Please wait while we process your order...

Product successfully added to your cart.
Cart Image

Quantity in Cart: 1

Continue Shopping Shopping Cart
Item removed from Cart
X
 
×

sprayersandparts Logo

Product Image

Graco 102640 Backup Washer

The Graco 102640 Backup Washer is a genuine OEM part that ensures reliable sealing support in high-pressure spray systems. Ideal for maintaining performance and preventing leaks.

  • Part Number: 102640
  • Fits: Graco Viscount & HydraMax Systems
  • Function: Supports O-ring under high pressure
  • Use: Airless sprayers & hydraulic pumps

$22.13
0
Based on 0 reviews
5 ★
0%
4 ★
0%
3 ★
0%
2 ★
0%
1 ★
0%

Detailed Overview of Graco 102640 Backup Washer

The Graco 102640 Backup Washer is a genuine OEM part designed for durability and precision in high-pressure airless sprayer systems. It serves as a secondary seal support, preventing extrusion of primary packing and ensuring consistent performance in demanding spray environments.

Compatible Machines

This washer fits the following Graco equipment:

  • Graco Hydraulic Motor Models: 207-393, 208-918, and 208-270
  • Graco Viscount Series Hydraulic Motors
  • Airless Paint Sprayer Systems using Viscount or HydraMax assemblies
  • Other compatible Graco high-pressure filtration and pump systems

Key Features

OEM Part Number 102640
Function Provides backup sealing support for high-pressure systems
Material High-grade thermoplastic with steel reinforcement
Dimensions Approx. 1.2″ x 0.1″ x 0.1″
Temperature Range -40°C to 250°C
Compatibility Ideal for airless sprayers, hydraulic pumps, and industrial coating systems

Performance & Benefits

  • Ensures longer seal life by reducing O-ring wear
  • Maintains consistent system pressure and prevents leakage
  • Resistant to corrosion, chemicals, and high operating temperatures
  • Reduces downtime and supports extended maintenance intervals

Installation & Maintenance

When installing the Graco 102640 Backup Washer, ensure the system is depressurised and the sealing surfaces are clean. Align it precisely in the pump gland and apply light grease for smoother installation. Regular inspection every 500 hours of use helps maintain optimal performance and seal longevity.

Applications

  • Airless paint sprayers and coating systems
  • Industrial finishing lines and high-pressure pumps
  • Hydraulic and lubrication circuits
  • Automotive, aerospace, and machinery coating operations

Frequently Asked Questions

The Backup Washer supports the main O-ring seal, preventing extrusion under high pressure and ensuring leak-free operation.

Yes, Graco 102640 is a genuine OEM component designed for compatibility with specific Graco sprayer systems.

It is recommended to inspect and replace it every 500 operational hours or whenever signs of wear, leakage, or distortion appear.

Subscribe to our newsletter to get exclusive discounts and new theme launches right in your inbox.

You may unsubscribe at any moment. For that purpose, please find our contact info in the legal notice.

Payment Method   Payment Method   Payment Method   Payment Method 

ADDRESS