Patent ID: 7641175

Claim:
A valve body comprising: top and bottom valve body portions, each said valve body portion being substantially symmetrical about a longitudinal axis; guide means extending from at least one said valve body portion, said guide means comprising at least one longitudinal surface; at least one cylindrical web connecting said top and bottom valve body portions, each said cylindrical web being radially spaced apart from and symmetrically disposed about said longitudinal axis, and each said cylindrical web peripherally enclosing at least one internal space internal to the valve body and seal assembly; at least one fluid passage in said top valve body portion, at least one said fluid passage being spaced apart from said longitudinal axis and facilitating fluid communication between at least one said internal space and space external to the valve body and seal assembly; and a peripheral seal retention groove comprising peripheral portions of said top and bottom valve body portions and at least a portion of one said cylindrical web.