The one-way valves are radial type compact valves and serve different purposes. The CVD retainer valves allow for the passage of fluid only in one direction and are available with threaded female couplings or by gluing.
The ARV valves for vents allow the air inside the installation to be eliminated by lifting the plugging and ensuring its seal under pressure. These are also available with female coupling by gluing or are threaded.
The FVD bottom valves allow for the passage of fluids being sucked.
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