Fluid handling – Removable valve head and seat unit – Retained by bonnet or closure
Patent
1991-03-26
1992-05-12
Cohan, Alan
Fluid handling
Removable valve head and seat unit
Retained by bonnet or closure
13762517, 251363, F16K 1106
Patent
active
051118424
ABSTRACT:
A cartridge for a mixer valve comprising a cage, a supporting member for a hard material plate, a hard material plate mounted, operatively stationary, in this supporting member, at least one sealing gasket interposed between the fixed plate and the supporting member, and retaining structure arranged for connecting the fixed plate to the respective supporting member with a gasket compressed therebetween, in such a way as to maintain between these parts a constraint state, wherein the supporting member for the fixed plate is formed by a bottom applied to the cartridge cage, this latter having a seat intended for direct support of the fixed plate, and the retaining structure operating between the cage and the bottom of the cartridge. In this way the compression of the gasket is obtained without applying to the fixed plate any concentrated strain capable of damaging the same. Moreover the bottom may have sealing structure of different shapes and kinds, in order to render the cartridge suitable for application in different kinds of valves.
REFERENCES:
patent: 4610268 (1986-09-01), Knapp
patent: 4633906 (1987-01-01), Tuchman
Cohan Alan
Gevipi A.G.
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