operating valve for a pressure cooker, pressure cooker on whose lid an operating valve is inserted and pressure valve a pressure cooker

摘要

operating valve for a pressure cooker, pressure cooker on whose lid an operating valve and pressure valve is inserted for a pressure cooker the invention refers to an operating valve for a pressure cooker, which has a mobile spherical sealing element, a surface in a conical form such as a valve settlement and a compression spring applying an adjustable compression force to the spherical sealing element.