A valve unit for controlling a combustible gas supply

作者： Luca Peron , Gianpiero Turrin , Stefano Zanella

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摘要: A valve unit for controlling the supply of a combustible gas via duct (2) comprises seat (3) in this and first safety shutter (4) associated with seat, electromagnetically controlled actuator means (4a) adapted to control open or close being resilient recall (12) acting on urge it when predetermined condition requiring interception occurs. The second separate distinct modulation (5), coaxial cooperating side axially opposite shutter, respective (17) opening manner independent from seat.

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