84, страница 47
I w Hand Operated. With most manual reels, you have to guide the hose as you wind it back onto the reel. at which the reel rewinds the hose. These reels are a bit more expensive than others, but this safety feature is nice to have. Selecting a Reel. Aside from the retraction method, there are some other tilings to consider when shopping for an air hose reel. First, since most of these reels come with an air hose, you want to choose a hose length and diameter that fits your needs. You'll typically find hose reels with 25' or 50' hoses, but reels with longer hoses are available. You'll also need to decide where you're going to mount the hose reel. Most reels can be adapted to mount on a wall, a ceiling, or the floor. If you do a lot of work off-site, you may want to purchase a portable hose reel like the one shown above. Finally, you'll have to consider your budget. The lower-priced reels will get the job done, but the more expensive reels have upgraded features like beefier bearings, high-quality swivel connectors, heavier steel construction, better hoses, and powder-coated finishes to resist wear. In the end, it all comes down to weighing your needs versus the cost. A Portable. The handle design of this reel allows you to carry it comfortably with one hand. onto the reel as you rewind it to make sure it doesn't get tangled up. If you're going to be using your air hose reel every day, you'll probably want to spend the extra money to get an automatic reel. AUTOMATIC REELS Like the name implies, automatic reels retract the hose automatically, usually through means of a spring-loaded mechanism inside the reel. As you pull the hose out, tension is placed on a torsion spring, while a ratcheting device keeps the reel from rewinding. Then when you're done for the day, you simply give the hose a quick tug to disengage the ratchet, and the spring winds the hose back onto the reel. Most automatic reels also feature a hose guide with rollers that prevents the hose from snagging as you're pulling it out or winding it back onto the reel. A stop attached to the end of the hose prevents it from rewinding too far. The great thing about automatic reels is that they work quickly and smoothly. All you have to do is walk the hose back to the reel while it rewinds. The reel does all the work for you. Safety Reels. There's one downside to automatic reels. If you accidentally let go of the end of the hose as the reel is rewinding, it can whip around wildly, possibly injuring someone or damaging something nearby. To prevent this, some hose reels are equipped with a safety rewind system that controls the speed Automatic. These reels use a spring-loaded mechanism to rewind the air hose. The reel on the right also features a safety rewind system. |
