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Nonreturn valve comprises a valve disk which is movably installed in the valve housing, with at least one guide surface on its outer circumference, and is provided outside its sealing surface with flow openings
Nonreturn valve comprises a valve disk which is movably installed in the valve housing, with at least one guide surface on its outer circumference, and is provided outside its sealing surface with flow openings
The nonreturn valve (1) comprises a valve disk (18) which is movably installed in the valve housing (2), with at least one guide surface (21) on its outer circumference, and is provided outside its sealing surface (19A) with flow openings (22).
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