| 摘要 |
<p>A front-discharge fluid end apparatus (10) for a reciprocating pump, the apparatus having an outlet valve (58) which is positioned substantially coaxially with the pump plunger (16) and generally facing a longitudinally outer end thereof, and an inlet valve (24). The outlet valve is held in place by a valve retainer (90) which includes an outlet port (100) and is connectable to an outlet line. For retrofitting prior pump cylinders, a plug assembly (34) is provided for plugging an original outlet valve pocket (22). <IMAGE></p> |
