| 摘要 |
<p>PURPOSE:To provide a reciprocating pump constituted in such a way as not to close a discharge passage even with the generation of dislocation of a poppet valve for performing pumping action. CONSTITUTION:Perforated plate like stoppers (closure preventing mechanism) 30 for impeding the abnormal rise of a poppet valve 20 elevated in the enlarged part 16a of a discharge passage (pipeline connecting joint) 16 so as to perform pumping action is provided in the enlarged part 16a.</p> |
