Figure 5-4.—Equal-pressure welding torch.

Figure 5-3.—Mixing head for the low-pressure torch. Figure 5-4.—Equal-pressure welding torch. A typical equal-pressure welding torch, also called Welding TIPS and MIXERS are designed in several a general-purpose torch, is shown in figure 5-4. The ways, depending on the manufacturer. Some torch de- medium-pressure torch is easier to adjust than the low- signs have a separate mixing head or mixer for each tip pressure torch and, since equal gas pressures are used, size. Other designs have only one mixer for several tip you are less likely to get a flashback. (Flashbacks are sizes. Tips come in various types; some are one-piece covered in chapter 4.) hard-copper tips and others are two-piece tips that 5-3