1. A valve in a fluid supply system, comprising: a valve seat containing a fluid inlet, a fluid outlet and a conical recess having an opening, a tapered surface and a bottom； and a valve membrane comprising a conical portion having a base and an apex, the conical portion being able to fit with an interference fit inside the tapered recess of the valve seat, and the valve membrane is configured to fluidly connect the fluid inlet and the fluid outlet, when the membrane is in a non-deformed state, and fluidly separate the fluid inlet and the fluid outlet when the membrane is in a radially deformed state. The valve according to claim. 1, in which the top of the tapered portion is separated by a slot from the bottom of the tapered recess when the membrane is in an undeformed state； and the top of the valve membrane touches the bottom of the tapered recess when the valve is in a radially deformed state. 3. A valve according to claim 2, wherein the valve membrane comprises a pushed portion such that pushing by an external force towards the pushed portion causes the valve to become radially deformed. The valve of claim 2, wherein the tapered portion is spaced from the tapered recess when the valve membrane is in an undeformed state and the tapered portion touches the tapered recess when the valve membrane is in a radially deformed state. The valve according to claim 1, in which the valve seat contains a rigid m1. Клапан в системе подачи текучей среды, содержащий:клапанное седло, содержащее входное отверстие для текучей среды, выходное отверстие для текучей среды и коническое углубление, имеющее отверстие, поверхность, срезанную на конус, и дно； иклапанную мембрану, содержащую коническую часть, имеющую основание и верхушку, причем коническая часть выполнена с возможностью посадки с натягом, внутрь конического углубления клапанного седла, и клапанная мембрана выполнена с возможностью соединения по текучей среде входного отверстия для текучей среды и выходного отверстия для те
