One workhorse of the ETA mechanical line is the ETA 2824-2, The 2824 is an automatic winding, twenty-five jewel movement, available in four executions or grades: Standard, Elaborated (improved), Top and Chronometer.
The Breather Valve is a protection device mounted on a nozzle opening on the top of a fixed roof atmospheric storage tank. Its primary purpose is to protect the tank against rupturing or imploding.
We respect your privacy and will never share your details with anyone. The breather and bleeder layer is usually a non-woven synthetic fiber material that comes in a variety of thicknesses and/or weights. Its purpose is to provide a continuous air path for pulling vacuum on the component. When the bag wrinkles against the hard laminate, it traps air and the breather prevents this from happening.