| 摘要 |
<p>1535887 Valves D FRIEDMAN 14 April 1977 [10 May 1976 7 June 1976 10 Aug 1976 25 Nov 1976 23 Feb 1977] 15626/77 Heading F2V The float arm 22 of a float-operated valve is adjustable locked, by means of a screw 26, in a member 20 which is pivoted on a transverse pin 19 carried by one part 1 of the valve body, the arm 24 being wedged against the pin 19 to position the pin axially; the end 24 of the float arm 22 co-operates with a second valve body part 13 which slides within the part 1 to move a closure member 11 towards and away from a valve seat 9.</p> |
