GRACO 557821 – Miniature Meter-Flo Gear Pump Only, 14 cu in/min

GRACO 557821 – Miniature Meter-Flo Gear Pump Only, 14 cu in/min

GRACO 557821 is the replacement gear pump (pump element only — no motor, gearbox, or reservoir) for the 14 cu in/min Miniature Meter-Flo packages. It is designed for use with Series Progressive or Single-Line Resistive oil lubrication systems.

Nominal displacement of 14 cu in/min (229 cc/min)

Continuous-duty operation at pressures up to 1000 psi (69 bar)

Pump element only — no motor, gearbox, or reservoir

Specifications

Type	Electric Gear Pump (pump element only)
Includes	Gear Pump Only
Output	14 cu in/min (229 cc/min)
Application	In-Plant Machinery
Compatible Material	Oil
Compatible Metering Device	Series Progressive
Fluid Outlet Size	1/4″ (6.35 mm)
Fluid Outlet Thread Type	NPT
Maximum Working Pressure	1000 psi (69 bar, 6.9 MPa)
Oil Viscosity Range	160–15000 cSt
Old Part Number	540-800-430

Reference Manual

L12600 – Miniature Meter-Flo Pump Packages Flyer