Depending on the application and materials involved (plastic, metal), the fittings may be reused. They are also compact and shorter in length compared to insert style fittings. Compression style fitting offers good flow characteristics because the interior of the tubing is unencumbered by inserts such as barbs. Compression fittings have been around for decades, and in recent years there has been a surgence towards newer "push-in" or "push to connect" style fittings which are more quickly installed. Compression fittings are manually installed with wrenches and are commonly used in applications involving fluids, air, or certain gases (depending on the application, they are available in various metals or plastics, as well for various certifications). (outer diameter) to create a secure seal. As a general guide only, they may have an intermittent temperature range of -54☌ (-65☏) to +121☌ (+250☏), however at wide temperature ranges the maximum pressure rating drops significantly.Ĭompression fittings use three or four components per fitting to put pressure on the tubing's O.D. Users must ensure tubing is cut clean and square for a proper seal. Brass is a soft material and susceptible to distortion, cracking, cross threading, etc. These fittings include a nut with a built-in sleeve (ferrule), so there’s no need to remove the nut for assembly. Quick-Assembly Brass Compression Tube Fittings for Air and Water. These compression fittings listed are NOT for gas connections or DOT air brake use. These compression tube fittings meet Department of Transportation FMVSS 571 safety standards for air brake lines. Many users can simply use our Acetal (nylon) Push-in Series when attaching to any plastic type tubing as well as flexible copper tubing. Plastic Compression Tube Fittings for Air Lighter in weight than their metal counterparts, these compression fittings are polypropylene. They are largely being replaced with "push-in" style fittings due to the ease of installation (compression fittings can be timely and require extra parts or tools). These compression tube fittings meet Department of Transportation FMVSS 571 safety standards for air brake lines. They can withstand pressures up to 900 psi. Connect these fittings to thick-wall plastic pipe they have thicker, stronger walls than standard-wall fittings, so they can handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. Traditional compression fittings have a separate sleeve, nut and insert, and are sold based on the outside diameter of the air or water tubing they are being used on. Thick-Wall Plastic Pipe Fittings for Water. Brass Compression Fittings For Flexible Copper Tube - 912
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