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Instantaneous couplings, also known as British instantaneous couplings, are a type of hose coupling primarily used in firefighting for quick and secure connections between hoses or to water sources.
They consist of a male and female part that snap together and are held in place by spring-loaded plungers.
| 1 | Instantaneous couplings facilitate rapid and secure connections of hoses. |
|---|---|
| 2 | The coupling (male and female) snap together, and are held in place by spring-loaded plungers |
| 3 | To disconnect the coupling, both plungers must be retracted, allowing the two halves to separate. |
| 4 | Couplings are typically made of steel, brass, stainless steel, aluminum, or plastic. |