Beijing Science and Technology Research and Development Institute, and China Good Technology. In 2020, the company was awarded the "Intellectual Property Pilot Unit" by the Beijing Intellectual Property Bureau, and was awarded the honorary title of "Engine Welding Machine and Intelligent Welding Equipment Technology Center" by the China Petroleum and Petrochemical Engineering Research Association, and obtained a certificate. In 2020, the company established a branch dedicated to research and development and testing. In 2021, it was awarded the honor of "Beijing Specialized, Refined, and New Small and Medium Enterprises". In 2022, it was awarded the honor of "Beijing Specialized and Special New Small Giant Enterprise".
Wechat: 8618910770425
Whatsapp:86 18910770425
Sky: 1286758934@qq.com
Email: denoh@163.com
denoh123@sina.com
Address: Dasungezhuang Town,Shunyi District,Beijing City,China
Contact Us
- DENOH Seimitsu Electric Appliance(Beijing) Co., Ltd
- Contact nameBeth Wang
- Phone86-010-61445155
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