Valves including thermally sprayed sealing components

Details Valves including thermally sprayed sealing components Valves including thermally sprayed sealing components

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 3/02 (2006.01) F16K 3/08 (2006.01) F16K 25/00 (2006.01) F16K 47/02 (2006.01)

Patent

CA 2448765

A valve assembly (10) comprising a valve stem (12), an annular bonnet configured to receive the valve stem, a valve disk (14) coupled to one end of the valve stem, a seal (22, 24), and an insert. The seal is disposed adjacent the valve disk (14) and has a top surface and a bottom surface. The top surface includes a first pair of sealing ridges extending upwardly therefrom and the bottom surface includes a second pair of sealing ridges extending downwardly therefrom. The insert (18) includes a recess configured to receive the seal (16) that performs a sealing function and a biasing function. The valve assembly (10) can easily be configured to open in either a clockwise or counterclockwise direction without resort to adapters or other additional pieces by rotating the bonnet/valve stem sub~assembly 90~ relative to the insert.

L'invention concerne un ensemble soupape comprenant une tige de manoeuvre, un chapeau annulaire destiné à recevoir la tige de manoeuvre, un disque de soupape couplé à une extrémité de la tige de manoeuvre, un joint et un insert. Le joint, adjacent au disque de soupape, a une surface supérieure et une surface de base, la surface supérieure présentant une première paire de nervures d'étanchéité s'étendant vers le haut et la surface de base comprend une deuxième paire de nervures d'étanchéité s'étendant vers le bas. L'insert présente un évidement destiné à recevoir le joint qui a une fonction d'étanchéité et une fonction d'inclinaison. L'ensemble soupape est facile à configurer pour s'ouvrir dans le sens des aiguilles d'une montre ou bien dans le sens inverse des aiguilles d'une montre et rend superflu(e) tout adaptateur ou autre pièce additionnelle par la rotation de 90· du sous-ensemble chapeau/tige de soupape par rapport à l'insert.

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