| 摘要 |
A valve for regulating the flow of gas through a conduit comprises a body 2 having an inlet 4, outlet 6 and an outlet channel 36. The outlet channel 36 has a concave wall acting as a valve seat 26 with at least one aperture 28 therein. A gate 10 is pivotally mounted in the body 2 and has a corresponding convex sealing surface 12 with at least one aperture 14 therein. The gate may be rotated by a solenoid or an electric motor. |
