PUMP VALVE ASSEMBLY

PUMP VALVE ASSEMBLY

A barrel pump valve assembly including a piston slidably carried by a piston rod. An O-ring seal for contacting the pump cylinder wall is supported between the piston and a disc attached to the piston rod, and the O-ring and piston move longitudinally toward and away from the disc to close and open...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: DORN C,US
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
BOTTLES, JARS OR SIMILAR CONTAINERS
DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISEPROVIDED FOR
HEATING
LIGHTING
LIQUID HANDLING
MECHANICAL ENGINEERING
OPENING, CLOSING
PERFORMING OPERATIONS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
TRANSPORTING
WEAPONS
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Beschreibung
Zusammenfassung:A barrel pump valve assembly including a piston slidably carried by a piston rod. An O-ring seal for contacting the pump cylinder wall is supported between the piston and a disc attached to the piston rod, and the O-ring and piston move longitudinally toward and away from the disc to close and open the valve, respectively. When the O-ring is away from the disc, fluid can pass between the disc and O-ring and through openings in the piston, and when the O-ring is in contact with the disc, the valve is closed.