Patent ID: 7309057
Filing Date: 2007-12-18
Classification: F16J,F16K

Abstract:
1. A guillotine valve, comprising: a body; and two sealing elements mounted oppositely and in mutual contact, said two sealing elements being configured for use in the guillotine valve; wherein the sealing elements are interchangeable, hollow in their entire construction circumference, and produced of elastomer; and wherein each one of the sealing elements includes a pneumatic circumferential watertight chamber entirely filled with air; further comprising an upper sealing system comprising a piece having an elastomeric body, which is mounted on a metallic reinforcement, and grease applying devices directly mounted through the metallic reinforcement piece to be in communication through a channel to cavities at an internal area of the elastomeric sealing piece, wherein the metallic reinforcement piece is fixed to the body of the valve by means of screws.