| 摘要 |
The piston pump comprises a cylinder (1) in the lower end of which is a bottom valve (2, 3), which in its upper part has a top section (9) to which a rise pipe (11) is fixed. Inside the rise pipe, a pump rod (12) extends into the pump cylinder (1), and at its end has a piston (13) and an associated valve (16). A component (24) for guiding the pump rod (12) is fitted inside the punp cylinder (1). |
