The Barrel serves as the main housing or cylinder where the reciprocating motion of the piston takes place. The barrel is typically a cylindrical tube made of durable materials such as steel or cast iron.Attributes:• Designed to withstand the pressure generated by the reciprocating motion of the piston• Manufactured to precise specifications and are built for durability and reliabilityApplications:The Barrel in a Piston Pump is used to provide a sealed chamber where the piston moves back and forth.