Name: Graco 100064 Ball
Brand: Graco
SKU: 100064
Price: 7.10 USD
Availability: InStock

Graco 100064 Ball

$7.10

In Stock

Part #: 100064

The Graco 100064 Ball is a precision valve component used to ensure proper sealing and fluid control in Graco pumps and Hydra-Cat systems. Ideal for high-pressure spray units.

Part Number: 100064
Ball Diameter: 5/8 inch
Used In: Hydra-Cat® pumps, Severe-Duty displacement pumps
Function: Maintains fluid seal and prevents backflow
Cross Reference: Bedford 9-630

Genuine OEM Part Fast Shipping (Order by 1 PM CST) Easy Returns

Graco 100064 Ball — Function & Compatibility

Compatible Machines

Based on Graco manuals and reputable parts listings, Graco 100064 Ball is used in the check/valve sections of the following Graco equipment families. Always confirm against your unit’s parts diagram or serial-specific manual before ordering.

Hydra-Cat® proportioning pumps (plural-component proportioners and related pump checks). Verified by Hydra-Cat parts references listing #100064 as the updated ball for the Hydra-Cat seat.
Severe-Duty Displacement Pumps (intake/check valve assemblies using a 5/8 in. ball). Listed as “BALL; 5/8 in. dia.” in the Graco Severe-Duty pump parts list.

Quick Specs

Specification Overview for **Graco 100064 Ball**
Part Number	100064
Component Type	Ball for pump/check-valve sealing (backflow prevention)
Typical Location	Intake/check valve of pump fluid section (varies by assembly)
Ball Diameter	5/8 in. (per Severe-Duty pump parts list)
Common Assemblies	Hydra-Cat proportioners; Severe-Duty displacement pumps
Cross-Reference	Aftermarket equivalent often listed as Bedford 9-630 for 100064

Product Overview

The Graco 100064 Ball is a precision sealing element used inside Graco pump and valve assemblies to regulate fluid flow and maintain a reliable seal in high-pressure spray systems. It is commonly found in plural-component equipment and severe-duty pumps where consistent check-valve performance is critical for even spray patterns and system longevity.

Purpose: Creates a positive seal in the check/valve assembly to prevent backflow and stabilize output.
Where Used: Graco plural-component proportioners and severe-duty displacement pump fluid sections (model-specific).
Best Practice: Replace the seat/spring/seals together if wear is present; verify ball size and material for your exact assembly.

Frequently Asked Questions

It is used on Hydra-Cat proportioners and certain pump checks, and appears as a 5/8 in. ball in Severe-Duty Displacement Pumps. Because configurations vary, confirm with your model’s parts manual or Graco’s parts search using your serial/part list before ordering.

It is listed as a 5/8 inch ball in Graco’s Severe-Duty pump parts documentation. Always match the size specified in your assembly drawing.

Many distributors reference Bedford 9-630 as an aftermarket equivalent to 100064. Use OEM when possible and verify dimensions/materials for your application.

Depressurize the system, follow the model-specific pressure relief procedure, inspect the seat, spring, and seals, and replace as a set if any wear is present. Keep the ball and seat clean to avoid scoring and premature failure.