The GRACO 558949 Meter-Flo® Electric Pump is a rugged, direct-drive gear pump designed for continuous delivery of hydraulic or lubrication oils in demanding industrial environments. It features a cast-iron housing and is intended for use with oil-based fluids, supporting up to 1,000 lubrication points in in-plant machinery.

Key Features:

• Electric Piston Pump (also referenced as gear pump in some sources)
• Meter-Flo, 84 cu in/min (1377 cc/min) @ 1,725 rpm
• Cast-iron housing with match-ground, heat-treated steel gears
• 84 cu in/min (1377 cc/min) @ 1,725 rpm (note: some sources mention up to 245 cu in/min with higher horsepower motor, but 84 cu in/min is specified for this part number)
• Maximum fluid output pressure: 1,500 psi (103 bar); Maximum working pressure: 3,000 psi (207 bar)
• Compatible with oil (SUS 300–3,000), Series Progressive metering devices
• Positive displacement for constant delivery
• Rugged, long-life construction
• Standard SAE 4-bolt mounting for easy installation
• Designed for dependable operation in high-demand applications

Applications:
Direct-drive, smoothly operating pumps ideal for applications requiring continuous delivery of hydraulic or lube oils in in-plant machinery, process oil and natural gas, and contractor/DIY environments.

Installation Notes:

• Using genuine GRACO parts ensures reliability, compatibility, and optimal performance in demanding lubrication systems.
• Ensure proper alignment and secure mounting using the standard SAE 4-bolt pattern
• Use compatible oil within specified SUS range (300–3,000)
• Follow manufacturer guidelines for suction and discharge line sizing
• Regularly inspect for leaks and wear, and maintain as per GRACO recommendations