The GRACO 257639 is a seal kit designed for use in GRACO spray foam and spray application equipment. It is constructed from nitrile material and is intended to provide reliable sealing for 20-liter (5-gallon) single-component systems, ensuring optimal performance and reducing maintenance downtime.

Key Features:

• Seal Kit
• 20L (5-gallon), Single
• Nitrile
• Designed for GRACO spray foam and spray application equipment
• Includes spacer, main wiper, PE support wiper, bottom platen plate, and O-ring packing
• Facilitates easy maintenance and quick replacement
• Reduces repair costs and extends equipment life
• Helps prevent seal contamination and allows recirculation

Applications:
Used in spray foam insulation and spray application systems for sealing and maintaining the integrity of 20L single-component equipment.

Installation Notes:

• Using genuine GRACO seal kits ensures proper fit, performance, and longevity of the equipment, reducing the risk of leaks and premature wear.
• Follow the equipment manual for step-by-step installation instructions
• Ensure all old seals and components are removed before installing the new kit
• Inspect all parts for damage or wear before installation
• Use appropriate tools and safety equipment during installation
• Regularly check seals for wear and replace as needed to maintain optimal performance