The D/F Pistol Grip Gun and 55 Degree Curved Gun are very robust in design, and are water-cooled inside and out. This means that the contact tip is held by an adapter that is threaded into the water-cooled body, increasing contact tip life up to 14-to-1. The copper gas cup is also threaded into the front water-cooled nozzle assembly, increasing its life just like the current tip. The great increase in consumable life results in an equally great decrease in consumable costs, and the removal of downtime. Both torches can run .035"-1/8" hard and cored wires, and 3/64", 1/16", and 3/32" aluminum, up to 650 amps with a 100% duty cycle.
Durability and Cost Reduction
The D/F Pistol Gun is famous for its durability and toughness as it not only can be used as a hammer when you are not welding, but no matter the duty cycle or amperages, you can grab the torch with your bare hand immediately after welding and it will be cold to the touch. Because of its quality and durability, the D/F Pistol will last years and years vs. months, and will outlast any push-pull gun on the market at 1/2-1/3 of the cost. What does downtime cost your factory? The D/F Pistol Gun will reduce downtime and increase productivity, and consumable costs will be reduced up to 14-to-1.
Another great feature of these torches is the fact that they have a slip-in tip, so if you have a burn back you are not dealing with all the hassle of a threaded tip. The welders love the slip-in tip! With the use of the D/F collet wrench, all you have to do is loosen the collet one half turn to remove the tip in seconds. It is not necessary to remove a gas cup in order to remove a tip. Upon getting a burnback, loosen the tip one half turn, run it a couple inches out of the torch, cut the wire with a wire cutter, put in the new tip, and begin welding again; it is that easy.
Many customers prefer the D/F Machine Specialties Water-Cooled Pistol Grip Gun and 55 Degree Curved Gun because they are tired of purchasing expensive push guns that cannot withstand the amperages, heat, and duty cycles. In comparison to expensive push-pull guns that are very fragile requiring a lot of downtime and maintenance, the D/F guns are about half the cost and last up to 3 times longer. With more than 50 years of welding experience, the D/F Machine Specialties Water-Cooled Semi Automatic MIG Guns have proven themselves continuously throughout their lives, particularly in the manufacturing, fabrication, and welding of steel and aluminum trailers.
Mobility with Push Welding
Mobility is made easy by mounting the Miller, Lincoln, or ESAB Machine on a cart on wheels with the torches spread out every 10-15ft along the trailer or workpiece. Both the Pistol Gun and 55 Degree Curved Gun are very light weight, but if needed they can be mounted to a boom to take the torch and cable weight off the welder. By adding the optional double walled, aluminum heat shield to the Pistol Gun, there is no extra weight added, and the heat and fatigue will be greatly reduced for the welder.
Repair and Maintenance
Maintenance is made easy with the D/F Pistol Gun and 55 Degree Curved Gun because of their heavy duty design and the few parts required to maintain them. If you do not have a maintenance department at your facility, you will be pleased to know that we factory refurbish all D/F torches. D/F torches can usually be repaired for less than 1/3 of the cost of 1 new torch. Just send us the damaged torches for factory refurbishment at your convenience. You will receive a repair evaluation and only charge you $60.00 per torch, plus the parts needed for the repair. We take the torches apart completely, assess the damage, pressure test them, provide the repair estimate to you, reassemble the torches with the needed new parts to factory specs, and re-pressure test to make sure they have been repaired. It is always a good idea for customers to have backup torches in place for emergencies. This is achieved by repairing old, damaged torches.
NCC/HTC 55 Degree Curved MIG Gun
The NCC/HTC 55 degree curved MIG gun is the same gun as the Pistol Gun but allows welders to get into position or reach into areas that cannot be reached with the Pistol Gun. This curved MIG gun is a rugged, all purpose, water-cooled, manual MIG welding torch designed to operate at welding currents up to 600 amperes continuous duty using all types of shielding gases. The DF curved MIG gun is intended for use with all wire feeders that have provision for water cooling, and will handle all types of welding wire from .035" through 1/8" diameter steel wire, and 3/64" through 3/32" aluminum wire. It shares the same consumables as the Pistol Gun, allowing for a flexible and low inventory of replacement parts due to the interchangeability of these models. The trigger switch assembly is the momentary contact type. Also available is the optional button on/off switch. Both switches are positionable where desired on the torch for comfort and balance, and to escape reflective heat. The models NCC-A and HTC-A provide larger Water-Cooled nozzles that accommodate larger gas nozzles 11/16" through 15/16" I.D. for hard, cored, and aluminum large-diameter wire applications that require more gas coverage.
Push Gun Benefits
Feeding aluminum wire through a push only system is very advantageous. The D/F Water-Cooled Pistol Gun easily connects to a Miller, Lincoln, and ESAB power sources and wire feeders, and is a superior and inexpensive alternative to the push pull guns available in today's market. Push-pull torches are also very fragile, difficult to maintain, and have more parts. Because the D/F Pistol Gun can hook up to any manufacturer's wire feeder and power source, large spools of wire can be used reducing expenses, down time, and wear and tear on the torch by the changing of spools, as in a spool gun. A spool gun needs to have the roll changed after every pound of wire is used, compared with the 8 or 15 lb spool on a push-pull system. In tight spaces, the spool may limit access, requiring the operator to use a longer stickout. If the operator is using several pounds of aluminum per day, the few minutes need to change spools can add up. Also, the chance of burnback exists when the end of a spool is reached, so many operators stop when a few turns are left on the spool.
Spool Gun Limitations
Because a spool gun is larger than a push gun, it can sometimes be difficult to get close access to the weld. Also, a spool gun can only hold a 1 pound spool of aluminum wire electrode, so changeovers are frequent. In addition, these small spools typically are not the most economical way to purchase wire. Spool guns are also very fragile and do not last as long.
Push-Pull Gun Limitations
Typically, the greatest disadvantage of a push-pull system is that it requires the most number of components and is the most expensive. Push-pull guns are also very fragile and do not last as long.
Pushing Aluminum Wire
Because push-only guns like D/F Pistol Gun can hook up to any manufacturer's wire feeder and power source, large 500 lb spools of wire can be used reducing expenses, down time, and wear and tear on the torch by the changing of spools as in a spool gun. A spool gun needs to have the roll changed after every pound of wire is used, compared to the large size spools used in a D/F Pistol Gun. Also, the chance of burn-back exists when the end of a spool is reached, so many operators stop when a few turns are left on the spool.
Push Welding vs. Push-Pull Welding
A push gun also has advantages over a push-pull gun for many reasons. Typically, the greatest disadvantage of moving wire over long distances with a push-pull system is that it requires the most number of components and is the most expensive. It is very easy to mount a D/F Pistol Gun on a boom system to take all of the weight off of the gun. By mounting the wire feeder and power source on a 4-wheel cart, you can now travel great distances very easily. Push-pull guns are also very fragile and do not last as long (months vs. years). Push-pull guns are 2-3 times more expensive than the D/F Pistol. They only last up to 9 months on average, and you either have to replace the torch or rebuild by installing a new motor costing as much as $400-plus. There is no need for an expensive tip holder/gas diffuser in a D/F Pistol Gun. The copper nozzle or gas cup is threaded into the front water-cooled barrel of the gun, resulting in nozzles lasting months instead of days. Lastly but most importantly, because the D/F Pistol uses a 4" slip-in contact tip that is recessed in the water-cooling, not only is the arc stability greatly increased, the tip life is increased 14-1, and there is built-in wire straightening. If the operator is using several pounds of aluminum per day, the few minutes need to change spools or replace motors can add up.