| 摘要 |
<p>PURPOSE:To facilitate centering work of a control valve, by adjusting a relative position between a valve sppol and a valve sleeve. CONSTITUTION:When a valve sleeve 24 is moved upward in adjustment work of centering of a control valve 13, firstly lock nuts 49 are loosened secondly an adjusting screw 47 is loosened, and then an adjusting screw 48 is screwed to press a tapered hole 46 by the point end of the screw 48 and move the sleeve 24. And then the screw 47 is screwed, after its point end is forcibly pressed and adapted to the hole 46, the nuts 49 are tightened to fix both these screws 47, 48 to suction parts 34 and the sleeve 24 to a valve housing 21. Also in case of moving the sleeve 24 downward, work is performed by similar procedures.</p> |
