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3-way: used to combine two input currents into one output current, which is a T-shaped connection.

Four ways: It is used to connect four pipes in one place, which is in the shape of a cross.

🔸 Coupling: Pipes with the same diameter are connected to each other with the help of this connection, which has two types of sliders (containing two pipes that are inside each other) and the inner tube is able to move outward according to its length) and it is compressive (settlement between two tubes and prevent leakage).

🔸Nut and barrel: The efficiency and performance of the nut and barrel are the same as the coupling, but unlike the coupling, the nut and barrel can be separated after installation.

Adapter: They are used to convert the ends of male to female and female to male pipes and they have two types, male and female.

Olet: Can be used when the size and dimensions of the pipes do not fit our needs. The types of Olet include welding, socket welding, screw, knee, nip Olet, lateral, sweeping and edged. >

Plug (cap): Closing the end of the pipe is done using a plug or cap, which basically have a male screw.

Cap or (cap): Its function and use is similar to the cap, with the only difference being that the screw is a material.
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🔸Valves: The task of valves is to stop or regulate the flow of fluid inside the pipes. Important types of valves are butterfly, samouri, ball, plate or spherical, one-way, butterfly and diaphragm.

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