What’s a Brass Coupler?

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Brass couplers are corrosion-resistant and non-sparking, making them ideal for joints carrying explosive or flammable materials. They come in various types, including two-piece bolted or single-piece threaded or grooved joints, and are commonly used for pipes and hoses carrying water, oils, and chemicals. One-piece designs can feature screw-in or inside-the-tube nipples, while threaded couplings often include an O-ring for improved sealing.

A brass coupler is any coupling constructed from brass. Brass is an alloy of copper and zinc and is an ideal material for manufacturing joints due to its corrosion resistance characteristics. Being a non-ferrous material, it is also non-sparking and widely used for coupling components that carry explosive or flammable materials. There are a wide variety of types of general purpose brass joints, most of which are either a two-piece design, bolted together, or a single-piece threaded or grooved joint.

Brass is a metal alloy of copper and zinc which has good corrosion and chemical resistance, excellent casting characteristics, and is relatively easy to work with. The absence of iron in the alloy also means that brass items do not spark when struck against each other or by other materials. These characteristics make brass an outstanding choice of material for the manufacture of a wide range of coupling products. The alloy’s resistance to corrosion and chemical attack make it an outstanding choice for joints used on hoses and pipes that carry water, oils and chemicals. Its non-sparking properties allow the brass coupler to be used to join pipes and hoses carrying highly flammable or explosive gases and liquids.

A large selection of brass joint types are available for just as many applications. Most are, however, of a threaded or ridged design in a two or one piece configuration. Threaded couplings are available as a two-piece unit consisting of a male and a female threaded half. These fittings often include an integral O-ring, which improves the sealing integrity offered by the joint. They are also available with a variety of hose insertion features including crimp bushings and knurled nipples for use with hose clamps.

One-piece brass fitting types have a screw-in or inside-the-tube nipple design. Screw-in types can feature an internal female thread for insertion onto external male threads at the ends of pipes or hoses, or back-to-back male threads for use with hose fittings. The straight pipe fitting with nipple is the simplest of the brass fitting family and consists of little more than a ridged pipe with a raised collar in the centre. Both tube ends are pushed into the ends of the two tubes until the tube is against the collar. Both sides are then secured with conventional hose clamps, ensuring a solid, leak-proof joint.




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