Clamp coupling is a popular and simple method for joining tubing or hoses. It consists of a metal band with holes that can be tightened with a screwdriver. There are various types of clamp couplings, including lever-activated ones, but their strength depends on material tolerances and pressure capabilities.
Clamp coupling is a coupling method that can be used when joining two units of tubing or hose together. It is one of the most popular methods and is also the simplest in design. The clamp coupler is typically used to join two pipes at their ends or to securely join one end of a pipe to the end of a pipe, although these particular coupling devices come in many variations of form and function depending on of the use for which they are used.
Consisting most often of a circular metal band with measured holes that fit the threads of a screw, a clamp coupler is easily tightened with a screw or screwdriver. This means that a clamp fit can be a secure way to connect any two items of any material. A clamp coupling is by far the most commonly used type of coupling unit when a rubber or polyurethane hose has a metal component attached to one end. Such devices are also used for a spacer that connects two pipes together.
Clamp joints come in many shapes, sizes and options. Some are rubber grommets that have tension clamp rings screwed around them used for compression. Others are hinged plastic cylinders with threaded holes that line up on each side so that a screw can be used to tighten the cylinder around the joined materials.
There are also some types of clamp coupling products that have lever activated tensioning devices where the coupler is slid over each end of the pipes it is used to connect and then tightened through the use of a lever. The lever compresses the clamp around the pipes when engaged. These are common in applications where the joint in the piping system is temporary, as the gasket can be broken and removed by disengaging the lever to decompress the clamp.
Any clamp coupling, regardless of the application it is used for, has a certain degree of strength based on pressure and material tolerances. For example, if the clamp coupler is used to connect two hoses together that are used to transfer a chemical such as a catalyst or other acid, the clamp coupler must be able to tolerate that material or it will deteriorate and provide a poor hold. Also, if the material passing through the hose assembly is pressurized, the pressure capability for the clamp coupling must be sufficient to tolerate the amount of pressure within the line to be joined or the gasket may rupture at the joint, causing a leak or spill.
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