Modular check valves allow free flow in one direction by raising a conical seated poppet valve, while in the opposite direction the fluid can return by means of a small piston piloted by the other line pressure (piloted side).
They are available on single A or B lines, and double A and B lines (see hydraulic symbols).
A pre-opening version is also available (AM3UP1) only with 5 bar spring.
Download Am3up Series Catalogue
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