Fluid handling – Removable valve head and seat unit – Retained by bonnet or closure
Patent
1979-12-26
1981-12-22
Michalsky, Gerald A.
Fluid handling
Removable valve head and seat unit
Retained by bonnet or closure
137356, 251269, 251305, 251335B, F16K 2700, F16K 132
Patent
active
043065830
ABSTRACT:
The present invention relates to novel remotely dismountable valves comprising a valve body welded to the pipes and having a truncated seat, an outwardly truncated member fitting on said seat, an obturator whose movements may be remotely controlled due to an extension element and a heavy element made fast with the member via a cross-piece presenting an upper surface in the form of a segment of a sphere on which surface the likewise spherical surface of the lower face of said heavy element abuts.
Michalsky Gerald A.
Societe Generale Pour Les Techniques Nouvelles S.G.N.
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