F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 41/00 (2006.01) F16K 41/14 (2006.01)
Patent
CA 2068193
ABSTRACT OF THE DISCLOSURE A metal-to-metal backseating system for fluid flow control valves, comprising a flexible annular backseat element extending radially from a valve stem or closure element to sealingly engage a valve bonnet surface, and an annular backup for the backseat element.
Fmc Corporation
Holliday David G.
Sim & Mcburney
LandOfFree
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