AGW Stiffener welder
The AGW – Stiffener welder Automatic Girth Welder (AGW) 3 O’clock welder is a new custom built automatic girth welder that has been built to run on top of the tank shell plate as other AGW’s however is has been designed with a wide range of vertical adjustment (top to bottom) not normally found in a AGW allowing this AGW to weld stiffeners onto the tank shell plate located in most elevations.
Built with a wide range of elevation adjustment with the built-in electric winch that raises and lowers the working/welding platform. This wide range of elevation adjustment and clearance to go over stiffeners allows this AGW to weld tank shell plate stiffeners onto the tank shell plate before or after the plate is erected and welded into its final position.
The girth welder is an automatic welding machine that straddles the tank plate and is used to complete a tanks circumferential weld joints. It’s typically used in a single or double sided configuration. In the single sided configuration one operator is required and welding on one side of the joint occurs. In the double sided configuration two operators are required and welding occurs simultaneously on both sides of the weld joint.
Use of girth welders will offer increases of productivity of by up to 10 times as opposed to manual completion and with the additional benefit of improved weld quality.
The AGW Tank welders are a series of self-propelled Automatic Girth Welders (3 o’clock) welding equipment primarily developed for on-site erection of large storage tanks, silos, blast furnaces and similar cylindrical objects. It is available as a single-side version and a double-side version. Usually it is designed to travel on the top edge of the tank shell. As there are different ways of building tanks, one machine in the series is designed to travel on a rail which is temporarily fixed to the shell or on a stand-alone ring outside the shell. This line of equipment is built to safety European CE safety standards and USA / Canadian safety standards cETLus approved for use in North America.
The operator of each machine (if a full size version) rides in a cabin, where he supervises and controls the welding process with the control panel within easy reach. The cabin, whose floor level under the carriage is variable to suit the height of the plate, is built as a cage to give the operator(s) maximum safety and comfort. For weather protection the cage can be covered by curtains. The cabin of a double-side machine is equipped with ladders our an internal frame climbing system and a joining bridge at the top to facilitate for the operators to climb from one side to the other. The top and bridge has guard rails for the safety of the operators.
Girth Welders Features
- Fully integrated with LINCOLN electric submerged arc welding systems as standard (other welding systems on client’s request).
- Twin SEW motors drive system for reliable and steady weld travel .
- Inverter control for accurate speed adjustment.
- Fully adjustable weld head/ flux belt assembly.
- Precision machined slides ensure correct weld placement.
- Laser pointer to ensure correct tracking of the weld head in the circumferential seam.
- Powerful, reliable and efficient blower type vacuum flux recovery system.
- Flux heater option to keep flux away from moisture.
- Sequence control in “Auto mode” to allow one button startup.
- Integrated control with cooling for reliable operation in high temperature environment.
- Ergonomically positioned for the operator.
The line of tank equipment we supply includes items such as over 10 models of the Automatic Girth Welder (AGW), AGW-LNG, AGW-USA, AGW-LW Light Weight Automatic Girth Welder AGW-1, AGW-11, AGW-P, AGW-P2, AGW-stiffener welder, AGW-Mini, AGW-Sphere welder, AGW-Mig, which are also know as a (3 O’clock welder) Including an AGW built for tank Jacking (tank jack-Up) projects.
We specialize in custom built to order automatic tank welding machines for LNG & flat bottom tanks. We have over multiple Automatic Girth Welder designs (AGW) 3 O’clock Welder designs. EGW (Electrogas Welder), VUP & AVW Automatic Vert Welders, Vert Buggy, Tank Jacking systems, automatic Sphere welders. This line of equipment is built with your choice of USA made Lincoln or Miller welding systems. Our AGW travel is powered by top of the line twin German engineered inverter controlled drive motors.