Äärikon lühendatud kui äärik, mis on lihtsalt üldine termin. Tavaliselt tähendab see, et kettataolise metallkere perimeetri ümber tehakse mitmed kinnitusavad muude asjade ühendamiseks. Seda asja kasutatakse laialdaselt mehaaniliselt, nii et see tundub kummaline, kui seda nimetatakse a-ksäärik, on selle nimi tuletatud inglise keelest.
Äärik is also called äärik or äärik. The parts connecting the pipe and the pipe are connected to the pipe end. There are holes in the äärik, and the bolts tightly connect the two ääriks. The ääriks are sealed with gaskets. Äärik is a disc-shaped part, the most common in pipeline engineering, ääriks are used in pairs. In pipeline engineering, ääriks are mainly used for connection of pipelines. At the end of the two pipes that need to be connected, install a äärik each. Low-pressure pipes can use wire ääriks, and welding ääriks for pressures above 4 kg. Add a gasket between the two ääriks, and then tighten with bolts.
Erinev surve ääriks on erineva paksusega ja kasutavad erinevaid polte.
Kui veepump ja ventiil on torustikuga ühendatud, valmistatakse nende seadmete mõned osad ka vastavateksäärik shapes, also called äärik connection.
Any connecting parts that are bolted on both sides and closed at the same time are generally called "ääriks". For example, the connection of ventilation pipes, this type of parts can be called "äärik parts".
Keermestatudäärik is a kind of äärik. The connection structure of the threaded äärik is a combination, which is composed of a pair of ääriks, a number of bolts, nuts and a gasket.
