| Customization: | Available |
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| Cooling Way: | Air Cooling |
| Control: | Semi-Automatic |
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WINCOO Engineering offers the Automatic Girth Welder for tank fabrication applications.Unlike current girth welders on the market,the NSHW series comes standard with a Dual Drive System.This self-propelled submerged arc welding system can reduce field storage tank welding time up to 40%.Weld defects are greatly reduced,saving tank erection costs.The Girth Welder is applicable for top down or bottom up construction single or double wall storage tanks for inside and outside welding.There are four standard units,however our design allows us to offer custom built units for non-standard application.
For the tank welding machine, we has been sold more than 20 countries in more than 1000 projects sites.We have confidence for the machine quality and after sale service. We can provide single side, double side crude oil, LNG tank, fuel tank, water tank horizontal seam, vertical seam and bottom plate/corner welding machine.In Middle East, we have sold to UAE, Saudi Arabia, Oman,Bahrain, Kuwait. In Africa, we have sold machine to Cameron, Sudan, Egypt, Senegal, Nigeria,Zambia,Ethiopia,Senegal,etc. We have sold to Vietnam,Indonesia,Malaysia,Philippines,Singapore, Mexico,Mongolia, Russia,etc.
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I. Welding Travelling Rack
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1
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Retractable welding travelling frame adopts fire retardant and rain proof layout, closed wind proof and rain proof structure,inside and outside steel pipe column, ladder climbing and pumping section integral adjustment design
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2
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Welding travelling frame adopts four column structures made of thick square steel tubes, and the connection of the pumping nodes is safe and reliable without gaps, which ensures the rigidity of the whole frame and the stability of welding travelling
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3
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The distance between the cross beam of the travelling wheel and the frame column can be adjusted to ensure that the frame is suitable for the welding conditions of the tank with a diameter of more than 5m
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II. Rack drive system
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1
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Drive motor AC dual drive motor
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2
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Small diameter travelling roller
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3
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Guide wheel
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Equipped with telescopic adjustor to adjust the compression force or distance
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4
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Frame speed adjustment range
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50-2900 mm/min, with quick reverse function
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5
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Speed display method
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LED digital display, welding speed can be preset
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6
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Mitsubishi frequency converter
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III. Flux vacuum recycling and support system
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1
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Voltage
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AC220V 50Hz
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2
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Rope Length
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20 m
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3
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Safety limit travel switch
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YES
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4
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Flux primary separator tank
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50 kg capacity
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IV. Welder main body
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A
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Supporting Lincoln automatic submerged arc welding system in China has dual output characteristics of CC/CV
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1
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Welding power supply
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Lincoln China POWERPLUS 1000HD DC power supply
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2
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Primary voltage
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380v/ 3 phase + 10% 50/60HZ
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3
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Rated current
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DC 1000A
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4
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Temporary load
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100%
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5
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External characteristics
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Cc/cv two characteristics output (descending characteristic / constant voltage characteristic)
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6
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Output current
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200-1200A
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7
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Output voltage
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1000A @ 44V
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B
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Welding head feeder
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Lincoln China RCH-1
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1
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Wire feeding speed
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0.2-3m/min
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2
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Diameter range
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2.4-5mm
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C
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Wire tensioner
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1
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Manual adjustment and straightening device for domestic welding wire
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2
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Single wheel bearing structure (optional paid three rounds)
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D
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Welding wire and spindle
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1
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Domestic matching
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2
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Suitable for welding wire weight
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25kg/ volume
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E
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Wire feeding mode
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1
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Wire drawing mode, the wire feeder is directly installed with the welding torch to ensure stable wire feeding
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V. Adjustment of welding torch
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1
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Up and down adjustment of welding torch
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Cross slider manual wheel type screw thread progressively
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2
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Up and down adjustment range of welding torch
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+ 75mm
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3
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Front and rear adjustment mode of welding torch
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Cross slider manual wheel thread progressive
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4
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Adjustment range before and after welding torch
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+ 50mm
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5
