| 摘要 |
A valve assembly may include a valve body having a main body portion and a mounting portion. The main body portion may include a perimeter, a first side and a second side. The first side may define a sealing portion extending proximate to and substantially around the perimeter. The sealing portion may mate with a valve seat. The second side of the main body portion may be convexly curved. The valve body may disposed within a flow path define by one or more conduits. The flow path may have at least a portion with a generally circular cross-section having a radius. The first side may mate with a valve seat. The main body portion may be moveable within the flow path relative to the valve seat between an open position and a closed position.
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