Abstract

A valve assembly may include a valve having an upper valve surface and a lower valve surface. The valve may be movable in a slot in a housing between an open position and a closed position, and the slot may have an upper slot surface and a lower slot surface. The valve assembly may include a biasing member movably positioned within the housing that may be configured to urge the valve toward one of the upper slot surface and the lower slot surface.

IPC Classes  ?

• F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
• F16K 3/18 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
• F16K 3/312 - Line blinds
• F16L 41/06 - Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluidsFittings therefor making use of attaching means embracing the pipe
• F16L 55/105 - Closing devices introduced radially into the pipe or hose