Floating valve with piston in a simplified and efficient design capable of equipping membrane pressure reducers for respiration air delivery devices

摘要

Floating valve with piston for membrane pressure reducers consisting of a metal housing with a hollow stem and discoid flat head, arranged to be coated with a plastic material mechanically resistant to high pressures and at the same time suitable for functioning as a means of sealing, certain particular arrangements being made for the secure fixing of the said material, everything designed to permit series production and with only two operations. IMAGE