| 摘要 |
PROBLEM TO BE SOLVED: To provide a piston pump having the inside capable of being sufficiently washed without being disassembled. SOLUTION: In this piston pump, a reciprocating piston 30 is provided in a vertically erected cylinder 10, a check valve 50 for preventing back flow of sucked materials sucked from a suction port 23 provided on the lower part of a cylinder 10 is provided, and the sucked materials are sucked and discharged by the reciprocating operation of the piston 30. A releasing mechanism 70 is provided, for dropping and discharging the sucked materials remaining in the cylinder 10 by releasing the check valve 50 after stopping the pump. |
