| 摘要 |
An aspect of the invention provides a supply valve for a fuel burning appliance, the valve comprising: an inlet and an outlet; a plurality of passageways interconnecting the inlet and the outlet; and a plurality of valves each for opening and closing at least one of said passageways. Another aspect of the invention provides a supply valve for a fuel burning appliance, comprising: an inlet and an outlet; a passageway connecting the inlet to the outlet; an outlet valve for opening or closing the outlet; and a plurality of flow control valves provided between the inlet and the outlet valve, the flow control valves each having members with a bore therethough, the cross sectional areas of the bores decreasing in a direction from the inlet to the outlet. <IMAGE> |
