BUTTERFLY VALVE COMBINED WITH CHECK VALVE
First Claim
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1. A combination valve comprising:
- a butterfly valve being mounted to pivot within a valve housing, and to control the area of a flow path within said valve housing, said butterfly valve being driven to pivot by an actuator; and
a check valve mounted at an outlet end of said valve housing.
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Abstract
A combination valve comprises a butterfly valve mounted to pivot within a valve housing, and to control the area of a flow path within the valve housing. The butterfly valve is provided with an actuator to pivot the valve. A check valve is mounted at an outlet end of the valve housing.
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Citations
6 Claims
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1. A combination valve comprising:
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a butterfly valve being mounted to pivot within a valve housing, and to control the area of a flow path within said valve housing, said butterfly valve being driven to pivot by an actuator; and a check valve mounted at an outlet end of said valve housing. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification