![]() ![]() What are stainless steel compression fittings? This is because the brass isn’t hard enough for the ferrule to bite into the stainless steel tube. If you do try to use a brass fitting with stainless steel tubing, you will struggle to obtain a proper seal. It is important to bear in mind that brass compression fittings are better suited to use with copper tubing, and that stainless steel fittings are used for stainless steel tubing. It also has a higher tensile strength that makes it more resistant to high pressure. This makes brass significantly more resistant to corrosion. Brass is a copper alloy made with zinc, which gives it added strength and hardness. They are particularly compatible with many industrial fluids. What are brass compression fittings?īrass compression fittings from Parker are suitable for a range of pneumatic and medium-pressure hydraulic applications. ![]() Read on to find out which is best: brass vs stainless steel. This is because they are more sensitive to stress factors. However, they are not as solid as a soldered connection, which means that they may not be suitable for use in an area that is subject to frequent flexing or sudden pressure. This makes them the ideal fitting for high-heat areas, or places requiring potentially flammable sources. Also, if a fitting is needed in an area that may need to be disassembled over time for maintenance, these fittings can be easily separated and re-attached without any damage to the connection.Ĭompression fittings do not need soldering or welding. This makes them quicker and simpler to use, with no requirement for special skills or tools. Parker manufactures a wide variety of compression fittings to suit numerous applications and environments, including Ĭompression fittings totally eliminate the need for soldering or welding within a connection. They offer numerous connections, engineered for a variety of tubing with no need for tube preparation, flaring or soldering. ![]() Parker provides multiple types of compression fittings to suit any application, from industrial air to fluid transfer. The compression fitting will consist of a sleeve, a nut and the fitting body itself, with the sleeve acting as the seal when the nut compresses it into the fitted body. Put simply, a compression fitting compresses a component of one fitting into another to create an airtight seal between two different lines. In this article, we’ll address the question of which is best: brass vs stainless steel compression fittings? What are compression fittings? We can also supply push-in fittings from Legris and Norgren. Often people wrap PTFE round a compression fitting olive to make sure of a water tight seal.At Fluid Controls, we supply many types of compression fittings, from A-Lok and buttweld pipe fittings from Parker, to sanitary pipe fittings from Bürkert, and high-purity fittings from Parker’s Vacuseal range. Generally a nut will need one whole turn after hand tightening. Its often said in the trade to not over tighten a compression fitting, leaving you more thread in the case of a leak and not distorting the olive or fitting. Hold the compression fitting body tightly with a pair of grips and tighten the nut with a spanner. When the pipe has been cut and cleaned, assemble the compression fitting by sliding on the nut and olive at both ends. Pipeslices are an excellent tool for such a job and are great in tight spaces. This exerts pressure on the olive and bites it onto the pipe.Ĭompression fittings work well if the pipe is clean and cut properly. Using a spanner and a pair of grips the nut is tightened. The two surfaces are the body of the fitting (be it a valve, connector or any other type) and the nut. That is why we at Plumberparts have created a simple instruction video for you to follow which you’ll find below.Ĭompression fittings work by the compression of an ‘olive’ between two tapered surfaces and the pipe itself. Many different types of valves, tees, connectors and utilities require compression fittings in order to make them water tight and safe. They are a safe way to connect copper pipe without the use of heat making them popular with DIY’ers. Compression fittings in the world of plumbing are very common. ![]()
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