Improved spring diaphragm for shut-off valves and regulators

摘要

A spring diaphragm for shut-off valves and regulators which comprises a first lower part (2) in the form of a flexible elastic disc which performs the function of a hermetic seal separating the inlet and outlet chambers of the valve and a second upper part (3) of smaller size being part of said first part or connected to said first part which performs the function of a spring.