Disc holder (21) will drop out. Carefully remove balance piston (18) so as not to damage sealing ring (16) as it is pulled through seat ring (19).
Disc holder (21) will drop out. Carefully remove balance piston (18) so as not to damage sealing ring (16) as it is pulled through seat ring (19).
阀瓣支架(21)将会脱落。小心拆卸平衡活塞(18)，在将平衡活塞通过密封环(19)拔出时，避免损坏密封环(16)。