Patent ID: 6546947
Filing Date: 2003-04-15
Classification: F16K,F16L,Y10T

Abstract:
A safety system for a fluid conduit comprising:a fluid conduit having first and second ends; a first housing connected to said first end of said fluid conduit, said first housing having first and second openings and an internal cavity, therebetween and a first connection point inside said internal cavity, a second housing connected to said second end of said fluid conduit, said second housing having first and second openings and an internal cavity, therebetween and a second connection point inside said internal cavity; a first valve seat disposed in said first housing and a second valve seat disposed in said second housing, said first and second valve seats positioned a first predetermined distance from each other; a first valve body pivotally attached to said first housing at said first connection point and a second valve body pivotally attached to said second housing at said second connection point, said first and second valve seats disposed between said first and second plurality of valve bodies and said internal cavity of said first housing further comprises a first recess for retaining said first valve body during an open flow condition substantially out of the flow path of said fluid; and valve control means for retaining said first and second valve bodies from said first and second valve seats, respectively, during an open fluid flow condition, and pivotally seating one or more of said first and second valve bodies with said first and second valve seats, respectively, during a fluid conduit failure.