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Welding torch angle adjustment
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Manual wheeled thread adjustment
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6
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Welding torch angle adjustment range
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0° ± 7.5°
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VI. Laser pointer as welding indicator
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VII. A, Welding parameter control
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1
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CC/CV multi feature control function u CC/CV multi feature control function
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2
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Welding current range
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0-1000 A (Digital Display)
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3
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Scratching arc and finish arc control buttons
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4
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Welding current potentiometer adjustment (including wire feed speed regulation)
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5
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Adjustment of welding voltage and potentiometer
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6
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Digital current meter
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0-1000 A
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7
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Digital display voltmeter
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0-60 V
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B, Lincoln China and travelling system control parts
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1
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Complete all control in the rack including power supply, control and adjustment
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2
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AC 220V power control master switch (with indicator)
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3
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Flux recovery control switch (with indicator)
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4
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Interior lighting control switch
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5
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Travelling speed LED digital display table
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0.1 grade
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6
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Travel speed potentiometer setting
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7
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Walk direction switch
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Left, stop, right
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8
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Travelling mode switch
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Independent travelling, welder continuous moving
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9
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Emergency stop button
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Cutting off the power and welding control of the complete welder
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VIII. Connecting cables and hoses inside the rack
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1
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Ensure that the full set of connecting cables and hoses needed in the rack can be provided to meet the best welding conditions
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IX. Safe deposit box
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1
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Completely enclosed power supply distribution control cabinet and welding power storage box, that is, safe box
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2
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The closed storage box is made of section steel and steel plate, which is suitable for on-site rainproof, anti-theft and long-distance transportation
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Welding Process
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SAW
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Model
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MSHW-I
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Plate Thickness
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8 - 45 mm
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Plate Material
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Carbon steel, Stainless Steel
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Groove
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K groove
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Seam Position
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Girth weld
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Min Tank Diameter
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Φ5.0m
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Plate Width
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1.5 - 2.5 m
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Power Input
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380V/3PH/50HZ
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Erection Method
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Bottom To Top
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Dimension(L x W x H)
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1460mm x 988mm x 2760mm(if design change, will as per new design)
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Gross Weight
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800 kg
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Scope of application
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Suitable for input 380V+10%/3PH/50Hz, Bottom-to-Top and Top-to-Bottom storage tanks
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Adaptation plate thickness
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8 - 45 mm
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Applicable diameter
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Above 5 m
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Adaptive plate width
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Bottom-to-Top: 1.5 m - 3.2 m
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Top-to-Bottom: 1.6 m - 2.6 m
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Suitable for steel grades
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Carbon steel, low alloy steel, high strength steel, stainless steel, etc
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Suitable for groove
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Type K, V and X
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Suitable for welding position
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Girth seam butt joint
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Suitable for welding wire diameter
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Φ 2.4 - 4.0 mm
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Wincoo Engineering Co., Ltd (WINCOO) is engaged in bringing the most suitable solutions/equipments for client, fabricators, EPC/C companies on pipe fabrication, tank construction, pipeline construction,industrial production lines, clean energy project and other industrial field.
We have ability of providing workable solutions to support clients to be awarded with shorter project execution time, fewer man-hour cost and higher efficiency construction/fabrication method and better quality during phase of project bidding.Based client's facility/site space availability, we are able to study/design and present matched configurations on project schedule, quality, cost and productivity to guarantee production pace is accordance with project requirement.To support project execution, we are always ready to work as fireman to give prompt supply on project materials from different consumables, tools, equipments/machines to special merchandise. With flexibility, we are also glad to perform as procurement agent in China to seek required supply resources.
1. Support you to win the project during bidding phase. We can provide your more suitable configurations to help you shorten the constrcution time.
2. We can provide all technical documents and advices to support you for construction procedure clearifications
3. We can calculate the most suitable number of hydraulic jack according to the weight of the tank
4. We can provide your suitable hydraulic jack accessories with much more competetive price from our long time business partner if you need.
5. We can provide site people training service, and operation service or manpower service or as a subcontractor.
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