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We welcome to the Bore Repair Systems family. Bore Repair Systems products are available at your local Praxair location.

Our many bore repair products are showcased at numerous trade shows and distributor open houses. Please visit this site often for news about upcoming shows and locations.

BOA-450HD Large Diameter, Hi-Amp Borewelder

This bore welder system provides standard components allowing bore welding in bores from 127mm (5.0") to 1.3m (50.0").

Key Benefits

• Pass-through drive system features telescoping torch system with reach of 1.8m (72.0") 
• Lightweight, easy to set up user-friendly drive system...a first in the industry!
• Variable mechanical feed system
• Capable of running wire diameters of .9mm to 1.6mm (.035" to .062")
• Standard welding current of 300 Amps at 100 percent duty cycle.
• Standard stroke of 457mm (16")
• Standard onboard automatic weld-skip
• Utilizes a single, reliable Dayton speed control and feed motor with clutched chain drive.

Includes Standard:

-Custom heavy duty aluminum diamond plate carrying/storage case

-Torch positioner with integrated auto weld skip & variable feed

-Power cord

-Operators manual

-Tool kit

-Stainless steel support tube

-115VAC AC 50/60Hz control box with interface cables

-Adjustable "T" Base with tack plate and offset

-(2) Radial support extensions

-(4) Standard torch extenders 127mm (5.0") long

-(2) Heatsink style torch extenders 102mm & 203mm (4.0" & 8.0") long

-914mm (36.0") torch extension tube

-Auxiliary conduit support tube

-4.5m (15.0') 300 Amp conduit

-Standard torch

-Standard nozzle

-Stub nozzle

-Stub diffuser

-Standard diffuser

-(2) 1.2mm (.045") welding tips

-Universal Euro style MIG feeder connection adaptable to any make / model wire feeder

-One year warranty

Popular optional equipment Includes:

-Outside diameter welding torch

-Face welding torch

-Extended range internal diameter welding components

-Portable boring bar system

Offering bore repair products worldwide, and heavy equipment bore repair services, bore welding, align boring by our sister company in New Hampshire, Connecticut, Massachusetts, Vermont, Maine, Rhode Island and New York. NH CT VT ME RI NY

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Last modified: November 07, 2008