They are also commonly made from plastic and stainless steel. The most common material for a compression fitting is brass, but you must make sure to buy lead-free brass fittings because it's illegal to use any fitting with lead content in the U.S. What are compression fittings made from?Ĭompression fittings are made from a variety of materials. If you are not reconnecting the tubing to another form of a compression fitting, you will have to cut the sleeve off to remove it from your tubing. If you're just putting the sleeve right back into the fitting body, or you're connecting the same tubing to a new angle-stop configuration, you can simply reuse the sleeve. When you pull the sleeve out of the fitting body, the sleeve will stick to the tubing. To remove the fitting, simply do the same thing in reverse. Use your wrench to tighten the connection.At that point, you will screw the nut onto the fitting body.Put the tubing into the connector on the fitting body, and pull the nut, and then the sleeve, down so that the threads on the nut meet the threads on the fitting body.Slide the sleeve up to the nut on its threaded side.All components work together to create a watertight seal. They consist of three components: the sleeve, nut, and fitting body. How do you install and remove a compression fitting?Ĭompression fittings are simple to install but require a wrench in most cases. The sleeve acts as the seal when the nut compresses it into the fitting body. A compression fitting is comprised of a sleeve, a nut, and the fitting body itself. With the introduction of quick-connect style fittings to the water treatment industry, the compression fitting was used less frequently, but it's still a great fitting that can handle high pressure and give you a reliable, tight seal. What is a compression fitting?Ī compression fitting compresses a component of the fitting into another component, usually some type of tubing, to create a watertight seal between two different lines. John, our Master Water Specialist, offers his knowledge on compression fittings to help you better understand how a compression fitting works and how to install it properly. While these fittings may require more work upon installation, they still provide strong, tight, and reliable seals for any of your water treatment configurations. Compression fittings are the old-school version of the quick-connect fitting.
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