The Speedway 450 has increased water cooling and larger copper conductors, increasing the current carrying capacity to 450amps.
Torch packages include: Flexible Rubber OverBraided cables and hoses, a super flexible soft leather zipper cover, and a starter kit with back caps, a 3.2mm collet, a universal collet body, 3.2mm tungsten electrode and a 1/2″ bore gas cup.
SW450-12DX 450amp Speedway Torch Package with 12.5ft (3.8m) cables and hoses.
SW450-25DX 450amp Speedway Torch Package with 25ft (7.6m) cables and hoses.
To accommodate the extra current capacity, the SW450 has its own range of Heavy Duty parts, which give increased heat sink.
Heavy Duty Collets with a Universal Heavy Duty Collet Body and a range of Gas Cups.
Heavy Duty Collets with a Gas Lens Collet Body and a range of Gas Cups.
Heavy Duty Collets with a Large Diameter Gas Lens and Large Diameter Gas Lens Cups.
The Large Diameter Gas Lens can also be used with a special Ceramic Adaptor, which allows use of a Metal Gas Nozzle.
These items are available individually, or a convenient Accessory Kit is available.
SW450-AK Accessory Kit comprises:
Collets: 1 off each 3/32″ (10N24HD), 1/8″ (10N25HD), 5/32″ (54N20HD).
Collet Body: 1 off Universal Heavy Duty Collet Body (NCB36).
Gas Cups: 1 off each 3/8″ Bore (54N16), 7/16″ Bore (54N15), 1/2″ Bore (54N14).
Gas Lenses: 1 off each 3/32″ (18GL32), 1/8″ (18GL18), 5/32″ (18GL53).
Tungstens: 1 off each 3/32″ (2.4mm), 1/8″ (3.2mm), 5/32″ (4.0mm) x GOLD.