شA pipe wrench is an adjustable tool that is used for tightening or loosening rounded metal objects like pipes and rods. The wrench has two jaws, an upper jaw, called the hook jaw, and a lower jaw, known as the heel jaw. Both of these jaws have jagged teeth, which clinch onto the pipe when turned.
For buyers, there are a range of pipe wrenches available, and they are made from all types of materials. These wrenches come in a range of sizes to fit standard plumbing pipes, and the sizes are measured by the length of their handle, including sizes of 10, 12, 14, 18, 24, 36 and 48 inches. The size and type of pipe wrench that you use, depends on the application you are using for it for. For instance, some are designed specifically for at-home plumbing projects, with smaller jaws that fit standard soft-metal pipes, while others are specialized for industrial applications.
What Types of Pipe Wrenches Are Available
In general, the straight pipe wrench is the most common type available, and it can be used for the majority of plumbing projects. These pipes feature the same two-jaw design, described above, and they are measured in their handle length. For areas with more space, a longer handle enables maximum turning power. More confined spaces, though, require a wrench with a shorter handle.
Additionally, there are pipe wrenches for specialized projects, including end pipe wrenches, offset pipe wrenches and compound leverage pipe wrenches. Both the offset and end pipe wrenches have two jaws that are orientated differently along the handle. This enables them to be used in tighter spaces and near walls. The compound leverage pipe wrench, on the other hand, has a locking head that’s designed to apply more pressure, enabling plumbers to break seized joints more easily.
How to Use a Pipe Wrench
First, choose a wrench that fits the pipe you will be adjusting. Then, using the nut, tighten the jaws together, slowly bringing the hook jaw down. Be sure to leave a small bit of space between the pipe and the back of the wrench mouth. In fact, the only parts of the wrench that should touch the pipe are the top jaw and bottom jaw. If the pipe touches the backside of the wrench, the gripping action can be diminished. Once the wrench is attached to the pipe, turning it in the proper direction will engage the clinching action onto the pipe.
Since these teeth are jagged, they do tend to scar the metal pipe slightly, leaving teeth marks along the surface. That’s why these wrenches shouldn’t be used on decorative pipes that will be visible, like the stem of a showerhead. In these cases, you can avoid scarring decorative pipe by attaching a leather or cloth strap tightly to the pipe under where you’ll be using the wrench. Finally, pipe wrenches are used primarily for soft metals. When they’re used on harder metals, they can actually damage the fittings. For instance, pipe wrenches shouldn’t be used with standard nuts and bolts, as they will quickly damage the fitting.
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Because of its teeth and strong grip, pipe wrenches can leave marks in whatever you’re tightening or loosening, so don’t use a pipe wrench on your nice plumbing fixtures. Save them for when you’re working under the sink. Also, you shouldn’t use a pipe wrench on nuts and bolts. You’ll damage the fastener.
source : https://www.deelat.com/
recommend : آچار شلاقی (Pipe Wrench)
