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The principle function of Maric’s constant flow valves
The active part of the valve is made up of a ring made from flexible material inside a conical body. As the pressure increases the ring is pressed against the body, thus reducing the flow area. If the pressure is reduced Reduced pressure — increased the flow area increases again. The result is constant flow!
Low pressure
The ring has a larger opening at low pressure.
High pressure
At high pressure the ring is pressed against the conical body. The ring’s opening reduces and the flow remains constant.
