Patent ID: 6471183
Filing Date: 2002-10-29
Classification: F16K

Abstract:
A valve member for a fluid control device, said device including a drive mechanism, comprising:a frame member having at least first and second sides and a flow passage therethrough, said frame member including a first set of attachment members disposed on said first side and a second set of attachment members disposed on said second side; at least first and second shells, said first and second shells having a substantially hemispherical shape, said first shell including first engagement means adapted to engage said first set of attachment members, said second shell including second engagement means adapted to engage said second set of attachment members, said first and second shells being adapted to substantially encapsulate said frame member when said first engagement means engages said first set of attachment members and said second engagement means engages said second set of attachment members; a first sealing surface disposed on at least said first shell; and drive engagement means adapted to engage said drive mechanism to enable rotation of said valve member in said fluid control device.