Graco 25N426 Sealed 4-Ball Lower 1500cc Ultralife Cylinders 90° Rotation

Sealed 4-Ball Lower 1500cc Ultralife Cylinders 90° Rotation – Graco Part 25N426

Compatible Systems

• Graco Ultralife pump rods and cylinders
• Equipment whose Graco parts list calls for part number 25N426
• Systems that match the details in the part description

Graco part number 25N426 is the Graco 25N426 Sealed 4-Ball Lower 1500cc Ultralife Cylinders 90° Rotation, a cylinder. A cylinder is the barrel in which a piston or rod moves; it is a precision wear surface. Ultralife is Graco's coating option for the rods and cylinders of 4-ball lowers such as Viscount and High-Flo.

About the Ultralife pump rods and cylinders

Graco lists uses such as: industrial pumps for paint and coatings circulation. Graco's repair manual advises choosing Ultralife rod and cylinder for most applications, and chrome for fine pigment paint and low-lubricity fluids such as solvents and water.

Details from the Part Description

• Displacement: 1500 cc

What the Terms in the Part Name Mean

• 4-Ball: Lower with four check balls.
• Ultralife Cylinders: Cylinder with Ultralife coating.
• 4-ball lower: Graco displacement pump lower that uses four check balls (a common design for circulating paint systems).
• Ultralife: Graco's rod and cylinder coating option for pump lowers; Graco states it is the default recommendation for most applications (chrome is recommended for fine-pigment paints and low-lubricity fluids such as solvents and water).

Before You Order

• Match the part number exactly: Graco numbers that look alike can be different parts.
• Have your equipment model, and the serial number if available, ready if you contact us for help.

Service Notes

• Follow the pressure relief and lock-out steps in your Graco manual before servicing any pump, valve, applicator or electrical part.

Frequently Asked Questions